Millions qualify and don’t even know it.
Millions qualify and don’t even know it.
ECO4 is a government-backed grant scheme designed to help UK households improve energy efficiency—completely free of charge if you qualify. It covers upgrades like insulation, new boilers, first-time central heating, solar panels, and more.
The aim? To cut your energy bills, reduce carbon emissions, and make homes warmer and healthier—especially for low-income or vulnerable households.
It’s a limited-time opportunity, with funding ending soon. If you’re eligible, you could save £300–£800 a year without spending a penny. Don’t miss out
Eligible households can receive free upgrades, including:
These improvements can save up to £300–£750 per year on energy bills.
To qualify, the home must qualify and one resident must meet just one of the following:
Plus:
The home must be energy inefficient – we’ll check this for you during the assessment.
Eligible households can receive free upgrades, including:
These improvements can save up to £300–£750 per year on energy bills.
To qualify, the home must qualify and one resident must meet just one of the following:
Plus:
The home must be energy inefficient – we’ll check this for you during the assessment.
We keep the process simple and stress-free from start to finish:
“Slide Left and Right to Compare”
One of the most straight forward ways to make savings on your energy bills is through insulation which can make a significant difference.
Your Energy account
Your Energy account
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.
Join thousands of UK residents who have transformed their homes through our hassle-free grant process.
I was really impressed with the team’s professionalism, especially their plastering work and the way they treated my home. They were tidy, respectful, and always cleaned up after themselves—even hoovering at the end of long days. They communicated well and never made me feel judged about the state of the damp that was present before. I felt completely at ease coming home every day. Honestly, I have no complaints—just wish I’d done it sooner. Thank you to the whole team for being so patient during a difficult time in my li
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.