
Free Boiler Grant – Are You Eligible?
Are you struggling with an old, inefficient boiler costing you a fortune in high energy bills? Good news for UK Homeowners under the government backed ECO4 scheme, you may be eligible for a Free Boiler Grant to help you upgrade your home heating system free of cost without paying a penny.
Energy Company Obligation (ECO4) scheme is designed to help low-income households and benefit holders across the UK improve their home energy efficiency and carbon foot print. If you qualify for ECO4, you could have a brand-new A-rated boiler installed completely free of charge.
What is the Free Boiler Grant?
Free Boiler Grant is a government backed initiative under the Energy Company Obligation (ECO4) scheme. Its aim is to help low-income and benefit receipts reduce their energy consumption by upgrading inefficient heating systems, such as old gas boilers, to modern energy-efficient like system to combi swap or system to system with brand new heating system.
This grant is funded by the major energy suppliers in the UK and does not need to be repaid. If you qualify, your old boiler could be replaced completely free of charge, including installation and a full safety check from Gas Safe Engineers.
ECO4 Government Boiler Schemes in UK

Qualifying ECO4 Benefits List
What Type of Boilers Are Installed in ECO4?
If you’re eligible, you’ll typically receive a modern A-rated condensing boiler, Like Worchester Greenstar 4000 which is significantly more energy efficient. Some providers also offer air source heat pumps, depending on your home’s suitability and existing heating system.
All boilers installed under the scheme are:
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Gas Safe Registered
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Energy efficient and compliant with UK building regulations
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Covered with a manufacturer’s warranty (usually up to 10 years)
How Much Can You Save?
Upgrading from an G or F rated Properties with old inefficient boiler to an A-rated one can cut your annual heating bill by £300 to £600 or more, depending on your usage and home size.
Plus, since the new boiler is installed free, your upfront cost is £0, making this a cost-effective solution for families looking to reduce their energy bills.
How the Process Works
Applying for a free boiler grant is simple and hassle-free:
1. Check Your Eligibility
Complete a short online form with basic information about your household, income, and current heating system.
2. Home Energy Assessment
If eligible, a certified surveyor will arrange a free home energy survey to assess your property’s EPC rating and confirm boiler condition.
3. Boiler Installation
Once approved, a Gas Safe Registered engineer will fit your new boiler at a convenient time.
4. Start Saving
Enjoy a warmer home, better heating control, and significantly lower energy bills.
Why Apply for ECO4 Now?
ECO4 scheme runs until March 2026, but funding is limited and allocated on a first-come, first-served basis. As energy prices remain high, replacing an old boiler now can provide immediate financial relief.
Also, applying early gives you access to a wider choice of installers and faster turnaround times.