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max-snippet:-1, max-image-preview:large, max-video-preview:-1\" />\n<link rel=\"canonical\" href=\"https://www.greenmatch.co.uk/insulation/walls/cavity/cost\" class=\"yoast-seo-meta-tag\" />\n<meta property=\"og:locale\" content=\"en_GB\" class=\"yoast-seo-meta-tag\" />\n<meta property=\"og:type\" content=\"article\" class=\"yoast-seo-meta-tag\" />\n<meta property=\"og:title\" content=\"Cavity Wall Insulation Cost: Guide for 2024\" class=\"yoast-seo-meta-tag\" />\n<meta property=\"og:description\" content=\"Cavity Wall Insulation Cost: Guide for 2024 Cavity wall insulation costs can sit between £1,000 &#8211; £4,600 depending on your property type and size, but can also bring you sky-high energy bill savings between £110 &#8211; £405 annually. In most cases, this means you can make the money back on your initial investment in just [&hellip;]\" class=\"yoast-seo-meta-tag\" />\n<meta property=\"og:url\" content=\"https://www.greenmatch.co.uk/insulation/walls/cavity/cost\" class=\"yoast-seo-meta-tag\" />\n<meta property=\"og:site_name\" content=\"GreenMatch.co.uk\" class=\"yoast-seo-meta-tag\" />\n<meta property=\"article:modified_time\" content=\"2024-09-26T12:13:03+00:00\" class=\"yoast-seo-meta-tag\" />\n<meta property=\"og:image\" content=\"https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-cost-hero.png\" class=\"yoast-seo-meta-tag\" />\n\t<meta property=\"og:image:width\" content=\"730\" class=\"yoast-seo-meta-tag\" />\n\t<meta property=\"og:image:height\" content=\"330\" class=\"yoast-seo-meta-tag\" />\n\t<meta property=\"og:image:type\" content=\"image/png\" class=\"yoast-seo-meta-tag\" />\n<meta name=\"twitter:card\" content=\"summary_large_image\" class=\"yoast-seo-meta-tag\" />\n<meta 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2024</h1>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"acf/macro-author-byline","attrs":{"name":"acf/macro-author-byline","mode":"preview","bindData":[]},"innerBlocks":[],"innerHTML":"","innerContent":[],"isValid":true,"theme":"greenmatch"},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/image","attrs":{"id":106492,"sizeSlug":"full","linkDestination":"none","className":"no-shadow"},"innerBlocks":[],"innerHTML":"\n<figure class=\"wp-block-image size-full no-shadow\"><img src=\"https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-cost-hero.png\" alt=\"cavity-cost-hero\" class=\"wp-image-106492\" /></figure>\n","innerContent":["\n<figure class=\"wp-block-image size-full no-shadow\"><img src=\"https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-cost-hero.png\" alt=\"cavity-cost-hero\" class=\"wp-image-106492\" /></figure>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/list","attrs":{"className":"checkmarks-colored"},"innerBlocks":[{"blockName":"core/list-item","attrs":[],"innerBlocks":[],"innerHTML":"\n<li>Nearly <strong>75%</strong> of all properties in the UK have cavity walls.</li>\n","innerContent":["\n<li>Nearly <strong>75%</strong> of all properties in the UK have cavity walls.</li>\n"]},{"blockName":"core/list-item","attrs":[],"innerBlocks":[],"innerHTML":"\n<li>A detached UK home can expect to pay up to<strong> £4,600</strong> for cavity wall insulation.</li>\n","innerContent":["\n<li>A detached UK home can expect to pay up to<strong> £4,600</strong> for cavity wall insulation.</li>\n"]},{"blockName":"core/list-item","attrs":[],"innerBlocks":[],"innerHTML":"\n<li>Cavity wall insulation in a detached UK home can save<strong> £405</strong> on annual energy bills.</li>\n","innerContent":["\n<li>Cavity wall insulation in a detached UK home can save<strong> £405</strong> on annual energy bills.</li>\n"]}],"innerHTML":"\n<ul class=\"wp-block-list checkmarks-colored\">\n\n\n\n</ul>\n","innerContent":["\n<ul class=\"wp-block-list checkmarks-colored\">",null,"\n\n",null,"\n\n",null,"</ul>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Cavity wall insulation costs can sit between <strong>£1,000 - £4,600</strong> depending on your property type and size, but can also bring you sky-high energy bill savings between <strong>£110 - £405</strong> annually. In most cases, this means you can make the money back on your initial investment in just a short<strong> 10 years!</strong></p>\n","innerContent":["\n<p>Cavity wall insulation costs can sit between <strong>£1,000 - £4,600</strong> depending on your property type and size, but can also bring you sky-high energy bill savings between <strong>£110 - £405</strong> annually. In most cases, this means you can make the money back on your initial investment in just a short<strong> 10 years!</strong></p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>But why get cavity wall insulation? According to the <em>Energy Saving Trust UK</em>, <strong>up to 33%</strong> of all heat loss experienced in a home is through uninsulated walls. This leads to staggering energy bills, an uncomfortable living environment, and a carbon footprint that makes driving a car look eco-friendly.&nbsp;</p>\n","innerContent":["\n<p>But why get cavity wall insulation? According to the <em>Energy Saving Trust UK</em>, <strong>up to 33%</strong> of all heat loss experienced in a home is through uninsulated walls. This leads to staggering energy bills, an uncomfortable living environment, and a carbon footprint that makes driving a car look eco-friendly.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>That is why proper <a href=\"https://www.greenmatch.co.uk/insulation/walls/cavity\">cavity wall insulation</a> is worth every penny. It’s a simple, non-invasive insulation process that takes no more than <strong>2 hours</strong>, saving you money, improving your living environment, and protecting the planet all with one investment. This complete guide by GreenMatch UK will delve into all the costs associated with cavity wall insulation, including cost-influencing factors, as well as the pros and cons to consider.</p>\n","innerContent":["\n<p>That is why proper <a href=\"https://www.greenmatch.co.uk/insulation/walls/cavity\">cavity wall insulation</a> is worth every penny. It’s a simple, non-invasive insulation process that takes no more than <strong>2 hours</strong>, saving you money, improving your living environment, and protecting the planet all with one investment. This complete guide by GreenMatch UK will delve into all the costs associated with cavity wall insulation, including cost-influencing factors, as well as the pros and cons to consider.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p><em>Ready to insulate your cavity walls? Look no further than GreenMatch UK for all the support you need. Through our nationwide network of accredited installers, we can deliver you up to 3 free home-tailored quotes at competitive prices. Simply spend 30 seconds filling out our online form, and let us handle the rest. Click below to begin!</em></p>\n","innerContent":["\n<p><em>Ready to insulate your cavity walls? Look no further than GreenMatch UK for all the support you need. Through our nationwide network of accredited installers, we can deliver you up to 3 free home-tailored quotes at competitive prices. Simply spend 30 seconds filling out our online form, and let us handle the rest. 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Wall Insulation Cost: Guide for 2024 #h1\r\nHow much does cavity wall insulation cost in the UK? #how\r\nCavity wall insulation cost per m2 #cavity\r\nWhat are the factors that impact the cost of cavity wall insulation? #what\r\nIs cavity wall insulation worth it for your home? #is\r\nGovernment grants to help you with cavity wall insulation costs #gov\r\nObtain multiple quotes to get the best cavity wall insulation price #obtain\r\nFAQ #FAQ","_list":"field_macro_card_list","fieldMacroTableOfContentsBackgroundColor":"","_fieldMacroTableOfContentsBackgroundColor":"field_macro_table_of_contents_background_color"},"mode":"preview","bindData":{"heading":"","list":"_Cavity Wall Insulation Cost: Guide for 2024 #h1\r\nHow much does cavity wall insulation cost in the UK? #how\r\nCavity wall insulation cost per m2 #cavity\r\nWhat are the factors that impact the cost of cavity wall insulation? #what\r\nIs cavity wall insulation worth it for your home? #is\r\nGovernment grants to help you with cavity wall insulation costs #gov\r\nObtain multiple quotes to get the best cavity wall insulation price #obtain\r\nFAQ #FAQ","backgroundColor":""}},"innerBlocks":[],"innerHTML":"","innerContent":[],"isValid":true,"theme":"greenmatch"},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":[],"innerBlocks":[],"innerHTML":"\n<h2 class=\"wp-block-heading\" id=\"how\">How much does cavity wall insulation cost in the UK?</h2>\n","innerContent":["\n<h2 class=\"wp-block-heading\" id=\"how\">How much does cavity wall insulation cost in the UK?</h2>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Like most prospective buyers, you might be wondering; how much is cavity wall insulation? On average, proper cavity wall insulation can cost anywhere from <strong>£1,000 to £4,600</strong>, depending on your property type, size, chosen insulation material, and several other factors.&nbsp;The <a href=\"https://www.greenmatch.co.uk/insulation/walls/cavity/3-bedroom\">cost of cavity insulation in a 3-bed semi</a> is approximately <strong>£2700</strong>.</p>\n","innerContent":["\n<p>Like most prospective buyers, you might be wondering; how much is cavity wall insulation? On average, proper cavity wall insulation can cost anywhere from <strong>£1,000 to £4,600</strong>, depending on your property type, size, chosen insulation material, and several other factors.&nbsp;The <a href=\"https://www.greenmatch.co.uk/insulation/walls/cavity/3-bedroom\">cost of cavity insulation in a 3-bed semi</a> is approximately <strong>£2700</strong>.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Here’s a full cost breakdown of cavity wall insulation price averages per property type:</p>\n","innerContent":["\n<p>Here’s a full cost breakdown of cavity wall insulation price averages per property type:</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/table","attrs":{"hasFixedLayout":false,"className":"table-responsive"},"innerBlocks":[],"innerHTML":"\n<figure class=\"wp-block-table table-responsive\"><table><thead><tr><th>Property type</th><th>Typical installation costs (£/year)</th></tr></thead><tbody><tr><td>Flat/Apartment</td><td>£1000</td></tr><tr><td>Mid-terrace home</td><td>£1500</td></tr><tr><td>Detached bungalow</td><td>£2100</td></tr><tr><td>Semi-detached home</td><td>£2700</td></tr><tr><td>Detached home</td><td>£4600</td></tr></tbody></table><figcaption class=\"wp-element-caption\"><em>These costs are 2024 market estimates. <a href=\"#form\">Get a local installer to QUOTE now!</a></em></figcaption></figure>\n","innerContent":["\n<figure class=\"wp-block-table table-responsive\"><table><thead><tr><th>Property type</th><th>Typical installation costs (£/year)</th></tr></thead><tbody><tr><td>Flat/Apartment</td><td>£1000</td></tr><tr><td>Mid-terrace home</td><td>£1500</td></tr><tr><td>Detached bungalow</td><td>£2100</td></tr><tr><td>Semi-detached home</td><td>£2700</td></tr><tr><td>Detached home</td><td>£4600</td></tr></tbody></table><figcaption class=\"wp-element-caption\"><em>These costs are 2024 market estimates. <a href=\"#form\">Get a local installer to QUOTE now!</a></em></figcaption></figure>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>It’s good to know that your investment can also differ greatly based on your chosen insulation material, covered later in the article. It’s best to work with a professional accredited insulation installer who can quote a home-tailored price that takes into account your circumstances.</p>\n","innerContent":["\n<p>It’s good to know that your investment can also differ greatly based on your chosen insulation material, covered later in the article. It’s best to work with a professional accredited insulation installer who can quote a home-tailored price that takes into account your circumstances.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Additional costs</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Additional costs</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/image","attrs":{"id":106493,"sizeSlug":"full","linkDestination":"none","className":"no-shadow"},"innerBlocks":[],"innerHTML":"\n<figure class=\"wp-block-image size-full no-shadow\"><img src=\"https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-additional-costs.png\" alt=\"cavity-additional-costs\" class=\"wp-image-106493\" /></figure>\n","innerContent":["\n<figure class=\"wp-block-image size-full no-shadow\"><img src=\"https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-additional-costs.png\" alt=\"cavity-additional-costs\" class=\"wp-image-106493\" /></figure>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>In addition to the average costs of cavity wall insulation, several other expenses are part of the process. While some are case-specific, others are simply expected.</p>\n","innerContent":["\n<p>In addition to the average costs of cavity wall insulation, several other expenses are part of the process. While some are case-specific, others are simply expected.