Get free Cavity Wall Insulation in Scotland with no hidden costs — fully funded by the UK Government.
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Cavity Wall Insulation is a highly effective method used to prevent heat loss in homes that have a gap (or “cavity”) between two layers of external brick walls. These cavities are filled with insulation material to trap heat inside, making your home warmer, more energy-efficient, and cheaper to heat.
If your home was built between 1920 and 2000, there’s a good chance it has uninsulated cavity walls meaning you’re likely losing up to 35% of your heat through the walls alone.
By injecting insulation into the cavity, we create a thermal barrier that stops warmth from escaping, especially during Scotland’s colder months.
✅ Reduces heat loss and cuts your energy bills
✅ Quick, non-invasive process usually completed in just a few hours
✅ Fully funded for eligible homes under GBIS and ECO4 government schemes
Whether you’re a homeowner or tenant, cavity wall insulation is one of the smartest upgrades for achieving a warmer, greener, and more affordable home.
The Free Cavity And Wall Insulation Scheme is part of the UK Government’s wider energy-efficiency initiatives — including the Great British Insulation Scheme (GBIS) and ECO4. It’s designed to help homeowners and eligible tenants in Scotland make their homes warmer and more energy-efficient at no personal cost.
If your property was built between 1920 and 1990, it likely has Cavity Walls external walls made of two layers with a gap (cavity) in between. This gap can cause significant heat loss, especially in colder Scottish climates. Cavity wall insulation fills this space with insulating material to retain heat, lower energy bills, and reduce carbon emissions.
✅ The grant is fully funded by the government
✅ Covers the entire cost of installation
✅ Available for EPC (D to G) properties
These improvements can save households up to £300+ per year on heating costs while improving your EPC rating and boosting property value.
Grants through GBIS and ECO4 mean cavity wall insulation is installed at no cost to eligible homeowners or tenants — with no hidden fees or repayments.
The Great British Insulation Scheme (GBIS) and ECO4 programme are government-funded initiatives aimed at helping households across Scotland stay warmer, reduce energy consumption, and save on heating bills — all at zero cost.
You could be eligible for a completely free cavity insulation grant through either the GBIS or ECO4 schemes, depending on your household’s circumstances and energy efficiency needs.
If you’re a homeowner, you can still qualify without claiming any benefits, especially if your home is considered energy inefficient and falls under the eligible council tax bands.
However, private tenants must receive at least one qualifying benefit to access this government grant.
If you’re over the age of 70, you may qualify for a 100% free cavity insulation grants through government-backed initiatives like ECO4 and the Great British Insulation Scheme (GBIS). These schemes are designed to help older homeowners or pensioners cut down on energy bills, reduce heat loss, and enjoy a warmer home — without any cost for installation or materials.
Whether you’re on pension credit, housing benefit, or other qualifying income-based benefits, you could receive full funding — including assessment, materials, and professional installation.
✅ Reduced energy bills year-round
✅ Fully funded — no hidden costs or repayments
✅ Certified installers included
✅ No disruption to your living space
Even if you’re not receiving benefits, homeowners over 70 may still be eligible based on property condition, EPC rating, and council tax band.
👉 Check your eligibility today and take advantage of a warmer, more energy-efficient home.
If you or someone in your household is living with a disability, you may be entitled to a fully funded cavity wall insulation grant through the ECO4 or GBIS schemes. These government programmes support vulnerable groups across Scotland by improving home energy efficiency and reducing heating costs for their homes.
Disabled individuals may qualify as either homeowners or tenants. Tenants must be receiving a qualifying benefit, while homeowners do not always need to be on benefits to apply.
✅ Specialised support for disabled applicants
✅ Zero-cost funding for survey, materials & install
✅ Better comfort, health, and indoor temperature control
✅ No paperwork or upfront fees — we handle it all
This grant covers the entire process, including property assessment, materials, and professional installation — all at zero cost.
👉 Start your application now and create a warmer, safer home for your household.
Once you’re eligible, Insulation Grant Scotland takes care of everything — from your free cavity wall insulation survey to expert installation, all at no cost to you.
Fill out our quick 60-second form to see if you qualify for a free insulation of cavity wall in Scotland. No documents needed — just basic details about your home.
If you’re eligible, we’ll arrange a free property survey at your convenience. Our assessor will inspect your home and let you know about the process and other details.
Once approved, our qualified installers will carry out the work — fully funded by the government, with no cost to you for cavity wall insulation at your property.
Cavity wall insulation is a quick and low-disruption upgrade designed to improve energy efficiency. All work is carried out by trained professionals and typically completed in a single visit — with minimal impact on your home’s interior.
The insulation is injected into the gap between your external walls (called the cavity), creating a thermal barrier that keeps warm air inside and cold air out — helping you save money on heating all year round.
Looking for other free insulation solutions in Scotland? At Insulation Grant Scotland, we offer a range of government-backed services to make your home warmer and more energy efficient.
Explore our fully funded options including Loft Insulation Grants, Cavity Wall Insulation Grants, Internal Wall Insulation for Solid Walls, and Room in Roof Insulation Grants.
Check your eligibility today and see how much you could save on your energy bills!
We Serve All of Scotland – Major Areas We Cover Include:
📌 If your property is located in Scotland and falls under Council Tax Band A to E, you could qualify for a free cavity wall insulation grant.
Find quick answers to your most common questions here.
Cavity wall insulation involves filling the gap between two layers of brick in your walls with insulating material. It helps reduce heat loss and lowers energy bills.
Yes, through government-backed schemes like ECO4 and the Great British Insulation Scheme (GBIS), the full cost — including the survey, materials, and installation — is covered for eligible households.
Qualifying benefits include Universal Credit, Child Tax Credit, Working Tax Credit, Pension Guarantee Credit, and more. A full list is available in our eligibility section.
Most installations are completed within a few hours. It’s a clean, non-invasive process carried out by certified professionals.
None at all. If you qualify through GBIS or ECO4, the entire process is 100% funded — no fees, no loans, and no repayments.
Not at all. Small holes are drilled into the external brickwork and filled after the insulation is injected. The process is safe and won’t damage your home’s structure.
Yes, but the tenant must be eligible — usually by receiving qualifying benefits. Landlord permission is required to proceed.
Insulation Grant Scotland helps both homeowners and tenants access free home insulation through the GBIS & ECO4 scheme — making homes warmer and energy bills lower across Scotland.
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