Home insulation grants: guides & comparisons
Plain-English guides on which schemes are open, who qualifies, what it really costs and how to avoid the scams — written to correct the muddle you’ll find elsewhere, and dated for July 2026. We’re an independent guide, not an installer.
How to Spot Insulation Grant Scams (2026 Guide)
Cold calls promising "free grants", spray-foam pushers and fake "ECO5" offers — how to tell a real UK insulation grant from a scam in 2026.
Read guide → eligibilityInsulation Grants If You Are Not on Benefits
Not on benefits? You may still get funded insulation via ECO4 Flex, the Warm Homes: Local Grant income route, Home Energy Scotland and 0% VAT.
Read guide → external wall insulationEWI Defects and TrustMark Find & Fix: Check Your Install
Around 98% of grant-funded external wall insulation jobs had defects. How to check whether your EWI needs a free TrustMark Find & Fix audit.
Read guide → spray foamSpray Foam Insulation: Why to Be Careful
Spray-foam loft insulation can block mortgages and is excluded from the HES Grant. What to check, PAS 2035/TrustMark, and safer funded alternatives.
Read guide → warm-homes-local-grantThe Warm Homes: Local Grant, Explained
England-only Warm Homes: Local Grant explained — EPC D-G plus income, benefit or postcode routes, what it funds and how to apply via your council.
Read guide → ECO4Is There an ECO5? The Honest Answer
No, there is no ECO5. The November 2025 Budget confirmed no successor to ECO4. Here is what is really happening with insulation grants.
Read guide → GBISGBIS Has Closed: What Replaced the Insulation Scheme
The Great British Insulation Scheme closed on 31 March 2026. Here is what GBIS was, why the checker is gone, and the live grants that replaced it by UK nation.
Read guide → eco4ECO4 Extended to December 2026: What It Means
ECO4 did not close in March 2026 — it was extended to 31 December 2026. What the 9-month extension means for households, and how to apply.
Read guide →