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>The sections below outline some other costs you can expect in the process of cavity wall insulation, as well as why they’re relevant.</p>\n","innerContent":["\n<p>The sections below outline some other costs you can expect in the process of cavity wall insulation, as well as why they’re relevant.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Initial survey</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Initial survey</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Before beginning a cavity wall insulation project, a professional installer must conduct a property assessment to ensure your cavity walls are in proper shape. This survey can cost anywhere from <strong>£150 - £300</strong>, but most professional installers provide a <strong>free inspection</strong> if you choose their services for the installation.</p>\n","innerContent":["\n<p>Before beginning a cavity wall insulation project, a professional installer must conduct a property assessment to ensure your cavity walls are in proper shape. This survey can cost anywhere from <strong>£150 - £300</strong>, but most professional installers provide a <strong>free inspection</strong> if you choose their services for the installation.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>The initial property survey looks for any wall issues or damage, existing insulation that might need removing, wires that need relocating, and many other preparatory works to know what your home needs.&nbsp;</p>\n","innerContent":["\n<p>The initial property survey looks for any wall issues or damage, existing insulation that might need removing, wires that need relocating, and many other preparatory works to know what your home needs.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Most installers will <strong>combine</strong> this cost with the rest of the installation package, but some even have a cavity wall insulation cost calculator on their site to give you a rough estimate.</p>\n","innerContent":["\n<p>Most installers will <strong>combine</strong> this cost with the rest of the installation package, but some even have a cavity wall insulation cost calculator on their site to give you a rough estimate.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Additional repairs</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Additional repairs</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Sometimes, a property assessment might identify additional <strong>repair</strong> works needed before your cavity wall insulation. <strong>Exterior wall cracks and openings</strong> are a non-negotiable repair that must take place to ensure your cavity wall insulation works efficiently and isn't at risk of dampness.</p>\n","innerContent":["\n<p>Sometimes, a property assessment might identify additional <strong>repair</strong> works needed before your cavity wall insulation. <strong>Exterior wall cracks and openings</strong> are a non-negotiable repair that must take place to ensure your cavity wall insulation works efficiently and isn't at risk of dampness.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Another common repair is related to <strong>wall ties</strong>, which cost around <strong>£30 - £50 per square metre</strong> to repair and replace. Wall ties are an important structural support found in cavity walls that secures the two wall leaves (internal and external) at a symmetrical width. Wall ties that have loosened over time will need replacing.</p>\n","innerContent":["\n<p>Another common repair is related to <strong>wall ties</strong>, which cost around <strong>£30 - £50 per square metre</strong> to repair and replace. Wall ties are an important structural support found in cavity walls that secures the two wall leaves (internal and external) at a symmetrical width. Wall ties that have loosened over time will need replacing.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Loft insulation</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Loft insulation</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Many insulation companies will provide combined packages for wall and loft insulation. Loft insulation alone can cost around <strong>£880 - £1,200</strong> depending on your home type, but some combined packages might offer better bargains on both.</p>\n","innerContent":["\n<p>Many insulation companies will provide combined packages for wall and loft insulation. Loft insulation alone can cost around <strong>£880 - £1,200</strong> depending on your home type, but some combined packages might offer better bargains on both.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Loft insulation is important because - like walls - uninsulated lofts are responsible for <b>almost one-third</b> of heat loss experienced in a home. The combined insulation of both walls and loft can provide a massive cut to your home’s heat loss, carbon footprint, and energy bill savings.</p>\n","innerContent":["\n<p>Loft insulation is important because - like walls - uninsulated lofts are responsible for <b>almost one-third</b> of heat loss experienced in a home. The combined insulation of both walls and loft can provide a massive cut to your home’s heat loss, carbon footprint, and energy bill savings.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Removal costs</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Removal costs</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>If your home was built after the <strong>1920s</strong>, chances are that it’s a cavity wall build. Older cavity wall homes might have existing insulation in place that is outdated and needs <strong>removing</strong>, which can cost roughly around <strong>£1,600 - £2,600</strong> depending on your property size and removal complexity.&nbsp;</p>\n","innerContent":["\n<p>If your home was built after the <strong>1920s</strong>, chances are that it’s a cavity wall build. Older cavity wall homes might have existing insulation in place that is outdated and needs <strong>removing</strong>, which can cost roughly around <strong>£1,600 - £2,600</strong> depending on your property size and removal complexity.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Generally, old insulation needs to be removed if it’s too compressed, damaged by moisture, mould, or infested with vermin. Nevertheless, some insulation companies may provide a combined package that carries out a full insulation <strong>replacement</strong>.</p>\n","innerContent":["\n<p>Generally, old insulation needs to be removed if it’s too compressed, damaged by moisture, mould, or infested with vermin. Nevertheless, some insulation companies may provide a combined package that carries out a full insulation <strong>replacement</strong>.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":[],"innerBlocks":[],"innerHTML":"\n<h2 class=\"wp-block-heading\" id=\"cavity\">Cavity wall insulation cost per m2</h2>\n","innerContent":["\n<h2 class=\"wp-block-heading\" id=\"cavity\">Cavity wall insulation cost per m2</h2>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>The average cost of cavity wall insulation per m2 can range from <strong>£13 - £30</strong> considering insulation material alone. The main three materials used in cavity wall insulation are <strong>mineral</strong> <strong>fibre</strong>, <strong>polystyrene</strong> <strong>beads</strong>, or <strong>spray</strong> <strong>foam</strong>, however, several other options are just as effective and worthwhile:</p>\n","innerContent":["\n<p>The average cost of cavity wall insulation per m2 can range from <strong>£13 - £30</strong> considering insulation material alone. The main three materials used in cavity wall insulation are <strong>mineral</strong> <strong>fibre</strong>, <strong>polystyrene</strong> <strong>beads</strong>, or <strong>spray</strong> <strong>foam</strong>, however, several other options are just as effective and worthwhile:</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/list","attrs":{"className":"checkmarks-colored"},"innerBlocks":[{"blockName":"core/list-item","attrs":[],"innerBlocks":[],"innerHTML":"\n<li><strong>Mineral fibre:</strong> Costing around <strong>£13 - £18 per m2</strong>, mineral fibre is one of the most popular, budget-friendly and sustainable options for cavity wall insulation found on the market. These are loose mineral (rock) fibres that are blown into the cavity space before being sealed, ensuring protection from moisture damage.</li>\n","innerContent":["\n<li><strong>Mineral fibre:</strong> Costing around <strong>£13 - £18 per m2</strong>, mineral fibre is one of the most popular, budget-friendly and sustainable options for cavity wall insulation found on the market. These are loose mineral (rock) fibres that are blown into the cavity space before being sealed, ensuring protection from moisture damage.</li>\n"]},{"blockName":"core/list-item","attrs":[],"innerBlocks":[],"innerHTML":"\n<li><strong>Glass wool:</strong> Similar to mineral fibre, glass wool costs around <strong>£13 - £18 per m2</strong> and is just as popular to produce. Like mineral fibre, both materials are generally made from recycled materials and can also be recycled at the end of their lifespan.</li>\n","innerContent":["\n<li><strong>Glass wool:</strong> Similar to mineral fibre, glass wool costs around <strong>£13 - £18 per m2</strong> and is just as popular to produce. Like mineral fibre, both materials are generally made from recycled materials and can also be recycled at the end of their lifespan.</li>\n"]},{"blockName":"core/list-item","attrs":[],"innerBlocks":[],"innerHTML":"\n<li><strong>Wool fibre:</strong> Despite costing a heftier <strong>£25 - £30 per m2</strong>, wool insulation is one of the most sustainable, hypoallergenic, and environmentally friendly cavity wall insulation options on the market. Made from treated sheep's wool, this material is entirely recyclable and exhibits impressive heat retention properties.</li>\n","innerContent":["\n<li><strong>Wool fibre:</strong> Despite costing a heftier <strong>£25 - £30 per m2</strong>, wool insulation is one of the most sustainable, hypoallergenic, and environmentally friendly cavity wall insulation options on the market. Made from treated sheep's wool, this material is entirely recyclable and exhibits impressive heat retention properties.</li>\n"]},{"blockName":"core/list-item","attrs":[],"innerBlocks":[],"innerHTML":"\n<li><strong>Cavity wall boards:</strong> While unsuitable for older builds, newly built homes can make use of cavity wall boards - costing around <strong>£15 - £17 per m2</strong> - before sealing up their cavity walls. These rigid boards can be made from various materials - such as PIR - and are renowned for being some of the best at heat retention.&nbsp;</li>\n","innerContent":["\n<li><strong>Cavity wall boards:</strong> While unsuitable for older builds, newly built homes can make use of cavity wall boards - costing around <strong>£15 - £17 per m2</strong> - before sealing up their cavity walls. These rigid boards can be made from various materials - such as PIR - and are renowned for being some of the best at heat retention.&nbsp;</li>\n"]},{"blockName":"core/list-item","attrs":[],"innerBlocks":[],"innerHTML":"\n<li><strong>(EPS) Expanded polystyrene beads:</strong> Costing around <strong>£18 - £22 per m2</strong>, polystyrene beads have been rapidly rising in popularity as a formidable insulation choice. Being entirely moisture and mould-resistant, these beads are injected into the cavity space, where they expand to fill any gaps. Better yet, these beads are endlessly recyclable.</li>\n","innerContent":["\n<li><strong>(EPS) Expanded polystyrene beads:</strong> Costing around <strong>£18 - £22 per m2</strong>, polystyrene beads have been rapidly rising in popularity as a formidable insulation choice. Being entirely moisture and mould-resistant, these beads are injected into the cavity space, where they expand to fill any gaps. Better yet, these beads are endlessly recyclable.</li>\n"]},{"blockName":"core/list-item","attrs":[],"innerBlocks":[],"innerHTML":"\n<li><strong>Polyurethane foam:</strong> <a href=\"https://www.greenmatch.co.uk/insulation/walls/cavity/spray-foam\">Cavity wall insulation foam</a> - costing <strong>£22 - £26 per m2</strong> - is an effective insulator that is injected as a liquid into the cavity space, where it expands to create an airtight seal. Unfortunately, polyurethane is a highly toxic, unrecyclable chemical component that can release harmful VOCs and off-gases throughout its lifetime.</li>\n","innerContent":["\n<li><strong>Polyurethane foam:</strong> <a href=\"https://www.greenmatch.co.uk/insulation/walls/cavity/spray-foam\">Cavity wall insulation foam</a> - costing <strong>£22 - £26 per m2</strong> - is an effective insulator that is injected as a liquid into the cavity space, where it expands to create an airtight seal. Unfortunately, polyurethane is a highly toxic, unrecyclable chemical component that can release harmful VOCs and off-gases throughout its lifetime.