Sustainable Warmth
Funding for off-gas homes
The Sustainable Warmth Fund channels HUG (Home Upgrade Grant) and LAD money to low-income households off the gas grid. Insulation, low-carbon heating, fully funded.
- Off the gas grid
- EPC D, E, F or G
- Low household income
Sustainable Warmth Fund
How Sustainable Warmth works
If your home isn't on mains gas - typically oil, LPG, electric, or solid fuel - and you're in a low-income household, the Sustainable Warmth Fund covers the upgrade.
Local authorities deliver the funding. The measures and the package value depend on your council's allocation, but a full retrofit is often in scope.
Check eligibility - free
OFF-GAS
HOMES
FULLY FUNDED
What's Included
What the grant covers
Every measure designed around your home, lodged with TrustMark, and certified for the funder.
Insulation
Loft, cavity, solid-wall (internal or external), floor - whatever the retrofit design calls for.
Low-carbon heating
Air source heat pumps as a primary replacement for oil, LPG and electric heating systems.
Solar PV (in some packages)
Where the council includes solar in their package, we fit a system sized to the home and lodge it for EPC uplift.
Eligibility
Who qualifies?
Most eligible households are surprised how straightforward it is. We confirm in minutes - no paperwork from you to start.
Off the gas grid
Your primary heating must be oil, LPG, electric, or solid fuel - not mains gas.
EPC D, E, F or G
The home must have an EPC rating of D or below. We can arrange a fresh EPC if needed.
Low household income
Generally combined household income below £36,000, though councils set local criteria.
Owner-occupied or private rented
Both tenures eligible. Landlords need to consent in writing and may need to contribute in some areas.
How It Works
Three steps to funded
From eligibility check to installed in weeks, not months.
Eligibility check
We confirm postcode, fuel type, income band and tenure against your local council's published criteria.
Retrofit assessment
PAS 2035 whole-house survey. We design the measure package, lodge it for funder approval.
Install & sign-off
Measures fitted, EPC updated, TrustMark certificate issued, paperwork lodged with the council.
Real homes, real grants
Warmer homes, lower bills, fully funded.
We've handled thousands of grant applications. We know what qualifies, what doesn't, and exactly what the funder needs to see.
Check your eligibilityCommon Questions
FAQ
Sustainable Warmth is targeted at off-gas homes. If you're on mains gas, ECO4 is usually the right route instead.
Off-gas home? Check if you qualify.
Free eligibility check. Fully funded for qualifying households.