So far, more than 2.3 million homes across the UK have had a house upgrade under the energy scheme provided by the government, providing energy bill savings of over £1,000 yearly. If you are overburdened by unbearable energy bills or you are sandwiched between outdated boiler systems, the ECO4 Boiler Grant is the most straightforward house heating and home budget that you should consider.
The ECO4 Boiler scheme is designed to make sure the above-mentioned house heating concerns do not come to reality. The government-based energy saving scheme provides free boiler replacements and energy-efficient improvements grants to every eligible household in the UK.
Find out how you can also join the thousands of homeowners to reduce their house heating bill, thus increasing their comfort levels.

What is the ECO4 Boiler Grant?
The ECO4 Boiler Grant is part of the Energy Company Obligation (ECO) scheme, which is expected to run until March 2026 in the UK. The government-focused programme offers free energy efficiency to eligible households with no payment requirements.
The renewables initiative covers the following households:
- Free Boiler Replacements with A-rated condensing boilers
- Central heating system installation for homes that have no heating system
- Air source heat pump upgrades
- Wall and loft upgrades
The grant targets UK homeowners, tenants, and pensioners who are recipients of government benefits or meet specific criteria. These are not loans or offer payment plans, but a 100% government-funded process through its convenient platforms such as freenewboiler.org.uk.

ECO4 Boiler Grant Eligibility Requirements
Who Can Qualify for the Government Boiler Replacement in the UK?
The government has designed this scheme to support those who are the backbone of the UK economy. Therefore, you can qualify for the grant if you have:
- Pension Credit
- Universal Credit
- Income Support
- Child Tax Credit
- To be eligible, you should either own your home or rent it from a private landlord with their consent, live in England, Scotland, or Wales, and have an EPC rating of E, F, or G, or no central heating.
The eligibility process is intentionally designed to be simple and hassle-free. Book your free eligibility assessment today and learn what home upgrades you qualify for.

How ECO4 Boiler Grants Improve Home Energy Efficiency?
Government Boiler Replacement UK – fully funded facility upgrades radically improve the performance and savings of a new boiler: These affordable installations fast-track the UK government’s net-zero targets and pay back into your pocket.
| Old Boiler Rating | New A-Rated Boiler | Efficiency Gain | Annual Savings |
| G-rated (60-70%) | A-rated (90%+) | 20-30% improvement | £1,000+ |
| F-rated (70-80%) | A-rated (90%+) | 10-20% improvement | £600-800 |
| E-rated (80-86%) | A-rated (90%+) | 4-10% improvement | £300-500 |
Don’t forget to complete a brief eligibility assessment. It only takes approximately 180 seconds, less than making a cup of tea.
Start Your Journey to Lower Energy Bills
More than 50,000 households in the UK have already done it – with the ECO4 Boiler Scheme, they saved millions on energy bills and reduced their carbon footprint. Now, it is your turn. Do not put up with the same inefficient heating system next winter – apply for a boiler replacement now, thanks to the ECO4 Boiler Replacement Scheme. A greener future and a warmer home are just one click away.