</li>\n"]}],"innerHTML":"\n<ul class=\"wp-block-list checkmarks-colored\">\n\n\n\n\n\n\n\n\n\n</ul>\n","innerContent":["\n<ul class=\"wp-block-list checkmarks-colored\">",null,"\n\n",null,"\n\n",null,"\n\n",null,"\n\n",null,"\n\n",null,"</ul>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Considering <a href=\"https://www.greenmatch.co.uk/insulation/walls/cavity/best\">cavity wall insulation materials</a>, <strong>mineral fibre</strong> insulation types tend to be the cheapest cavity wall insulation on the market, <strong>polyurethane foam</strong> is often the most effective at retaining heat, whereas <strong>polystyrene beads </strong>are the best mix between affordability, effectiveness and recyclability.</p>\n","innerContent":["\n<p>Considering <a href=\"https://www.greenmatch.co.uk/insulation/walls/cavity/best\">cavity wall insulation materials</a>, <strong>mineral fibre</strong> insulation types tend to be the cheapest cavity wall insulation on the market, <strong>polyurethane foam</strong> is often the most effective at retaining heat, whereas <strong>polystyrene beads </strong>are the best mix between affordability, effectiveness and recyclability.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":[],"innerBlocks":[],"innerHTML":"\n<h2 class=\"wp-block-heading\" id=\"what\">What are the factors that impact the cost of cavity wall insulation?</h2>\n","innerContent":["\n<h2 class=\"wp-block-heading\" id=\"what\">What are the factors that impact the cost of cavity wall insulation?</h2>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/image","attrs":{"id":106494,"sizeSlug":"full","linkDestination":"none","className":"no-shadow"},"innerBlocks":[],"innerHTML":"\n<figure class=\"wp-block-image size-full no-shadow\"><img src=\"https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-wall-factors.png\" alt=\"cavity-wall-factors\" class=\"wp-image-106494\" /></figure>\n","innerContent":["\n<figure class=\"wp-block-image size-full no-shadow\"><img src=\"https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-wall-factors.png\" alt=\"cavity-wall-factors\" class=\"wp-image-106494\" /></figure>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Several factors can influence the cost of a cavity wall insulation job. These tend to be matters such as your home type, size, chosen insulation material, and any other personal circumstances that an installer should consider with your home.</p>\n","innerContent":["\n<p>Several factors can influence the cost of a cavity wall insulation job. These tend to be matters such as your home type, size, chosen insulation material, and any other personal circumstances that an installer should consider with your home.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Type of wall</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Type of wall</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>To accommodate cavity wall insulation, your cavity walls need to be in <strong>good condition</strong>, with any damage, openings or faulty brickwork solved before conducting a job. The cavity space in between the wall leaves must also be <strong>at least 50mm wide</strong> or more.&nbsp;</p>\n","innerContent":["\n<p>To accommodate cavity wall insulation, your cavity walls need to be in <strong>good condition</strong>, with any damage, openings or faulty brickwork solved before conducting a job. The cavity space in between the wall leaves must also be <strong>at least 50mm wide</strong> or more.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>In standard industry practice, most cavity wall properties will have a cavity width of <strong>100mm - 150 mm</strong>. Depending on the cavity space width, your material costs may be higher or lower.</p>\n","innerContent":["\n<p>In standard industry practice, most cavity wall properties will have a cavity width of <strong>100mm - 150 mm</strong>. Depending on the cavity space width, your material costs may be higher or lower.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>A professional installer can conduct a property assessment to ensure your property meets the right conditions for the job or can guide you to what needs to be done first.</p>\n","innerContent":["\n<p>A professional installer can conduct a property assessment to ensure your property meets the right conditions for the job or can guide you to what needs to be done first.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Insulation material</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Insulation material</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>With the wide range of insulation materials available on the market, your choice of material will inevitably impact your final investment cost. As a general rule of thumb, materials that cost more are likely more effective at retaining heat, however, some sustainable options like <strong>sheep wool </strong>are worth the extra cost due to its added environmental friendliness.&nbsp;</p>\n","innerContent":["\n<p>With the wide range of insulation materials available on the market, your choice of material will inevitably impact your final investment cost. As a general rule of thumb, materials that cost more are likely more effective at retaining heat, however, some sustainable options like <strong>sheep wool </strong>are worth the extra cost due to its added environmental friendliness.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>On the cheaper end of the spectrum, options like<strong> mineral fibre</strong> are far more budget-friendly but are not as effective at retaining heat when compared to materials like <strong>polystyrene beads</strong>.</p>\n","innerContent":["\n<p>On the cheaper end of the spectrum, options like<strong> mineral fibre</strong> are far more budget-friendly but are not as effective at retaining heat when compared to materials like <strong>polystyrene beads</strong>.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Property size and wall area</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Property size and wall area</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Your home type and size will also somewhat dictate your overall costs. Simply put, the more wall area you have, the more you will need to pay. However, installation complexity can play a role here too. Homes with simpler wall layouts may require simpler labour as opposed to complex floor plans.&nbsp;</p>\n","innerContent":["\n<p>Your home type and size will also somewhat dictate your overall costs. Simply put, the more wall area you have, the more you will need to pay. However, installation complexity can play a role here too. Homes with simpler wall layouts may require simpler labour as opposed to complex floor plans.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>This also means that some homes may need <strong>scaffolding</strong> in place, especially if they have home extensions such as orangeries or conservatories. Unfortunately, most cavity wall insulation companies do not account for coverage of scaffolding, which can cost somewhere around an extra <strong>£300ormore</strong> to hire.</p>\n","innerContent":["\n<p>This also means that some homes may need <strong>scaffolding</strong> in place, especially if they have home extensions such as orangeries or conservatories. Unfortunately, most cavity wall insulation companies do not account for coverage of scaffolding, which can cost somewhere around an extra <strong>£300ormore</strong> to hire.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":[],"innerBlocks":[],"innerHTML":"\n<h2 class=\"wp-block-heading\" id=\"is\">Is cavity wall insulation worth it for your home?</h2>\n","innerContent":["\n<h2 class=\"wp-block-heading\" id=\"is\">Is cavity wall insulation worth it for your home?</h2>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/image","attrs":{"id":106495,"sizeSlug":"full","linkDestination":"none","className":"no-shadow"},"innerBlocks":[],"innerHTML":"\n<figure class=\"wp-block-image size-full no-shadow\"><img src=\"https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-insulation-pros.png\" alt=\"cavity-insulation-pros\" class=\"wp-image-106495\" /></figure>\n","innerContent":["\n<figure class=\"wp-block-image size-full no-shadow\"><img src=\"https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-insulation-pros.png\" alt=\"cavity-insulation-pros\" class=\"wp-image-106495\" /></figure>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Cavity wall insulation is one of the most effective and rewarding home upgrades anyone could implement. What might seem like a hefty initial cost, is <strong>worth every penny</strong> through the wealth of advantages, including financial savings, a well-maintained home environment, and a greener planet.&nbsp;</p>\n","innerContent":["\n<p>Cavity wall insulation is one of the most effective and rewarding home upgrades anyone could implement. What might seem like a hefty initial cost, is <strong>worth every penny</strong> through the wealth of advantages, including financial savings, a well-maintained home environment, and a greener planet.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>With all things considered, cavity wall insulation is an all-round home insulation essential that will save you money, improve your home environment, and benefit the environment, all with just one investment!</p>\n","innerContent":["\n<p>With all things considered, cavity wall insulation is an all-round home insulation essential that will save you money, improve your home environment, and benefit the environment, all with just one investment!</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Lower energy bills</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Lower energy bills</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Homes with poor insulation end up with a heating system that overworks to compensate for lost heat. This racks up sky-high energy bills for your property.&nbsp;</p>\n","innerContent":["\n<p>Homes with poor insulation end up with a heating system that overworks to compensate for lost heat. This racks up sky-high energy bills for your property.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Proper wall insulation can cut your heat loss by<strong> up to 33%</strong>, saving <strong>up to £405 </strong>in annual energy bill savings for a detached UK home. Additionally, cavity wall insulation is very cost-effective in terms of payback time on your investment, on average taking <strong>just 10 years </strong>to pay itself off</p>\n","innerContent":["\n<p>Proper wall insulation can cut your heat loss by<strong> up to 33%</strong>, saving <strong>up to £405 </strong>in annual energy bill savings for a detached UK home. Additionally, cavity wall insulation is very cost-effective in terms of payback time on your investment, on average taking <strong>just 10 years </strong>to pay itself off</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Here’s a full breakdown of expected savings with cavity wall insulation per home type:</p>\n","innerContent":["\n<p>Here’s a full breakdown of expected savings with cavity wall insulation per home type:</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/table","attrs":{"hasFixedLayout":false,"className":"table-responsive"},"innerBlocks":[],"innerHTML":"\n<figure class=\"wp-block-table table-responsive\"><table><thead><tr><th><strong>Property type</strong></th><th><strong>Energy bill savings (£/year)</strong></th><th><strong>Average payback period</strong></th></tr></thead><tbody><tr><td>Flat/Apartment</td><td>£110</td><td>10 years</td></tr><tr><td>Mid-terrace home</td><td>£140</td><td>10.5 years</td></tr><tr><td>Detached bungalow</td><td>£175</td><td>12 years</td></tr><tr><td>Semi-detached home</td><td>£235</td><td>11.5 years</td></tr><tr><td>Detached home</td><td>£405</td><td>11.5 years</td></tr></tbody></table><figcaption class=\"wp-element-caption\"><em>These savings are 2024 market estimates. <a href=\"#quote\">Get a local installer to QUOTE now!</a></em></figcaption></figure>\n","innerContent":["\n<figure class=\"wp-block-table table-responsive\"><table><thead><tr><th><strong>Property type</strong></th><th><strong>Energy bill savings (£/year)</strong></th><th><strong>Average payback period</strong></th></tr></thead><tbody><tr><td>Flat/Apartment</td><td>£110</td><td>10 years</td></tr><tr><td>Mid-terrace home</td><td>£140</td><td>10.5 years</td></tr><tr><td>Detached bungalow</td><td>£175</td><td>12 years</td></tr><tr><td>Semi-detached home</td><td>£235</td><td>11.5 years</td></tr><tr><td>Detached home</td><td>£405</td><td>11.5 years</td></tr></tbody></table><figcaption class=\"wp-element-caption\"><em>These savings are 2024 market estimates. <a href=\"#quote\">Get a local installer to QUOTE now!</a></em></figcaption></figure>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Better health and a more comfortable home</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Better health and a more comfortable home</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Uninsulated homes are a breeding ground for <strong>mould</strong> and <strong>rot</strong>, due to damp and drafty inner environments. Not only is this bad for your home's structural integrity, but can also harm your health through respiratory illnesses such as asthma.