retrofitcost.co.ukA surveyor's working file. Q4 2026 Ofgem cap applied.
Home/Grants
Working file G0

Retrofit grants UK 2026

Live UK retrofit grants in 2026: Boiler Upgrade Scheme £7,500, ECO4 (closing 31 Dec 2026), GBIS, 0% VAT to March 2027, Warm Homes Plan incoming.

Grant stack ladder
  1. Boiler Upgrade Scheme£7,500 ASHP / GSHP (£9,000 oil/LPG off-grid to Mar 2027), £5,000 biomass, £2,500 air-to-airOwner-occupier / private rented, MCS installer (no EPC precondition since Apr 2026)Live
  2. ECO4 (closing 31 Dec 2026)Whole-house £8k to £12k typicalLow-income, health condition, LA FlexClosing soon
  3. Great British Insulation SchemeSingle measure, £1.2k to £1.8k typicalEPC D-G, Council Tax A-D EnglandLive
  4. 0% VAT energy-saving materialsSaved on installer invoiceUK-wide to 31 March 2027Live
  5. Warm Homes Plan + LoanTBC, £5bn envelopeEarly 2027Incoming
Surveyed 1 October 2026. Ofgem cap for 1 October to 31 December 2026 applied (gas 7.97p, elec 26.32p, gas standing 29.68p, elec standing 54.83p). Next scheduled review 25 November 2026 (January cap announcement). [ref G0]
By Oliver Wakefield-Smith, Founder, Digital Signet. Corrections to oliver at digitalsignet dot com.