The UK government offers several schemes to help homeowners improve energy efficiency and switch to renewable energy. In 2026, over £2 billion is available across multiple programmes.
Boiler Upgrade Scheme (BUS)
The most accessible grant for most homeowners, providing £7,500 toward heat pump installation.
- What it covers: £7,500 off an air or ground source heat pump installation
- Eligibility: Owner-occupied homes with a working heating system
- Process: Choose an approved installer, grant applied to your quote
- Timeline: Available throughout 2026
- Average cost after grant: £3,500-£5,500 for 4kW air source system
Smart Export Guarantee (SEG)
Earn money by exporting solar electricity to the grid.
- What it covers: Payments for surplus solar electricity exported to grid
- Rate: 4-6p per kWh (varies by supplier)
- Eligibility: Solar panel installations under 50kW
- How it works: Export meter tracks electricity sent to grid, payments credited monthly
- Typical income: £100-£200 annually from a 4kW system
OZEV Chargepoint Grant
£350 toward home EV charger installation.
- What it covers: £350 off approved home EV charger
- Eligibility: Any property with off-street parking (includes renters/flat owners with dedicated parking)
- Approved chargers: 7kW and 22kW models from major manufacturers
- Process: Approved installer deducts grant from your bill
- Average cost after grant: £450-£950 for typical 7kW installation
Read our full OZEV grant guide →
Energy Company Obligation (ECO4)
Free or subsidized insulation and heating improvements for eligible low-income households.
- What it covers: Loft insulation, cavity wall insulation, heating system upgrades
- Eligibility: Low-income households, typically those in fuel poverty
- Cost to householder: Often free, sometimes subsidized
- How to access: Contact energy suppliers or trusted installer networks
- Typical value: £2,000-£5,000 in improvements
Great British Insulation Scheme
Grants for home insulation improvements.
- What it covers: Loft insulation, cavity wall insulation, solid wall insulation (some cases)
- Eligibility: Property-based (varies by region, income sometimes considered)
- Grant level: £0-£5,000 depending on insulation type and eligibility
- How to apply: Through approved installers participating in scheme
- Timeline: Rolling programme through 2026
Grant Comparison Table
| Grant Scheme | Maximum Award | Application | Main Eligibility | Timeline |
|---|---|---|---|---|
| Boiler Upgrade Scheme | £7,500 | Via installer | Working heating system | 2026 ongoing |
| Smart Export Guarantee | Varies (annual) | Via energy supplier | Solar panels <50kW | Ongoing |
| OZEV Chargepoint | £350 | Via installer | Off-street parking | 2026 ongoing |
| ECO4 | Varies | Via supplier/installer | Fuel poverty/income | Ongoing |
| GBIS Insulation | £5,000 | Via installer | Property-based | 2026 rolling |
How to Claim Multiple Grants
You may be eligible for multiple grants on a single project. For example:
- Heat pump installation: Boiler Upgrade Scheme (£7,500)
- With solar panels: + SEG tariff income (£100-£200 annually)
- With EV charger: + OZEV grant (£350)
- Plus insulation work: + ECO4 or GBIS funding
Important Deadlines & Changes
2026 Updates: The Boiler Upgrade Scheme continues at £7,500. OZEV chargepoint grant confirmed for 2026. SEG tariff rates currently 4-6p/kWh. Check with suppliers for latest rates as they can change monthly.