&nbsp;</p>\n","innerContent":["\n<p>Uninsulated homes are a breeding ground for <strong>mould</strong> and <strong>rot</strong>, due to damp and drafty inner environments. Not only is this bad for your home's structural integrity, but can also harm your health through respiratory illnesses such as asthma.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Insulating your cavity walls also helps your home<strong> retain heat </strong>better, resulting in warmer, more comfortable winters and cooler summers.</p>\n","innerContent":["\n<p>Insulating your cavity walls also helps your home<strong> retain heat </strong>better, resulting in warmer, more comfortable winters and cooler summers.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"acf/macro-fact-box","attrs":{"name":"acf/macro-fact-box","data":{"heading":"Tip","_heading":"field_macro_fact_box_heading","content":"<span style=\"font-weight: 400\">Older homes may have outdated forms of insulation. An example is </span><b>formaldehyde</b> <b>foam</b> <b>insulation</b><span style=\"font-weight: 400\">, a spray foam that was very popular for insulation purposes in the 70s and 80s. </span>\r\n\r\n<span style=\"font-weight: 400\">Similar to polyurethane, formaldehyde is a </span><b>carcinogen</b><span style=\"font-weight: 400\"> and releases toxic gases that irritate the respiratory system, causing migraines and potential illness. Additionally, formaldehyde is highly flammable and completely un-recyclable. </span>\r\n\r\n<span style=\"font-weight: 400\">Old insulation will need to be removed by a professional installer before new cavity wall insulation can be added.</span>","_content":"field_macro_fact_box_content","type":"fact","_type":"field_macro_fact_box_type","fieldMacroFactBoxBackgroundColor":"","_fieldMacroFactBoxBackgroundColor":"field_macro_fact_box_background_color","fieldMacroFactBoxShadowColor":"","_fieldMacroFactBoxShadowColor":"field_macro_fact_box_shadow_color"},"mode":"preview","bindData":{"heading":"Tip","content":"<p><span style=\"font-weight: 400\">Older homes may have outdated forms of insulation. An example is </span><b>formaldehyde</b> <b>foam</b> <b>insulation</b><span style=\"font-weight: 400\">, a spray foam that was very popular for insulation purposes in the 70s and 80s. </span></p>\n<p><span style=\"font-weight: 400\">Similar to polyurethane, formaldehyde is a </span><b>carcinogen</b><span style=\"font-weight: 400\"> and releases toxic gases that irritate the respiratory system, causing migraines and potential illness. Additionally, formaldehyde is highly flammable and completely un-recyclable. </span></p>\n<p><span style=\"font-weight: 400\">Old insulation will need to be removed by a professional installer before new cavity wall insulation can be added.</span></p>\n","type":"fact","backgroundColor":"","shadowColor":""}},"innerBlocks":[],"innerHTML":"","innerContent":[],"isValid":true,"theme":"greenmatch"},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Lower CO2 emissions</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Lower CO2 emissions</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>The UK housing stock is some of the least energy-efficient in all of Europe. According to the <em>NHBC Foundation</em>, UK housing is responsible for <strong>30%</strong> of primary energy use, and<strong> 27% </strong>of the total carbon emissions in the country.&nbsp;</p>\n","innerContent":["\n<p>The UK housing stock is some of the least energy-efficient in all of Europe. According to the <em>NHBC Foundation</em>, UK housing is responsible for <strong>30%</strong> of primary energy use, and<strong> 27% </strong>of the total carbon emissions in the country.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Cavity wall insulation can significantly reduce this heat loss, leading to an impressive <strong>1.1 tonnes</strong> of annual CO2 reductions in detached homes.</p>\n","innerContent":["\n<p>Cavity wall insulation can significantly reduce this heat loss, leading to an impressive <strong>1.1 tonnes</strong> of annual CO2 reductions in detached homes.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Cavity wall insulation lasts long</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Cavity wall insulation lasts long</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Assuming a proper insulation job was carried out, cavity wall insulation can effectively last <strong>up to a century</strong>. That means after the first 10 years or so of paying off your investment, you can enjoy several decades of major savings before even considering a new insulation job.&nbsp;</p>\n","innerContent":["\n<p>Assuming a proper insulation job was carried out, cavity wall insulation can effectively last <strong>up to a century</strong>. That means after the first 10 years or so of paying off your investment, you can enjoy several decades of major savings before even considering a new insulation job.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Regardless, it's recommended to conduct a wall inspection during this time to proactively solve any damage to your home's exterior walls, helping to prolong the lifespan of your insulation. To learn more about <a href=\"https://www.greenmatch.co.uk/insulation/walls/cavity/how-long-does-it-last\">how long does cavity wall insulation last</a> and how to maintain it, you can read the article linked.</p>\n","innerContent":["\n<p>Regardless, it's recommended to conduct a wall inspection during this time to proactively solve any damage to your home's exterior walls, helping to prolong the lifespan of your insulation. To learn more about <a href=\"https://www.greenmatch.co.uk/insulation/walls/cavity/how-long-does-it-last\">how long does cavity wall insulation last</a> and how to maintain it, you can read the article linked.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Provides some sound insulation</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Provides some sound insulation</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>When compared to a cavity wall with an empty uninsulated cavity space, proper insulation will definitely help <strong>reduce noise pollution</strong>, however, heat insulation is not necessarily renowned for soundproofing qualities.&nbsp;</p>\n","innerContent":["\n<p>When compared to a cavity wall with an empty uninsulated cavity space, proper insulation will definitely help <strong>reduce noise pollution</strong>, however, heat insulation is not necessarily renowned for soundproofing qualities.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Some insulation materials, such as mineral fibre or spray foam are better at soundproofing than others, but for proper soundproofing of your home, there are other more effective measures to consider.&nbsp;</p>\n","innerContent":["\n<p>Some insulation materials, such as mineral fibre or spray foam are better at soundproofing than others, but for proper soundproofing of your home, there are other more effective measures to consider.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":{"level":3},"innerBlocks":[],"innerHTML":"\n<h3 class=\"wp-block-heading\">Increases property value</h3>\n","innerContent":["\n<h3 class=\"wp-block-heading\">Increases property value</h3>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Homes that are properly insulated also have a<strong> higher EPC rating</strong>. An <em>Energy Performance Certificate (EPC)</em> rating tells you about your home's energy efficiency. Homes are scored on a scale of <strong>A</strong> (most efficient) to <strong>G</strong> (least efficient).&nbsp;</p>\n","innerContent":["\n<p>Homes that are properly insulated also have a<strong> higher EPC rating</strong>. An <em>Energy Performance Certificate (EPC)</em> rating tells you about your home's energy efficiency. Homes are scored on a scale of <strong>A</strong> (most efficient) to <strong>G</strong> (least efficient).&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Should you ever plan to rent or sell, properties with higher EPC scores are valued much better on the housing market due to their better energy efficiency.</p>\n","innerContent":["\n<p>Should you ever plan to rent or sell, properties with higher EPC scores are valued much better on the housing market due to their better energy efficiency.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":[],"innerBlocks":[],"innerHTML":"\n<h2 class=\"wp-block-heading\" id=\"gov\">Government grants to help you with cavity wall insulation costs</h2>\n","innerContent":["\n<h2 class=\"wp-block-heading\" id=\"gov\">Government grants to help you with cavity wall insulation costs</h2>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>If the costs of cavity wall insulation seem daunting to you, luckily the UK government has rolled out <strong>two key <a href=\"https://www.greenmatch.co.uk/insulation/grants\">insulation grant</a> schemes</strong> to help low-income and fuel-poor households with free insulation or partial cost coverage.&nbsp;</p>\n","innerContent":["\n<p>If the costs of cavity wall insulation seem daunting to you, luckily the UK government has rolled out <strong>two key <a href=\"https://www.greenmatch.co.uk/insulation/grants\">insulation grant</a> schemes</strong> to help low-income and fuel-poor households with free insulation or partial cost coverage.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>These are the <strong><a href=\"https://www.greenmatch.co.uk/insulation/grants/great-british-insulation-scheme\">Great British Insulation Scheme</a> (GBIS)</strong> and the <strong>Energy Company Obligation (ECO4)</strong>. Both schemes have similar eligibility criteria and are active until March 2026. Nevertheless, it’s best to apply earlier to maximise your chances of benefiting from a grant.</p>\n","innerContent":["\n<p>These are the <strong><a href=\"https://www.greenmatch.co.uk/insulation/grants/great-british-insulation-scheme\">Great British Insulation Scheme</a> (GBIS)</strong> and the <strong>Energy Company Obligation (ECO4)</strong>. Both schemes have similar eligibility criteria and are active until March 2026. Nevertheless, it’s best to apply earlier to maximise your chances of benefiting from a grant.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Additionally, many <strong>UK energy suppliers </strong>can give out grants and provide coverage of cavity wall insulation through themselves. Some examples are British Gas, EDF Energy, E.ON, Npower, SSE, Scottish Power and others.</p>\n","innerContent":["\n<p>Additionally, many <strong>UK energy suppliers </strong>can give out grants and provide coverage of cavity wall insulation through themselves. Some examples are British Gas, EDF Energy, E.ON, Npower, SSE, Scottish Power and others.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/heading","attrs":[],"innerBlocks":[],"innerHTML":"\n<h2 class=\"wp-block-heading\" id=\"obtain\">Obtain multiple quotes to get the best cavity wall insulation price</h2>\n","innerContent":["\n<h2 class=\"wp-block-heading\" id=\"obtain\">Obtain multiple quotes to get the best cavity wall insulation price</h2>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>Choosing to insulate your cavity walls is just the beginning of the journey. The next step is to make sure you work with a <strong>professional installer</strong> who ensures the job is done correctly. By looking at multiple cavity wall insulation quote prices, you can find your best fit.&nbsp;</p>\n","innerContent":["\n<p>Choosing to insulate your cavity walls is just the beginning of the journey. The next step is to make sure you work with a <strong>professional installer</strong> who ensures the job is done correctly. By looking at multiple cavity wall insulation quote prices, you can find your best fit.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>A good way to do this is to look for <strong>PAS 2030-2035 certified</strong> installers. The <em>Publicly Available Specifications (PAS)</em> are a series of installer guidelines by the UK government that ensure insulation jobs are carried out to the highest standard. Another key certification is the <strong>Cavity Insulation Guarantee Agency (CIGA)</strong>, which ensures that your cavity wall insulation job is guaranteed for up to <strong>25 years</strong>. This way, you can ensure to get the best value for your money.&nbsp;</p>\n","innerContent":["\n<p>A good way to do this is to look for <strong>PAS 2030-2035 certified</strong> installers. The <em>Publicly Available Specifications (PAS)</em> are a series of installer guidelines by the UK government that ensure insulation jobs are carried out to the highest standard. Another key certification is the <strong>Cavity Insulation Guarantee Agency (CIGA)</strong>, which ensures that your cavity wall insulation job is guaranteed for up to <strong>25 years</strong>. This way, you can ensure to get the best value for your money.&nbsp;</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p>However, don’t just jump at the first offer you get! You might miss out on great cavity wall insulation prices by not researching and vetting installer options enough. Granted, this process can be very tedious and take endless hours of website surfing and phone call arranging, but that’s where GreenMatch UK can be your saving grace.