Insulation is one of the most cost-effective ways to cut energy bills, and several grants can cover part or all of the cost for eligible homes. Here’s what’s available now.

What’s available

The Great British Insulation Scheme offered insulation help but closed to new installations on 31 March 2026. The Warm Homes: Local Grant supports lower-income owner-occupiers in England, and ECO4 ends on 31 December 2026. What you can get depends on your income, benefits and property.

Get quality work

Poorly fitted insulation can cause damp, so quality matters. Use a TrustMark-registered installer working to the recognised standards, and make sure you get a written guarantee. Our insulation and home energy efficiency page explains the measures and what to look for.

What to do next

Check your eligibility on our home energy grants page and use a TrustMark-registered installer. If work has gone wrong, see home-improvement and insulation claims.

Sources

GOV.UK / Ofgem (Great British Insulation Scheme; Warm Homes: Local Grant);
TrustMark. Reviewed: 3 September 2026.