How-to ยท Updated May 2026

How to Get a Warm Homes Plan Grant for a Boiler (2026 UK)

The 2026 UK Warm Homes Plan can fund a free or part-funded boiler replacement worth ยฃ500-ยฃ5,500 for eligible households. Two routes: council route (means-tested, broader eligibility) or energy supplier route via ECO4 / Great British Insulation Scheme (faster, narrower). To qualify you typically need to be on a means-tested benefit OR earn under £31,000 household, AND live in an EPC E/F/G band home, AND have a boiler over 8 years old or with a confirmed fault. This guide walks the full application step-by-step โ€” paperwork checklist, typical timelines, and the three reasons most claims get rejected.

ยฃ500-ยฃ5,500 grant Two routes 4-10 week approval
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Six Steps to a Successful Application

1. Confirm eligibility upfront

Means-tested benefits (UC, Pension Credit, ESA, Working Tax Credit) auto-qualify on income. Sub-ยฃ31,000 household income with EPC E/F/G also qualifies via LA Flex route. Get this checked first.

2. Get a current EPC

A valid (10 yr) EPC at E/F/G is mandatory. ยฃ60-ยฃ120 if you do not have one. If your EPC is D or above the grant is rarely available unless on full benefits.

3. Pick a route: council or supplier

Council route is broader and slower (6-10 weeks). Energy supplier route is faster (4-6 weeks) but tied to their installer panel and capped funding pots.

4. Get a survey from an approved installer

PAS 2030 / TrustMark installer must survey and submit the grant claim. They confirm boiler is over 8 yrs old, broken, or inefficient.

5. Submit paperwork

Benefits letter (within last 12 months), Council Tax bill, EPC, ID, photos of existing boiler. Energy supplier route may also need bills.

6. Approval and install

Approval letter arrives 4-10 weeks after submission. Install booked 2-6 weeks after approval. Typical job: 1-2 days. Payment goes installer-direct โ€” you never see the cash.

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Common Questions

Yes โ€” £7,500 BUS for the heat pump, plus Warm Homes Plan can stack on top for radiators and pipework upgrades in some councils.
No. Any A-rated combi or system boiler from a TrustMark-listed installer qualifies. Common choices: Worcester, Vaillant, Ideal, Baxi.
LA Flex route โ€” council discretion if you are under ยฃ31,000 household income AND in EPC E/F/G. Council pots vary by area.
Yes, if it is 8+ years old or G-rated. Installer survey confirms. Boilers that are working but inefficient still qualify.
Three reasons: EPC not at E/F/G, benefits letter out of date, or property tenure mismatched (private rental rules differ).
Yes, with landlord written consent. The landlord may need to contribute ยฃ500-ยฃ1,500 unless on the lowest EPC band.

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