Why Choose External Wall Insulation for Your Home?
External wall insulation grants UK under the ECO4 scheme and the Great British Insulation Scheme (GBIS) make it easier and more affordable for households to upgrade. Here are the key benefits:
Lower Energy Bills – Save up to £550 per year on heating costs in a detached UK home.
Cut Carbon Emissions – Reduce your home’s CO₂ output by up to 1.5 tonnes annually, supporting the UK’s net zero 2050 goal.
Healthier Living Environment – Prevents damp, drafts, and mould, improving air quality and protecting your family’s health.
Boost Property Value – A better EPC rating increases your property’s market value and makes it more attractive to buyers and renters.
Estimated Annual Savings With External Insulation
Installing external wall insulation delivers both energy bill savings and carbon footprint reductions.
Energy bill savings (£/year):
Carbon dioxide savings (kgCO₂/year):
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Check Your Eligibility To Avail These Grants
External Wall Insulation Grants
External wall insulation grants in the UK help cover the cost of insulating solid walls, making homes more energy-efficient and reducing heating bills. These grants are available under different UK government schemes depending on income, EPC rating, benefits, and property location.
Eligibility Criteria for ECO4 and GBIS External Wall Insulation Grants
The ECO4 and Great British Insulation Scheme (GBIS) share similar requirements since both support the UK’s net-zero energy efficiency goals. While criteria can vary between homeowners and renters, the core qualifications for free external wall insulation include:
Gross annual household income under £31,000.
Homeownership or being a private landlord (with tenant consent if rented).
Receiving qualifying government benefits such as Universal Credit, Child Tax Credit, or Pension Credit.
A property with an EPC rating of E or below.
Key Benefits of External Wall Insulation in the UK
Lower Energy Bills & Improved Efficiency
External wall insulation significantly reduces heat loss, helping your home stay warmer for longer. It improves your EPC rating and can save hundreds annually on heating costs.
Enhanced Comfort & Weather Protection
By eliminating draughts, insulation boosts indoor comfort and adds a weatherproof protective layer to your property. It also reduces outside noise, improving overall living quality.
Increased Property Lifespan & Sustainability
External insulation protects your walls, extends your property’s life, and lowers carbon emissions—making it a smart eco-friendly upgrade, especially for older UK solid-wall homes.
Steps to Apply for External Wall Insulation Grants in the UK
Follow the steps to qualify under ECO4 or the Great British Insulation Scheme (GBIS).
Choose the Right Grant
The UK offers two main insulation grants—ECO4 and GBIS. Both cover external wall insulation but with different eligibility rules. Select the one that best suits your home’s needs.
Check Your Eligibility
Before applying, confirm you meet the scheme’s requirements including household income, EPC rating, council tax band, and property type to avoid delays or rejection.
Submit Your Application
For GBIS, apply directly through the UK Government’s website. For ECO4, applications are made via your energy supplier.
Hire a Certified Installer
All work must be carried out by a PAS 2030-2035 certified installer to ensure quality, compliance, and full eligibility for government funding.
ECO4 Scheme Eligibility | Free Boiler Grant UK 2025
You may qualify for the Eco Boiler Scheme if you receive one of these UK benefits
- Income-Based Jobseeker's Allowance (JSA)
- Income Related Employment & Support Allowance (ESA)
- Income Support (IS)
- Pension Guarantee Credit
- Working Tax Credit (WTC)
- Child Tax Credit (CTC)
- Universal Credit (UC)
- Housing Benefit
- Pension Savings Credit
John Smith
20 Nov 2021
Excellent service from start to finish. The team was professional and the new boiler works perfectly. Highly recommended for anyone looking for quality installation.
Emma Wilson
18 Nov 2021
Great experience with the team. They explained everything clearly and completed the work efficiently. Very satisfied with the results and would use again.
David Turner
12 Nov 2021
The installation was quick and hassle-free. My home feels warmer and my energy bills have already started to drop. Thank you for the fantastic service!
Sarah Patel
05 Nov 2021
I was unsure about applying for the ECO4 scheme, but the team guided me through every step. The new boiler is brilliant and the process was smooth.
Michael Brown
28 Oct 2021
Very professional and friendly staff. The free boiler grant made a real difference for my family. Highly recommend this service to others.
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Check Your Eligibility To Avail These Grants