Available Energy Grants Right Now
The UK government currently funds several energy efficiency schemes that help homeowners cut energy bills and improve their homes for free. While Great British Energy (the new publicly-owned clean energy company) focuses on large-scale investment, these grants put money directly into homeowners' pockets.
ECO4 Scheme
Free insulation, boiler replacement, heating upgrades for eligible households on qualifying benefits.
Check ECO4 Eligibility →GBIS
Cavity wall & loft insulation for homes in council tax bands A-D, regardless of income.
Check GBIS Eligibility →Boiler Upgrade Scheme
Towards an air or ground source heat pump to replace gas/oil heating. Available to any homeowner.
Learn More →Solar Panel Incentives
Zero VAT on solar panels plus Smart Export Guarantee payments for excess energy.
Learn More →How Much Can You Save?
| Improvement | Grant Value | Annual Bill Saving | Scheme |
|---|---|---|---|
| Cavity wall insulation | Free | £200–£400 | GBIS / ECO4 |
| Loft insulation | Free | £150–£350 | GBIS / ECO4 |
| External wall insulation | Free (ECO4) | £300–£600 | ECO4 |
| Air source heat pump | £7,500 off | £300–£900 | BUS |
| Solar panels (4kW) | 0% VAT | £400–£800 | SEG + VAT relief |
| New boiler (A-rated) | Free (ECO4) | £200–£400 | ECO4 |
Combined savings: A household that gets free insulation and upgrades their heating system can save over £1,200 per year on energy bills.
Who is Eligible?
ECO4 — Broadest Eligibility
You may qualify if you:
- Receive Universal Credit, Pension Credit, Child Tax Credit, Income Support, JSA, or ESA
- Live in a home with an EPC rating of D, E, F, or G
- Are a homeowner or private/social tenant
- Live in a home built before 2002 (most qualify)
GBIS — Income-Independent Route
You may qualify regardless of income if:
- Your home is in council tax bands A-D (England/Wales)
- Your property has no existing cavity wall or loft insulation
- You're a homeowner or have landlord permission
Boiler Upgrade Scheme — Any Homeowner
Available to:
- Any homeowner in England or Wales
- Properties with a valid EPC (less than 10 years old)
- Replacing a fossil fuel heating system (gas, oil, LPG, electric)
Grant Deadlines 2026
GBIS Phase 1 Ends
The Great British Insulation Scheme's current phase closes — apply before March 31, 2026 to guarantee free insulation.
ECO4 Scheme Closes
ECO4 runs until March 2028, but funding is allocated on a first-come basis. Apply early to avoid missing out.
Boiler Upgrade Scheme Closes
The BUS has been extended to March 2028 with the increased £7,500 voucher amount.
GBIS closing March 2026: Free cavity wall and loft insulation won't be available much longer. Check if you qualify before the deadline.