What is ECO4?
An overview of the Energy Company Obligation scheme, how it funds free insulation and heating upgrades for low-income and vulnerable UK households.
Who is eligible for ECO4?
The eligibility criteria for ECO4 funding, including income thresholds, qualifying benefits, SAP rating requirements and LA Flex referral routes.
What upgrades are covered?
The insulation, heating and renewable energy measures funded under ECO4, including loft insulation, cavity wall insulation, solid wall insulation, boiler replacements and heat pumps.
How to apply for ECO4
How to apply for ECO4 funding, whether you go through your energy supplier, a local authority or an installer, and what the process looks like.
LA Flex & ECO4
How Local Authority Flex allows councils to refer additional households into ECO4, what the expanded eligibility criteria look like and how to check your council participates.
ECO4 vs Great British Insulation Scheme
The differences between ECO4 and the Great British Insulation Scheme, which one you are more likely to qualify for and whether you can benefit from both.
How energy suppliers deliver ECO4
How the obligation works, which energy suppliers participate, how they appoint installers and what quality standards apply to ECO4 work.
Quality standards & PAS 2035
The PAS 2035 retrofit standards that apply to ECO4 installations, what a retrofit assessment involves and how this protects you from poor-quality work.
Common ECO4 issues
Problems homeowners encounter with ECO4, including long waiting times, unsuitable measures being proposed, contractor quality and how to escalate complaints.
Frequently asked questions
Answers to the most common questions about ECO4, including private tenants, homeowners with no benefits, new builds and what happens if your property changes hands.