Great British Insulation Scheme checker
Quick answer
The Great British Insulation Scheme (GBIS) funds insulation in less efficient homes in lower Council Tax bands. It is broader than ECO4 and does not always require benefits.
What the scheme is
A government scheme delivered by energy suppliers, focused primarily on a single insulation measure per home.
Who may qualify?
- EPC D-G property
- Lower Council Tax band (A-D in England, A-E in Scotland and Wales)
- Households on qualifying benefits within a low-income group are also covered
Not sure where you stand?
Get a free, no-obligation eligibility summary in under a minute.
What insulation may be covered?
- Loft insulation
- Cavity wall insulation
- Solid wall insulation
- Room-in-roof insulation
How it differs from ECO4
ECO4 focuses on lower-income and vulnerable households and supports multiple measures including heating. GBIS is broader on income but typically funds only one main measure per home.
DisclaimerThis page is for guidance only and does not guarantee eligibility. Final approval depends on the relevant scheme provider, local authority, installer assessment and property survey.
Frequently asked questions
Can I use both GBIS and ECO4?
You normally fall under one route per measure. An installer can advise.
Is solid wall insulation funded under GBIS?
Yes, but contributions may apply.
Do I need to switch energy suppliers?
No. GBIS is delivered across suppliers.
How does my EPC affect eligibility?
Most major schemes prioritise EPC D-G homes. If your rating is unknown, you can still use our checker and confirm later.
Does this checker guarantee funding?
No. It is a guidance tool. Final eligibility is confirmed by the relevant scheme provider, council or approved installer.
Check what you may qualify for
A free 60-second guided check covering ECO4, Warm Homes, insulation, heat pumps and solar.
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