Does Your Project Require Rendering & Insulation?

Great British Insulation Scheme

South East Coverage

We Provide Rendering & Insulation Services Across South East England.

Free 25 Year Guarantee

Get A 25 Year Guarantee On Any New Installation Carried Out By Our Team.

Over 20 Years Experience

Trustmark Endorsed. Fully Insured & Accredited With Quality Mark Protection.

Free Quotes Given

We Provide Free Quotations For Any Type Of Residential & Commercial Project.

Government Grants

The Great British Insulation Scheme is a government funding program, designed to help increase the energy efficiency of homes across the UK, by providing grants for the installation of Energy Efficiency Measures (EEM’s), specifically insulation.

Who qualifies for the GBIS?

  • Houses with an Energy Performance Certificate (EPC) of D to G.
  • Within the Council Tax bands A-D (in England).
Free Loft insulation with funding under the Great British Insulation Scheme

Measures Included:

Reduce your heating bills, warm your home, and be part of lowing carbon emissions, by upgrading your home insulation for free (if you qualify)!

Accredited Scheme Partners

ProGuard Exteriors are fully accredited (TrustMark and PAS2030), highly experienced Great British Insulation Scheme (GBIS) installers, working throughout South East England. We provide all Insulation solutions offered within the scheme.

When working with us, we take care of everything, making the entire process simple and efficient.

1. Check Your Eligibility

Find out if you qualify in just 1-click.

2. Free Property Survey

We'll check your existing insulation and recommend the best Energy Upgrade Measures within the scheme.

3. Grant Application

As a registered ‘Energy Partner’ we actually submit the application for you, so it couldn’t be easier.

4. Installation of Insulation

Our highly experienced, qualified and friendly team will manage the installation of your new insulation.

Scheme Eligibility

  • Houses with an Energy Performance Certificate (EPC) of D to G.
  • Within the Council Tax bands A-D (in England).

You can be a homeowner, landlord or tenant, (either renting privately or from a housing association). If you’re a tenant, speak to your landlord before you apply.

The scheme is running until March 2026, so don’t miss out! Get started by checking if your home qualifies.

Great British Insulation Scheme eligibility


Make Your Home Warmer

Great British Insulation Scheme Grants - Free Cavity wall and loft insulation

Claim Your Free Insulation

Working with us couldn’t be easier. We apply for the grant directly for you, so you don’t need to worry about complicated government processes. Once the funding has been received we install the recommended insulation measures to your home.

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