</p>\n","innerContent":["\n<p>However, don’t just jump at the first offer you get! You might miss out on great cavity wall insulation prices by not researching and vetting installer options enough. Granted, this process can be very tedious and take endless hours of website surfing and phone call arranging, but that’s where GreenMatch UK can be your saving grace.</p>\n"]},{"blockName":null,"attrs":[],"innerBlocks":[],"innerHTML":"\n\n","innerContent":["\n\n"]},{"blockName":"core/paragraph","attrs":[],"innerBlocks":[],"innerHTML":"\n<p><em>By simply filling out our 30-second online form, we can connect you with up to 3 free home-tailored insulation quotes from our nationwide network of trustworthy installers. That way, you can save time and money, sit back, and let the bargains come to you. The best part? Our services are completely cost and obligation-free. Click below to begin!</em></p>\n","innerContent":["\n<p><em>By simply filling out our 30-second online form, we can connect you with up to 3 free home-tailored insulation quotes from our nationwide network of trustworthy installers. That way, you can save time and money, sit back, and let the bargains come to you. The best part? Our services are completely cost and obligation-free. Click below to 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With a keen interest in community sustainability, green solutions and the role of digital media in identifying climate trends, he aims to hone in on his background in International Studies and Digital Media to provide a multidisciplinary approach to written content rooted in credible research and accuracy.</p>\n","jobTitle":"Writer","email":"a.aliyev@leads.io","linkedIn":"https://www.linkedin.com/in/akif-a-b1a399157/","type":"contributor"}],"relatedArticles":[],"subPages":[],"topPages":[],"hideMoreOnThisTopic":false,"hideItsThatEasy":false,"hideBecomeAPartner":false,"hideContentHeader":false,"CroProgessBar":false,"postTypes":[],"showSideBarCta":true},"url":"/insulation/walls/cavity/cost","version":"6000765b410876f9b5e9b7a999dcb2ac"}"><header class="relative mb-10 background-header-image" style="--background-image:url('');" data-v-a8298db3><section id="top-header" data-v-a8298db3></section><section class="bg-gradient-to-r from-black/10 to-black/25" data-v-a8298db3><div class="hidden 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data-v-2d5d288a>Enjoy sky high savings with complete home insulation today!</div></div><div class="header-quote__inner" data-v-2d5d288a><div class="header-quote__quote-container" data-v-2d5d288a><div class="cro-form" data-v-2d5d288a data-v-37cfe7b1><div class="cro-form__header" data-v-37cfe7b1><h3 class="cro-form__header-cta" data-v-37cfe7b1> Answer these simple questions and we will find you the BEST prices </h3></div><p class="cro-form__question" data-v-37cfe7b1> Which type of solar quotes do you need? </p><div class="cro-form__answers" data-v-37cfe7b1><a class="cro-form__button" data-v-37cfe7b1><span class="cro-form__button-text" data-v-37cfe7b1>SOLAR PANELS + BATTERY</span></a><a class="cro-form__button" data-v-37cfe7b1><span class="cro-form__button-text" data-v-37cfe7b1>SOLAR PANELS</span></a><a class="cro-form__button" data-v-37cfe7b1><span class="cro-form__button-text" data-v-37cfe7b1>SOLAR BATTERY</span></a></div><div class="cro-form__progress" data-v-37cfe7b1><div 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data-v-3c81030a><li class="content-header__breadcrumbs-partial" data-v-3c81030a><a class="content-header__breadcrumbs-link" href="https://www.greenmatch.co.uk/" data-v-3c81030a>GreenMatch</a></li><li class="content-header__breadcrumbs-partial" data-v-3c81030a><a class="content-header__breadcrumbs-link" href="https://www.greenmatch.co.uk/insulation" data-v-3c81030a>Insulation</a></li><li class="content-header__breadcrumbs-partial" data-v-3c81030a><a class="content-header__breadcrumbs-link" href="https://www.greenmatch.co.uk/insulation/walls" data-v-3c81030a>Wall Insulation</a></li><li class="content-header__breadcrumbs-partial" data-v-3c81030a><a class="content-header__breadcrumbs-link" href="https://www.greenmatch.co.uk/insulation/walls/cavity" data-v-3c81030a>Cavity Wall Insulation</a></li><li class="content-header__breadcrumbs-partial" data-v-3c81030a><span class="content-header__breadcrumbs-text" data-v-3c81030a>Cavity Wall Insulation Costs</span></li></ul></div><div class="content-header__info" data-v-3c81030a><div class="content-header__text" data-headlessui-state><div class="content-header__text-button" id="headlessui-popover-button-v-0-85" aria-expanded="false" data-headlessui-state> Text size </div></div><div hidden style="position:fixed;top:1;left:1;width:1;height:0;padding:0;margin:-1;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;display:none;"></div><div class="content-header__last-updated" data-v-3c81030a>Last updated: 26 September 2024</div></div></section></div><div class="flex flex-col md:flex-row mb-8"><div class="md:w-2/3 md:mr-4 mb-8 space-y-4"><div class="w-full"><div class="body-content"><div class="wordpress-heading u-heading-1 wordpress-heading--h1" style="--c37e9152:left;" data-v-beed8f72> <h1 class="wp-block-heading">Cavity Wall Insulation Cost: Guide for 2024</h1> </div><section class="author-byline-container" data-v-bcf82446><div class="author-byline" data-v-bcf82446><div class="author-byline__inner" data-v-bcf82446><div class="author-byline__item" data-v-bcf82446><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/07/Author-Images_Akif_GM_Line.png" alt="Akif Aliyev" class="author-byline__item-image" data-v-bcf82446><div class="author-byline__item-content" data-v-bcf82446><div class="author-byline__item-title" data-v-bcf82446><span data-v-bcf82446>Written by</span></div><span data-v-bcf82446>Akif Aliyev</span></div></div><div class="author-byline__item" data-v-bcf82446><div class="author-byline__item-content" data-v-bcf82446><div class="author-byline__item-title" data-v-bcf82446><svg class="author-byline__item-title-icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 -960 960 960" data-v-bcf82446><path d="M200-80q-33 0-56.5-23.5T120-160v-560q0-33 23.5-56.5T200-800h40v-80h80v80h320v-80h80v80h40q33 0 56.5 23.5T840-720v560q0 33-23.5 56.5T760-80H200Zm0-80h560v-400H200v400Zm0-480h560v-80H200v80Zm0 0v-80 80Zm280 240q-17 0-28.5-11.5T440-440q0-17 11.5-28.5T480-480q17 0 28.5 11.5T520-440q0 17-11.5 28.5T480-400Zm-160 0q-17 0-28.5-11.5T280-440q0-17 11.5-28.5T320-480q17 0 28.5 11.5T360-440q0 17-11.5 28.5T320-400Zm320 0q-17 0-28.5-11.5T600-440q0-17 11.5-28.5T640-480q17 0 28.5 11.5T680-440q0 17-11.5 28.5T640-400ZM480-240q-17 0-28.5-11.5T440-280q0-17 11.5-28.5T480-320q17 0 28.5 11.5T520-280q0 17-11.5 28.5T480-240Zm-160 0q-17 0-28.5-11.5T280-280q0-17 11.5-28.5T320-320q17 0 28.5 11.5T360-280q0 17-11.5 28.5T320-240Zm320 0q-17 0-28.5-11.5T600-280q0-17 11.5-28.5T640-320q17 0 28.5 11.5T680-280q0 17-11.5 28.5T640-240Z" data-v-bcf82446></path></svg><span data-v-bcf82446>Last updated</span></div><span data-v-bcf82446>26 September 2024</span></div></div></div></div></section><div class="wordpress-image"> <figure class="wp-block-image size-full no-shadow"><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-cost-hero.png" alt="cavity-cost-hero" class="wp-image-106492" /></figure> </div><div class="wordpress-list" style="--59fc38e0:;" data-v-9bc93961><ul class="wordpress-list__wrapper checkmarks-colored" data-v-9bc93961> <li>Nearly <strong>75%</strong> of all properties in the UK have cavity walls.</li> <li>A detached UK home can expect to pay up to<strong> £4,600</strong> for cavity wall insulation.</li> <li>Cavity wall insulation in a detached UK home can save<strong> £405</strong> on annual energy bills.</li> </ul></div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Cavity wall insulation costs can sit between <strong>£1,000 - £4,600</strong> depending on your property type and size, but can also bring you sky-high energy bill savings between <strong>£110 - £405</strong> annually. In most cases, this means you can make the money back on your initial investment in just a short<strong> 10 years!</strong></p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>But why get cavity wall insulation? According to the <em>Energy Saving Trust UK</em>, <strong>up to 33%</strong> of all heat loss experienced in a home is through uninsulated walls. This leads to staggering energy bills, an uncomfortable living environment, and a carbon footprint that makes driving a car look eco-friendly. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>That is why proper <a href="https://www.greenmatch.co.uk/insulation/walls/cavity">cavity wall insulation</a> is worth every penny. It’s a simple, non-invasive insulation process that takes no more than <strong>2 hours</strong>, saving you money, improving your living environment, and protecting the planet all with one investment. This complete guide by GreenMatch UK will delve into all the costs associated with cavity wall insulation, including cost-influencing factors, as well as the pros and cons to consider.</p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p><em>Ready to insulate your cavity walls? Look no further than GreenMatch UK for all the support you need. Through our nationwide network of accredited installers, we can deliver you up to 3 free home-tailored quotes at competitive prices. Simply spend 30 seconds filling out our online form, and let us handle the rest. Click below to begin!</em></p> </div><div class="cta-block" style="background-image:linear-gradient(to right, #deeefa, #deeefa);--1554cd56:#000;--4f2215c8:#c3e0f3;--147220ca:rgb(68 68 68);--7b28d34a:rgb(255, 111, 0);--09347c9a:#ffffff;--3bc782e2:rgb(148, 148, 148);--67e53659:#deeefa;--e9b1b55c:#deeefa;--5c587492:#3daee2;--454f35ba:#535456;--20c6ad50:#000;--10fda644:#c3e0f3;--e8a5e7c6:rgb(68 68 68);--143b308c:rgb(255, 111, 0);--33169ddc:#ffffff;--947f57de:rgb(148, 148, 148);--388c8c7a:#5f6265;--224b6ae2:#fff;--90c71118:rgb(var(--base-400));--4c846620:rgb(var(--base-200));--70bbd5b2:rgb(var(--base-200));" data-v-94877ae5><div class="cta-block__header" data-v-94877ae5><div class="cta-block__title" style="color: #3daee2" data-v-94877ae5>Get your best deal</div><div class="cta-block__sub-title" style="color: #535456" data-v-94877ae5>Quickly compare FREE quotes</div></div><div class="cta-block__content-container" data-v-94877ae5><div class="cta-block__usp-container" data-v-94877ae5><div class="cta-block__usps" data-v-94877ae5><ul> <li>Describe your needs</li> <li>Get free quotes</li> <li>Choose the best offer</li> </ul> </div><div class="cta-button cta-button--background" data-v-94877ae5 style="" data-v-ed61c7a3><div class="buttons-orange" data-v-ed61c7a3><div class="link">GET QUOTES NOW</div></div><p class="cta-button__description--text-color cta-button__description" data-v-ed61c7a3><svg xmlns="http://www.w3.org/2000/svg" class="cta-button__icon" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" data-v-ed61c7a3><path stroke-linecap="round" stroke-linejoin="round" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" data-v-ed61c7a3></path></svg> It only takes 30 seconds</p></div><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2023/03/person.png" alt="" width="124" height="277" loading="lazy" data-v-94877ae5></div><div class="cta-block__optimize-home-container" data-v-94877ae5><div class="cta-block__optimize-image-container" data-v-94877ae5><div class="cta-block__optimize-image" data-v-94877ae5><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2023/03/earth-globe-square.svg" alt="Earth globe icon" loading="lazy" data-v-94877ae5></div></div><div class="cta-block__optimize-text" data-v-94877ae5>Optimise your home and save the planet</div></div><div data-v-94877ae5><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2023/03/earth-globe-square.svg" alt="Earth globe icon" loading="lazy" data-v-94877ae5></div></div><div class="cta-block__bottom" style="background-color: #fff" data-v-94877ae5><div class="cta-block__bottom-container" data-v-94877ae5><div class="cta-block__bottom-title-container" style="color: #5f6265" data-v-94877ae5></div></div></div></div><div class="table-of-contents table-of-contents--background" style="--669e3452:;"><div class="table-of-contents__heading">Learn More in Our Guide</div><ul class="table-of-contents__list"><li class="table-of-contents__item"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="table-of-contents__icon"><path fill-rule="evenodd" d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z" clip-rule="evenodd"></path></svg><a href="#how" class="table-of-contents__link">How much does cavity wall insulation cost in the UK?</a></li><li class="table-of-contents__item"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="table-of-contents__icon"><path fill-rule="evenodd" d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z" clip-rule="evenodd"></path></svg><a href="#cavity" class="table-of-contents__link">Cavity wall insulation cost per m2</a></li><li class="table-of-contents__item"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="table-of-contents__icon"><path fill-rule="evenodd" d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z" clip-rule="evenodd"></path></svg><a href="#what" class="table-of-contents__link">What are the factors that impact the cost of cavity wall insulation?