Up to £7500 funding available for Homeowners, Private Tenants & Landlords.
The Energy Company Obligation (ECO) is a government scheme that requires energy companies to fund free home upgrades—like insulation and heating systems—for eligible UK households. The current phase, ECO4, runs until March 2026 and focuses on making homes more energy efficient to reduce fuel poverty and carbon emissions.
An energy-efficient home means:
It’s a win for your wallet, your health, and the environment.
Old boilers (10+ years) are often inefficient and expensive to run. Replacing them with a modern A-rated condensing boiler helps:
Under ECO4, you could get a new boiler completely free if you qualify.
No, ECO funding is not a loan. It’s a non-repayable grant—you don’t have to pay it back now or in the future.
No, if you qualify under ECO4, installation, equipment, and certification are all fully covered by the grant. You won’t pay a penny.
It’s easy! Just fill out our online form or contact us, and we’ll assess your eligibility. If you meet the criteria, we’ll handle everything from the survey to installation.
No – while benefit recipients qualify fastest, you may still be eligible if:
Get in touch to find out if your home qualifies
A condensing boiler recovers heat from waste gases that would otherwise be lost through the flue. This makes it much more efficient, using less fuel to heat your home and water—saving you money.
Yes! ECO grants are not tied to any specific supplier, so you’re free to switch energy providers at any time.
These are trusted sources supported by the government for free and unbiased guidance.
Thermo Insulation provides expert insulation services across the UK, helping homeowners improve energy efficiency, reduce heating costs, and create more comfortable living environments. Trusted by hundreds of satisfied customers.