Working file G1
Boiler Upgrade Scheme 2026
Boiler Upgrade Scheme 2026: amount, eligibility, sunset and stacking with the other live grants.
The grant
£7,500to£7,500(ASHP or GSHP). £5,000 for a biomass boiler in rural eligible cases. Paid to the MCS-certified installer who deducts it from the homeowner invoice.
Eligibility
- Owner-occupier or private-rented property in England and Wales.
- Valid Energy Performance Certificate (less than 10 years old).
- No outstanding cavity-wall or loft insulation recommendations on the EPC, unless exempted.
- Replacing fossil-fuel heating system.
Process and timeline
Installer applies on the homeowner's behalf via the Ofgem BUS portal. Voucher issued in 5 working days; valid for 3 months; commissioning paperwork submitted within 3 months of install.
Run dates
Funded to March 2028 in the current spending envelope; treat 2028 as the planning horizon for the current scheme.
Surveyed 22 June 2026. Ofgem Q3 2026 cap applied (gas 7.33p, elec 26.11p, gas standing 29.04p). Next scheduled review 26 September 2026 (Q4 cap publication). [ref G1]
By Oliver Wakefield-Smith, Founder, Digital Signet. Corrections to oliver at digitalsignet dot com.