</a></li><li class="table-of-contents__item"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="table-of-contents__icon"><path fill-rule="evenodd" d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z" clip-rule="evenodd"></path></svg><a href="#is" class="table-of-contents__link">Is cavity wall insulation worth it for your home?</a></li><li class="table-of-contents__item"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="table-of-contents__icon"><path fill-rule="evenodd" d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z" clip-rule="evenodd"></path></svg><a href="#gov" class="table-of-contents__link">Government grants to help you with cavity wall insulation costs</a></li><li class="table-of-contents__item"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="table-of-contents__icon"><path fill-rule="evenodd" d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z" clip-rule="evenodd"></path></svg><a href="#obtain" class="table-of-contents__link">Obtain multiple quotes to get the best cavity wall insulation price</a></li><li class="table-of-contents__item"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="table-of-contents__icon"><path fill-rule="evenodd" d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z" clip-rule="evenodd"></path></svg><a href="#FAQ" class="table-of-contents__link">FAQ</a></li></ul></div><div class="wordpress-heading u-heading-2 wordpress-heading--h2" style="--c37e9152:left;" data-v-beed8f72> <h2 class="wp-block-heading" id="how">How much does cavity wall insulation cost in the UK?</h2> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Like most prospective buyers, you might be wondering; how much is cavity wall insulation? On average, proper cavity wall insulation can cost anywhere from <strong>£1,000 to £4,600</strong>, depending on your property type, size, chosen insulation material, and several other factors. The <a href="https://www.greenmatch.co.uk/insulation/walls/cavity/3-bedroom">cost of cavity insulation in a 3-bed semi</a> is approximately <strong>£2700</strong>.</p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Here’s a full cost breakdown of cavity wall insulation price averages per property type:</p> </div><div class="wordpress-table"> <figure class="wp-block-table table-responsive"><table><thead><tr><th>Property type</th><th>Typical installation costs (£/year)</th></tr></thead><tbody><tr><td>Flat/Apartment</td><td>£1000</td></tr><tr><td>Mid-terrace home</td><td>£1500</td></tr><tr><td>Detached bungalow</td><td>£2100</td></tr><tr><td>Semi-detached home</td><td>£2700</td></tr><tr><td>Detached home</td><td>£4600</td></tr></tbody></table><figcaption class="wp-element-caption"><em>These costs are 2024 market estimates. <a href="#form">Get a local installer to QUOTE now!</a></em></figcaption></figure> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>It’s good to know that your investment can also differ greatly based on your chosen insulation material, covered later in the article. It’s best to work with a professional accredited insulation installer who can quote a home-tailored price that takes into account your circumstances.</p> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Additional costs</h3> </div><div class="wordpress-image"> <figure class="wp-block-image size-full no-shadow"><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-additional-costs.png" alt="cavity-additional-costs" class="wp-image-106493" /></figure> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>In addition to the average costs of cavity wall insulation, several other expenses are part of the process. While some are case-specific, others are simply expected.</p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>The sections below outline some other costs you can expect in the process of cavity wall insulation, as well as why they’re relevant.</p> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Initial survey</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Before beginning a cavity wall insulation project, a professional installer must conduct a property assessment to ensure your cavity walls are in proper shape. This survey can cost anywhere from <strong>£150 - £300</strong>, but most professional installers provide a <strong>free inspection</strong> if you choose their services for the installation.</p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>The initial property survey looks for any wall issues or damage, existing insulation that might need removing, wires that need relocating, and many other preparatory works to know what your home needs. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Most installers will <strong>combine</strong> this cost with the rest of the installation package, but some even have a cavity wall insulation cost calculator on their site to give you a rough estimate.</p> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Additional repairs</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Sometimes, a property assessment might identify additional <strong>repair</strong> works needed before your cavity wall insulation. <strong>Exterior wall cracks and openings</strong> are a non-negotiable repair that must take place to ensure your cavity wall insulation works efficiently and isn't at risk of dampness.</p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Another common repair is related to <strong>wall ties</strong>, which cost around <strong>£30 - £50 per square metre</strong> to repair and replace. Wall ties are an important structural support found in cavity walls that secures the two wall leaves (internal and external) at a symmetrical width. Wall ties that have loosened over time will need replacing.</p> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Loft insulation</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Many insulation companies will provide combined packages for wall and loft insulation. Loft insulation alone can cost around <strong>£880 - £1,200</strong> depending on your home type, but some combined packages might offer better bargains on both.</p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Loft insulation is important because - like walls - uninsulated lofts are responsible for <b>almost one-third</b> of heat loss experienced in a home. The combined insulation of both walls and loft can provide a massive cut to your home’s heat loss, carbon footprint, and energy bill savings.</p> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Removal costs</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>If your home was built after the <strong>1920s</strong>, chances are that it’s a cavity wall build. Older cavity wall homes might have existing insulation in place that is outdated and needs <strong>removing</strong>, which can cost roughly around <strong>£1,600 - £2,600</strong> depending on your property size and removal complexity. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Generally, old insulation needs to be removed if it’s too compressed, damaged by moisture, mould, or infested with vermin. Nevertheless, some insulation companies may provide a combined package that carries out a full insulation <strong>replacement</strong>.</p> </div><div class="wordpress-heading u-heading-2 wordpress-heading--h2" style="--c37e9152:left;" data-v-beed8f72> <h2 class="wp-block-heading" id="cavity">Cavity wall insulation cost per m2</h2> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>The average cost of cavity wall insulation per m2 can range from <strong>£13 - £30</strong> considering insulation material alone. The main three materials used in cavity wall insulation are <strong>mineral</strong> <strong>fibre</strong>, <strong>polystyrene</strong> <strong>beads</strong>, or <strong>spray</strong> <strong>foam</strong>, however, several other options are just as effective and worthwhile:</p> </div><div class="wordpress-list" style="--59fc38e0:;" data-v-9bc93961><ul class="wordpress-list__wrapper checkmarks-colored" data-v-9bc93961> <li><strong>Mineral fibre:</strong> Costing around <strong>£13 - £18 per m2</strong>, mineral fibre is one of the most popular, budget-friendly and sustainable options for cavity wall insulation found on the market. These are loose mineral (rock) fibres that are blown into the cavity space before being sealed, ensuring protection from moisture damage.</li> <li><strong>Glass wool:</strong> Similar to mineral fibre, glass wool costs around <strong>£13 - £18 per m2</strong> and is just as popular to produce. Like mineral fibre, both materials are generally made from recycled materials and can also be recycled at the end of their lifespan.</li> <li><strong>Wool fibre:</strong> Despite costing a heftier <strong>£25 - £30 per m2</strong>, wool insulation is one of the most sustainable, hypoallergenic, and environmentally friendly cavity wall insulation options on the market. Made from treated sheep's wool, this material is entirely recyclable and exhibits impressive heat retention properties.</li> <li><strong>Cavity wall boards:</strong> While unsuitable for older builds, newly built homes can make use of cavity wall boards - costing around <strong>£15 - £17 per m2</strong> - before sealing up their cavity walls. These rigid boards can be made from various materials - such as PIR - and are renowned for being some of the best at heat retention. </li> <li><strong>(EPS) Expanded polystyrene beads:</strong> Costing around <strong>£18 - £22 per m2</strong>, polystyrene beads have been rapidly rising in popularity as a formidable insulation choice. Being entirely moisture and mould-resistant, these beads are injected into the cavity space, where they expand to fill any gaps. Better yet, these beads are endlessly recyclable.</li> <li><strong>Polyurethane foam:</strong> <a href="https://www.greenmatch.co.uk/insulation/walls/cavity/spray-foam">Cavity wall insulation foam</a> - costing <strong>£22 - £26 per m2</strong> - is an effective insulator that is injected as a liquid into the cavity space, where it expands to create an airtight seal. Unfortunately, polyurethane is a highly toxic, unrecyclable chemical component that can release harmful VOCs and off-gases throughout its lifetime.</li> </ul></div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Considering <a href="https://www.greenmatch.co.uk/insulation/walls/cavity/best">cavity wall insulation materials</a>, <strong>mineral fibre</strong> insulation types tend to be the cheapest cavity wall insulation on the market, <strong>polyurethane foam</strong> is often the most effective at retaining heat, whereas <strong>polystyrene beads </strong>are the best mix between affordability, effectiveness and recyclability.</p> </div><div class="wordpress-heading u-heading-2 wordpress-heading--h2" style="--c37e9152:left;" data-v-beed8f72> <h2 class="wp-block-heading" id="what">What are the factors that impact the cost of cavity wall insulation?</h2> </div><div class="wordpress-image"> <figure class="wp-block-image size-full no-shadow"><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-wall-factors.png" alt="cavity-wall-factors" class="wp-image-106494" /></figure> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Several factors can influence the cost of a cavity wall insulation job. These tend to be matters such as your home type, size, chosen insulation material, and any other personal circumstances that an installer should consider with your home.</p> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Type of wall</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>To accommodate cavity wall insulation, your cavity walls need to be in <strong>good condition</strong>, with any damage, openings or faulty brickwork solved before conducting a job. The cavity space in between the wall leaves must also be <strong>at least 50mm wide</strong> or more. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>In standard industry practice, most cavity wall properties will have a cavity width of <strong>100mm - 150 mm</strong>. Depending on the cavity space width, your material costs may be higher or lower.</p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>A professional installer can conduct a property assessment to ensure your property meets the right conditions for the job or can guide you to what needs to be done first.</p> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Insulation material</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>With the wide range of insulation materials available on the market, your choice of material will inevitably impact your final investment cost. As a general rule of thumb, materials that cost more are likely more effective at retaining heat, however, some sustainable options like <strong>sheep wool </strong>are worth the extra cost due to its added environmental friendliness. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>On the cheaper end of the spectrum, options like<strong> mineral fibre</strong> are far more budget-friendly but are not as effective at retaining heat when compared to materials like <strong>polystyrene beads</strong>.