ECO4 (Energy Company Obligation)
- Amount or basis
- Assessment based
- Countries
- England, Wales, Scotland
Who it is for
Lower-income and vulnerable households in inefficient homes, through participating energy suppliers or local-authority flexible eligibility
What it can cover
Whole-home energy-efficiency and heating measures selected after assessment
Important detail
ECO4 has been extended to 31 December 2026. It is not a general air-conditioning grant and does not promise a fixed package. The supplier or delivery partner assesses the household and property, then selects eligible measures under the scheme rules.
Check the official source ↗Request installer introductions
If your project includes AC, solar or a qualifying heat pump, tell us about the property. We can review the request and look for a suitable installer route. The scheme or approved installer confirms all funding decisions.
No grant or installer introduction is guaranteed.