Free insulation, boiler upgrades, and heat pumps for low-income households
The ECO4 (Energy Company Obligation 4) scheme is one of the most generous energy grants available in the UK. It requires energy suppliers to fund free energy efficiency measures for low-income and vulnerable households. Eligible works include loft insulation, cavity wall insulation, solid wall insulation, first-time central heating, boiler replacements, and air source heat pumps.
Confirm you receive a qualifying benefit. Check your most recent award letter.
Look up your property at epcregister.com. If unknown, ask your energy supplier for a free assessment.
Call your energy supplier or apply online. They will arrange a free home survey.
A surveyor visits to assess what measures are suitable for your property's construction.
All approved measures are installed at no cost to you. Typical timeline is 4–8 weeks.
After works, your energy rating will significantly improve, reducing bills.
Yes — private and social renters can qualify, but your landlord must agree to the works being carried out.
Your local council may still be able to refer you under LA Flex if you have a low income or are in vulnerable circumstances.
There is no fixed cap. The average award is around £6,000–£10,000 but some households receive up to £15,000 of work.
Yes — your home needs to be rated D, E, F, or G. Properties rated A, B, or C are considered already efficient.
Takes 2 minutes. No account needed. We'll also show you every other grant you're eligible for.
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