</p> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Property size and wall area</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Your home type and size will also somewhat dictate your overall costs. Simply put, the more wall area you have, the more you will need to pay. However, installation complexity can play a role here too. Homes with simpler wall layouts may require simpler labour as opposed to complex floor plans. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>This also means that some homes may need <strong>scaffolding</strong> in place, especially if they have home extensions such as orangeries or conservatories. Unfortunately, most cavity wall insulation companies do not account for coverage of scaffolding, which can cost somewhere around an extra <strong>£300ormore</strong> to hire.</p> </div><div class="wordpress-heading u-heading-2 wordpress-heading--h2" style="--c37e9152:left;" data-v-beed8f72> <h2 class="wp-block-heading" id="is">Is cavity wall insulation worth it for your home?</h2> </div><div class="wordpress-image"> <figure class="wp-block-image size-full no-shadow"><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/06/cavity-insulation-pros.png" alt="cavity-insulation-pros" class="wp-image-106495" /></figure> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Cavity wall insulation is one of the most effective and rewarding home upgrades anyone could implement. What might seem like a hefty initial cost, is <strong>worth every penny</strong> through the wealth of advantages, including financial savings, a well-maintained home environment, and a greener planet. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>With all things considered, cavity wall insulation is an all-round home insulation essential that will save you money, improve your home environment, and benefit the environment, all with just one investment!</p> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Lower energy bills</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Homes with poor insulation end up with a heating system that overworks to compensate for lost heat. This racks up sky-high energy bills for your property. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Proper wall insulation can cut your heat loss by<strong> up to 33%</strong>, saving <strong>up to £405 </strong>in annual energy bill savings for a detached UK home. Additionally, cavity wall insulation is very cost-effective in terms of payback time on your investment, on average taking <strong>just 10 years </strong>to pay itself off</p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Here’s a full breakdown of expected savings with cavity wall insulation per home type:</p> </div><div class="wordpress-table"> <figure class="wp-block-table table-responsive"><table><thead><tr><th><strong>Property type</strong></th><th><strong>Energy bill savings (£/year)</strong></th><th><strong>Average payback period</strong></th></tr></thead><tbody><tr><td>Flat/Apartment</td><td>£110</td><td>10 years</td></tr><tr><td>Mid-terrace home</td><td>£140</td><td>10.5 years</td></tr><tr><td>Detached bungalow</td><td>£175</td><td>12 years</td></tr><tr><td>Semi-detached home</td><td>£235</td><td>11.5 years</td></tr><tr><td>Detached home</td><td>£405</td><td>11.5 years</td></tr></tbody></table><figcaption class="wp-element-caption"><em>These savings are 2024 market estimates. <a href="#quote">Get a local installer to QUOTE now!</a></em></figcaption></figure> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Better health and a more comfortable home</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Uninsulated homes are a breeding ground for <strong>mould</strong> and <strong>rot</strong>, due to damp and drafty inner environments. Not only is this bad for your home's structural integrity, but can also harm your health through respiratory illnesses such as asthma. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Insulating your cavity walls also helps your home<strong> retain heat </strong>better, resulting in warmer, more comfortable winters and cooler summers.</p> </div><div class="fact-box fact" style="--190775e6:;--5d0229b4:;" data-v-982f8e72><div class="fact-box__inner--background fact-box__inner" data-v-982f8e72><div class="fact fact-box__header" data-v-982f8e72>Tip</div><div data-v-982f8e72><p><span style="font-weight: 400">Older homes may have outdated forms of insulation. An example is </span><b>formaldehyde</b> <b>foam</b> <b>insulation</b><span style="font-weight: 400">, a spray foam that was very popular for insulation purposes in the 70s and 80s. </span></p> <p><span style="font-weight: 400">Similar to polyurethane, formaldehyde is a </span><b>carcinogen</b><span style="font-weight: 400"> and releases toxic gases that irritate the respiratory system, causing migraines and potential illness. Additionally, formaldehyde is highly flammable and completely un-recyclable. </span></p> <p><span style="font-weight: 400">Old insulation will need to be removed by a professional installer before new cavity wall insulation can be added.</span></p> </div></div></div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Lower CO2 emissions</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>The UK housing stock is some of the least energy-efficient in all of Europe. According to the <em>NHBC Foundation</em>, UK housing is responsible for <strong>30%</strong> of primary energy use, and<strong> 27% </strong>of the total carbon emissions in the country. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Cavity wall insulation can significantly reduce this heat loss, leading to an impressive <strong>1.1 tonnes</strong> of annual CO2 reductions in detached homes.</p> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Cavity wall insulation lasts long</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Assuming a proper insulation job was carried out, cavity wall insulation can effectively last <strong>up to a century</strong>. That means after the first 10 years or so of paying off your investment, you can enjoy several decades of major savings before even considering a new insulation job. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Regardless, it's recommended to conduct a wall inspection during this time to proactively solve any damage to your home's exterior walls, helping to prolong the lifespan of your insulation. To learn more about <a href="https://www.greenmatch.co.uk/insulation/walls/cavity/how-long-does-it-last">how long does cavity wall insulation last</a> and how to maintain it, you can read the article linked.</p> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Provides some sound insulation</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>When compared to a cavity wall with an empty uninsulated cavity space, proper insulation will definitely help <strong>reduce noise pollution</strong>, however, heat insulation is not necessarily renowned for soundproofing qualities. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Some insulation materials, such as mineral fibre or spray foam are better at soundproofing than others, but for proper soundproofing of your home, there are other more effective measures to consider. </p> </div><div class="wordpress-heading u-heading-3 wordpress-heading--h3" style="--c37e9152:left;" data-v-beed8f72> <h3 class="wp-block-heading">Increases property value</h3> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Homes that are properly insulated also have a<strong> higher EPC rating</strong>. An <em>Energy Performance Certificate (EPC)</em> rating tells you about your home's energy efficiency. Homes are scored on a scale of <strong>A</strong> (most efficient) to <strong>G</strong> (least efficient). </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Should you ever plan to rent or sell, properties with higher EPC scores are valued much better on the housing market due to their better energy efficiency.</p> </div><div class="wordpress-heading u-heading-2 wordpress-heading--h2" style="--c37e9152:left;" data-v-beed8f72> <h2 class="wp-block-heading" id="gov">Government grants to help you with cavity wall insulation costs</h2> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>If the costs of cavity wall insulation seem daunting to you, luckily the UK government has rolled out <strong>two key <a href="https://www.greenmatch.co.uk/insulation/grants">insulation grant</a> schemes</strong> to help low-income and fuel-poor households with free insulation or partial cost coverage. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>These are the <strong><a href="https://www.greenmatch.co.uk/insulation/grants/great-british-insulation-scheme">Great British Insulation Scheme</a> (GBIS)</strong> and the <strong>Energy Company Obligation (ECO4)</strong>. Both schemes have similar eligibility criteria and are active until March 2026. Nevertheless, it’s best to apply earlier to maximise your chances of benefiting from a grant.</p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Additionally, many <strong>UK energy suppliers </strong>can give out grants and provide coverage of cavity wall insulation through themselves. Some examples are British Gas, EDF Energy, E.ON, Npower, SSE, Scottish Power and others.</p> </div><div class="wordpress-heading u-heading-2 wordpress-heading--h2" style="--c37e9152:left;" data-v-beed8f72> <h2 class="wp-block-heading" id="obtain">Obtain multiple quotes to get the best cavity wall insulation price</h2> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>Choosing to insulate your cavity walls is just the beginning of the journey. The next step is to make sure you work with a <strong>professional installer</strong> who ensures the job is done correctly. By looking at multiple cavity wall insulation quote prices, you can find your best fit. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>A good way to do this is to look for <strong>PAS 2030-2035 certified</strong> installers. The <em>Publicly Available Specifications (PAS)</em> are a series of installer guidelines by the UK government that ensure insulation jobs are carried out to the highest standard. Another key certification is the <strong>Cavity Insulation Guarantee Agency (CIGA)</strong>, which ensures that your cavity wall insulation job is guaranteed for up to <strong>25 years</strong>. This way, you can ensure to get the best value for your money. </p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p>However, don’t just jump at the first offer you get! You might miss out on great cavity wall insulation prices by not researching and vetting installer options enough. Granted, this process can be very tedious and take endless hours of website surfing and phone call arranging, but that’s where GreenMatch UK can be your saving grace.</p> </div><div class="wordpress-paragraph" style="--25ab227a:left;" data-v-c0f9f52b> <p><em>By simply filling out our 30-second online form, we can connect you with up to 3 free home-tailored insulation quotes from our nationwide network of trustworthy installers. That way, you can save time and money, sit back, and let the bargains come to you. The best part? Our services are completely cost and obligation-free. Click below to begin!</em></p> </div><div class="cta-block" style="background-image:linear-gradient(to right, #deeefa, #deeefa);--1554cd56:#000;--4f2215c8:#c3e0f3;--147220ca:rgb(68 68 68);--7b28d34a:rgb(255, 111, 0);--09347c9a:#ffffff;--3bc782e2:rgb(148, 148, 148);--67e53659:#deeefa;--e9b1b55c:#deeefa;--5c587492:#3daee2;--454f35ba:#535456;--20c6ad50:#000;--10fda644:#c3e0f3;--e8a5e7c6:rgb(68 68 68);--143b308c:rgb(255, 111, 0);--33169ddc:#ffffff;--947f57de:rgb(148, 148, 148);--388c8c7a:#5f6265;--224b6ae2:#fff;--90c71118:rgb(var(--base-400));--4c846620:rgb(var(--base-200));--70bbd5b2:rgb(var(--base-200));" data-v-94877ae5><div class="cta-block__header" data-v-94877ae5><div class="cta-block__title" style="color: #3daee2" data-v-94877ae5>Get your best deal</div><div class="cta-block__sub-title" style="color: #535456" data-v-94877ae5>Quickly compare FREE quotes</div></div><div class="cta-block__content-container" data-v-94877ae5><div class="cta-block__usp-container" data-v-94877ae5><div class="cta-block__usps" data-v-94877ae5><ul> <li>Describe your needs</li> <li>Get free quotes</li> <li>Choose the best offer</li> </ul> </div><div class="cta-button cta-button--background" data-v-94877ae5 style="" data-v-ed61c7a3><div class="buttons-orange" data-v-ed61c7a3><div class="link">GET QUOTES NOW</div></div><p class="cta-button__description--text-color cta-button__description" data-v-ed61c7a3><svg xmlns="http://www.w3.org/2000/svg" class="cta-button__icon" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" data-v-ed61c7a3><path stroke-linecap="round" stroke-linejoin="round" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" data-v-ed61c7a3></path></svg> It only takes 30 seconds</p></div><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2023/03/person.png" alt="" width="124" height="277" loading="lazy" data-v-94877ae5></div><div class="cta-block__optimize-home-container" data-v-94877ae5><div class="cta-block__optimize-image-container" data-v-94877ae5><div class="cta-block__optimize-image" data-v-94877ae5><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2023/03/earth-globe-square.svg" alt="Earth globe icon" loading="lazy" data-v-94877ae5></div></div><div class="cta-block__optimize-text" data-v-94877ae5>Optimise your home and save the planet</div></div><div data-v-94877ae5><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2023/03/earth-globe-square.svg" alt="Earth globe icon" loading="lazy" data-v-94877ae5></div></div><div class="cta-block__bottom" style="background-color: #fff" data-v-94877ae5><div class="cta-block__bottom-container" data-v-94877ae5><div class="cta-block__bottom-title-container" style="color: #5f6265" data-v-94877ae5></div></div></div></div><div class="wordpress-heading u-heading-2 wordpress-heading--h2" style="--c37e9152:left;" data-v-beed8f72> <h2 class="wp-block-heading" id="FAQ">FAQ</h2> </div><div data-headlessui-state class="faq" data-v-86ecb72c><button id="headlessui-disclosure-button-v-0-90" type="button" aria-expanded="false" data-headlessui-state class="faq__button closed faq__button--has-color" data-v-86ecb72c><div class="faq__title faq__title--has-color" data-v-86ecb72c>How much is cavity wall insulation?