A new government-backed scheme cuts the interest rate on loans for heat pumps, solar and batteries — not a grant, but a subsidy that gets passed to you as a cheaper rate. Launches September 2026.
The ECO4 scheme can fund free insulation, heating controls and more for eligible UK households — but it closes on 31 December 2026, and the Warm Homes Plan that replaces it runs on different terms. Here’s exactly who qualifies, the two eligibility routes, and what to watch out for.
Everything you need to know about the ECO4 scheme before it closes in December 2026 — who qualifies, what’s covered, and how to apply for free insulation and heating upgrades.