UK 2026 / Reviewed October 2026

UK boiler grants 2026

Two main schemes can reduce the cost of replacing your heating in 2026: ECO4 (for households on qualifying benefits, running until 31 December 2026) and the Boiler Upgrade Scheme (£7,500 grant for a heat pump, not a gas boiler). Plus the Warm Home Discount and local authority schemes for additional support.

The two main schemes

ECO4 scheme

Free boiler possible

Funded by energy suppliers under an Ofgem-administered obligation, until 31 December 2026. For households on qualifying benefits (such as Universal Credit, Pension Credit, Housing Benefit, or Child Benefit within income caps) in an EPC D-G home. A broken efficient boiler is replaced only if it cannot be economically repaired.

Full eligibility guide →

Boiler Upgrade Scheme

£7,500

£7,500 grant for air source or ground source heat pumps, £2,500 for air-to-air, £5,000 for biomass boilers in rural off-gas properties. Not gas boilers. England and Wales. Applied for by the MCS certified installer.

Full BUS guide →

Other support routes

Warm Home Discount

£150 one-off discount on your winter electricity bill, applied by your energy supplier. Eligibility tied to Pension Credit Guarantee Credit (Core Group) or low income + high energy costs (Broader Group). Not a boiler grant but reduces overall heating cost burden. gov.uk/the-warm-home-discount-scheme

Local authority grants

Many UK local councils offer their own boiler / energy efficiency grants funded via Home Upgrade Grant (HUG2) or LADS (Local Authority Delivery Scheme). Eligibility varies by council; often means-tested. Find your local council at gov.uk/find-local-council.

Home Upgrade Grant (HUG2)

For off-gas-grid homes with energy bills over £1,500 per year on EPC D-G with low income. Funded centrally by DESNZ and delivered by local authorities. Includes insulation + heat pump + low-carbon heating.

GBE-Help to Heat / Scotland equivalent

Devolved equivalents in Scotland (Home Energy Scotland Grant + Loan), Wales (Nest scheme), Northern Ireland (Affordable Warmth + Boiler Replacement Scheme). Each has its own eligibility rules; start at your devolved government's energy efficiency page.

Not grant-eligible? See finance options for 0% spread-cost routes from £30/month.