</div><svg class="faq__icon faq__icon--has-color" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" data-v-86ecb72c><path stroke-linecap="round" stroke-linejoin="round" d="M19 9l-7 7-7-7" data-v-86ecb72c></path></svg></button><div id="headlessui-disclosure-panel-v-0-91" hidden style="display:none;" data-headlessui-state class="faq__panel faq__panel--has-color faq__panel-text-parent--has-color" data-v-86ecb72c><p>Cavity wall insulation can cost around <strong>£1,000 – £4,600</strong> depending on your property type and size. However, several factors can influence this overall cost such as your chosen insulation material, any existing insulation that needs removing, repairs, and installation complexity.</p> </div></div><div data-headlessui-state class="faq" data-v-86ecb72c><button id="headlessui-disclosure-button-v-0-92" type="button" aria-expanded="false" data-headlessui-state class="faq__button closed faq__button--has-color" data-v-86ecb72c><div class="faq__title faq__title--has-color" data-v-86ecb72c>How much does it cost to remove cavity wall insulation?</div><svg class="faq__icon faq__icon--has-color" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" data-v-86ecb72c><path stroke-linecap="round" stroke-linejoin="round" d="M19 9l-7 7-7-7" data-v-86ecb72c></path></svg></button><div id="headlessui-disclosure-panel-v-0-93" hidden style="display:none;" data-headlessui-state class="faq__panel faq__panel--has-color faq__panel-text-parent--has-color" data-v-86ecb72c><p>Cavity wall insulation removal can cost around <strong>£1,600 – £2,600</strong> depending on your property type, size and removal complexity. </p> </div></div><div data-headlessui-state class="faq" data-v-86ecb72c><button id="headlessui-disclosure-button-v-0-94" type="button" aria-expanded="false" data-headlessui-state class="faq__button closed faq__button--has-color" data-v-86ecb72c><div class="faq__title faq__title--has-color" data-v-86ecb72c>Is there a government grant for cavity wall insulation?</div><svg class="faq__icon faq__icon--has-color" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" data-v-86ecb72c><path stroke-linecap="round" stroke-linejoin="round" d="M19 9l-7 7-7-7" data-v-86ecb72c></path></svg></button><div id="headlessui-disclosure-panel-v-0-95" hidden style="display:none;" data-headlessui-state class="faq__panel faq__panel--has-color faq__panel-text-parent--has-color" data-v-86ecb72c><p>There are government grants in place to help with free and reduced-cost cavity wall insulation. These are the Great British Insulation Scheme (GBIS) and the Energy Company Obligation (ECO4). Both schemes are active until March 2026 and provide a range of home insulation measures, including cavity wall insulation. </p> </div></div><div data-headlessui-state class="faq" data-v-86ecb72c><button id="headlessui-disclosure-button-v-0-96" type="button" aria-expanded="false" data-headlessui-state class="faq__button closed faq__button--has-color" data-v-86ecb72c><div class="faq__title faq__title--has-color" data-v-86ecb72c>Is it worth it to insulate cavity walls?</div><svg class="faq__icon faq__icon--has-color" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" data-v-86ecb72c><path stroke-linecap="round" stroke-linejoin="round" d="M19 9l-7 7-7-7" data-v-86ecb72c></path></svg></button><div id="headlessui-disclosure-panel-v-0-97" hidden style="display:none;" data-headlessui-state class="faq__panel faq__panel--has-color faq__panel-text-parent--has-color" data-v-86ecb72c><p>Cavity wall insulation is a worthy investment with a wealth of benefits. By insulating your cavity walls, you can lower your energy bills by up to <strong>£405</strong> in detached UK homes, as well as cut your carbon footprint by a staggering <strong>1.1 tonnes</strong>. Additionally, cavity wall insulation can reduce your home heat loss by <strong>33%</strong>.</p> </div></div><div data-headlessui-state class="faq" data-v-86ecb72c><button id="headlessui-disclosure-button-v-0-98" type="button" aria-expanded="false" data-headlessui-state class="faq__button closed faq__button--has-color" data-v-86ecb72c><div class="faq__title faq__title--has-color" data-v-86ecb72c>What is the cost of cavity wall insulation per square metre?</div><svg class="faq__icon faq__icon--has-color" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" data-v-86ecb72c><path stroke-linecap="round" stroke-linejoin="round" d="M19 9l-7 7-7-7" data-v-86ecb72c></path></svg></button><div id="headlessui-disclosure-panel-v-0-99" hidden style="display:none;" data-headlessui-state class="faq__panel faq__panel--has-color faq__panel-text-parent--has-color" data-v-86ecb72c><p>The general price of cavity wall insulation per square metre can range from <strong>£13 – £30</strong> depending on the insulation material you choose to work with. This cost does not include labour and installation costs, but just the material cost range. </p> </div></div><div style="--1253ac78:;--4a04aefe:;--00efde15:;--43ba1500:;" data-v-86ecb72c><script type="application/ld+json">{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How much is cavity wall insulation?","acceptedAnswer":{"@type":"Answer","text":"Cavity wall insulation can cost around £1,000 – £4,600 depending on your property type and size. However, several factors can influence this overall cost such as your chosen insulation material, any existing insulation that needs removing, repairs, and installation complexity.\n"}},{"@type":"Question","name":"How much does it cost to remove cavity wall insulation?","acceptedAnswer":{"@type":"Answer","text":"Cavity wall insulation removal can cost around £1,600 – £2,600 depending on your property type, size and removal complexity. \n"}},{"@type":"Question","name":"Is there a government grant for cavity wall insulation?","acceptedAnswer":{"@type":"Answer","text":"There are government grants in place to help with free and reduced-cost cavity wall insulation. These are the Great British Insulation Scheme (GBIS) and the Energy Company Obligation (ECO4). Both schemes are active until March 2026 and provide a range of home insulation measures, including cavity wall insulation. \n"}},{"@type":"Question","name":"Is it worth it to insulate cavity walls?","acceptedAnswer":{"@type":"Answer","text":"Cavity wall insulation is a worthy investment with a wealth of benefits. By insulating your cavity walls, you can lower your energy bills by up to £405 in detached UK homes, as well as cut your carbon footprint by a staggering 1.1 tonnes. Additionally, cavity wall insulation can reduce your home heat loss by 33%.\n"}},{"@type":"Question","name":"What is the cost of cavity wall insulation per square metre?","acceptedAnswer":{"@type":"Answer","text":"The general price of cavity wall insulation per square metre can range from £13 – £30 depending on the insulation material you choose to work with. This cost does not include labour and installation costs, but just the material cost range. \n"}}]}</script></div></div></div><div class="space-y-4"><section class="content-author" data-v-07f80019><div class="content-author__content-container" data-v-07f80019><div class="content-author__image" data-v-07f80019><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2024/07/Author-Images_Akif_GM_Line.png" alt="Akif Aliyev" loading="lazy" data-v-07f80019></div><div class="content-author__content" data-v-07f80019><div class="content-author__content--header" data-v-07f80019><div class="header__socials" data-v-07f80019><a class="button-email" href="/cdn-cgi/l/email-protection#4d2c632c212434283b0d21282c293e632422" target="_blank" data-v-07f80019><span class="sr-only" data-v-07f80019>Email</span></a></div><div class="header__title" data-v-07f80019><span data-v-07f80019>Written by </span><a href="https://www.greenmatch.co.uk/authors/akif-aliyev" data-v-07f80019>Akif Aliyev</a><span data-v-07f80019>, Writer</span></div></div><div class="content-author__content--shortbio" data-v-07f80019><p>Akif is a copywriter at GreenMatch since 2023. With a keen interest in community sustainability, green solutions and the role of digital media in identifying climate trends, he aims to hone in on his background in International Studies and Digital Media to provide a multidisciplinary approach to written content rooted in credible research and accuracy.</p> </div></div></div></section></div></div><div class="sidebar" data-v-6c955e7f><div class="its-that-easy" data-v-6c955e7f data-v-b5448dc3><div class="its-that-easy__title" data-v-b5448dc3>How It Works</div><div class="its-that-easy__usps" data-v-b5448dc3><div class="its-that-easy__usp" data-v-b5448dc3><div class="its-that-easy__number-container" data-v-b5448dc3><div class="its-that-easy__number" data-v-b5448dc3>1</div></div><div class="its-that-easy__usp-content" data-v-b5448dc3><div class="its-that-easy__usp-title" data-v-b5448dc3>Answer a few simple questions</div> Describe your requirements by answering some super quick and easy questions</div></div><div class="its-that-easy__usp" data-v-b5448dc3><div class="its-that-easy__number-container" data-v-b5448dc3><div class="its-that-easy__number" data-v-b5448dc3>2</div></div><div class="its-that-easy__usp-content" data-v-b5448dc3><div class="its-that-easy__usp-title" data-v-b5448dc3>Talk to installers</div> Up to 4 installers will get in touch with you directly</div></div><div class="its-that-easy__usp" data-v-b5448dc3><div class="its-that-easy__number-container" data-v-b5448dc3><div class="its-that-easy__number" data-v-b5448dc3>3</div></div><div class="its-that-easy__usp-content" data-v-b5448dc3><div class="its-that-easy__usp-title" data-v-b5448dc3>Receive up to 4 quotes</div> Compare quotes and select the best option for you</div></div></div></div><div class="become-a-partner-container" data-v-6c955e7f data-v-66f83ad8><div class="become-a-partner__title" data-v-66f83ad8>Become a Partner</div><div class="become-a-partner__inner" data-v-66f83ad8><div class="become-a-partner__top" data-v-66f83ad8><p class="become-a-partner__text" data-v-66f83ad8>We strive to connect our customers with the right product and supplier. Would you like to be part of GreenMatch?</p><img src="https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2023/02/become-a-partner.svg" class="become-a-partner__image" alt="Become a Partner" loading="lazy" data-v-66f83ad8></div><div data-v-66f83ad8><a href="https://www.greenmatch.co.uk/supplier-sign-up" class="become-a-partner__button" data-v-66f83ad8>Apply now</a></div></div></div><div class="sidebar__sticky" data-v-6c955e7f><div data-headlessui-state="open" class="guide-container" data-v-6c955e7f data-v-39639fae><button id="headlessui-disclosure-button-v-0-100" type="button" aria-expanded="true" aria-controls="headlessui-disclosure-panel-v-0-101" data-headlessui-state="open" class="guide" data-v-39639fae><span class="guide__title" data-v-39639fae>Learn More in Our Guide</span><svg class="guide__icon" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" data-v-39639fae><path stroke-linecap="round" stroke-linejoin="round" d="M19 9l-7 7-7-7" data-v-39639fae></path></svg></button><div id="headlessui-disclosure-panel-v-0-101" data-headlessui-state="open" class="guide__content" data-v-39639fae data-v-39639fae><ul class="guide__content-items" data-v-39639fae><li class="guide__content-item" data-v-39639fae><a class="guide__content-item-link active" href="#h1" data-v-39639fae>Cavity Wall Insulation Cost: Guide for 2024</a></li><li class="guide__content-item" data-v-39639fae><a class="guide__content-item-link" href="#how" data-v-39639fae>How much does cavity wall insulation cost in the UK?</a></li><li class="guide__content-item" data-v-39639fae><a class="guide__content-item-link" href="#cavity" data-v-39639fae>Cavity wall insulation cost per m2</a></li><li class="guide__content-item" data-v-39639fae><a class="guide__content-item-link" href="#what" data-v-39639fae>What are the factors that impact the cost of cavity wall insulation?</a></li><li class="guide__content-item" data-v-39639fae><a 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