Independent Information Service
Grant information is sourced from Ofgem, gov.uk, and official scheme publications. Eligibility criteria and funding availability can change. We are not a grant provider or government body. Always verify current eligibility through official channels.
Setting Honest Expectations
Boiler replacement grants are frequently advertised online as "free boilers for everyone." The reality is more nuanced. According to Ofgem and gov.uk, these grants typically cover:
- Repair or replacement of broken or inefficient boilers in low-income households
- Not upgrades for working systems in households that don't meet income or benefit criteria
- Eligibility is based on benefits received, property EPC rating, and household income
If your boiler is working and you are not on qualifying benefits, these grants are unlikely to apply to you. A standard boiler replacement from a Gas Safe engineer typically costs £2,000-£4,000.
Available Boiler Grants
ECO4 (Energy Company Obligation 4)
According to Ofgem, ECO4 is the main route for funded boiler work. Large energy suppliers are required to fund energy efficiency improvements for low-income and vulnerable households. For heating, this can include boiler repair, boiler replacement, or upgrade to a heat pump.
What's Covered
- Broken boiler repair or replacement
- Like-for-like gas boiler replacement
- Upgrade to heat pump (where suitable)
- Often bundled with insulation measures
Eligibility (according to Ofgem)
- Receiving qualifying benefits (e.g. Universal Credit, Pension Credit, Child Tax Credit)
- Property EPC rating D, E, F, or G
- Owner-occupier or private tenant
- Existing boiler broken or rated G/F on efficiency
Warm Homes Plan
According to gov.uk, the Warm Homes Plan is the government's broader strategy for improving home energy efficiency. It encompasses multiple funding streams including grants for insulation, heating upgrades, and comprehensive energy efficiency measures.
Specific funding is delivered through programmes like ECO4 and the Great British Insulation Scheme. The plan aims to upgrade homes to at least EPC band C where practical and cost-effective.
LA Flex (Local Authority Flexibility)
According to Ofgem, the LA Flex pathway allows local authorities to refer households that don't meet the standard ECO4 benefit criteria but are considered fuel-poor or vulnerable. This can include households on low income who don't claim benefits, or those with health conditions affected by cold housing.
Contact your local council to find out if they participate in LA Flex and what their specific criteria are, as these vary by area.
Check Your Boiler Grant Eligibility
Enter your postcode for an instant eligibility assessment for boiler replacement grants
Key Eligibility Factors:
- Low-income household
- Property EPC rating D-G
- Owner-occupier or private tenant
Get comprehensive property analysis with grant recommendations, savings estimates, and installer connections.
Full Property AnalysisThe Gas Boiler Phase-Out: What You Need to Know
According to gov.uk, gas boilers will be banned in new-build homes from 2035. This means all newly constructed properties from that date will need alternative heating — typically heat pumps. However, there is currently no ban on installing gas boilers in existing homes.
If your existing gas boiler breaks down, you can still replace it with another gas boiler. The government's approach is a gradual transition, with incentives like the Boiler Upgrade Scheme encouraging voluntary adoption of heat pumps rather than mandatory replacement.
For most homeowners, the practical advice is: maintain your current boiler, and when it needs replacing, consider both a new gas boiler and a heat pump. The best choice depends on your property type, insulation level, and budget.
What Does a Boiler Grant Actually Cover?
Boiler Repair
If your boiler can be repaired rather than replaced, the ECO4 scheme may fund the repair. This is assessed by the installer on a case-by-case basis.
Like-for-Like Replacement
A broken gas boiler can typically be replaced with a new, more efficient gas boiler. This is the most common outcome under ECO4 boiler grants.
Upgrade to Heat Pump
Where the property is suitable, ECO4 may fund an upgrade from a gas boiler to an air source heat pump. This requires adequate insulation and may involve additional work.
Check Your Boiler Grant Eligibility
Find out if you qualify for a boiler replacement grant. We'll check your eligibility and connect you with approved scheme providers in your area.
Free eligibility check. No obligation. We'll let you know if you qualify.
Related Guides
Boiler Costs
How much does a new boiler cost? Full price breakdown for combi, system, and regular boilers.
Read guideGas Boiler Ban
When is the gas boiler ban? What it means for homeowners and what your options are.
Read guideECO4 Scheme
The full ECO4 guide -- all measures covered, not just boilers. Insulation, heating, and more.
Read guideNeed Help With Your Boiler?
Whether you qualify for a grant or need to find a Gas Safe engineer for a private replacement, we can help you find the right solution.