If your boiler has broken down or is very old, you may be able to get it repaired or replaced free, usually if someone in your home gets a benefit or your income is low. Some schemes will only fit a heat pump instead of a new gas boiler.
Checked against each scheme's official page. Last updated 2 November 2026.
Grant · Northern Ireland · Department for Communities, run by the Northern Ireland Housing Executive
Up to £7,500, or up to £10,000 for solid wall insulation
A grant of up to £7,500 (or £10,000 for solid wall homes) for insulation, draught proofing, a new oil or gas heating system or boiler, and replacing single glazed windows.
Who can get it: Homeowners and private tenants in Northern Ireland with a total gross household income under £23,000 a year.
Grant · England, Wales · Ofgem, for DESNZ
£7,500 off an air source or ground source heat pump (£9,000 if you are off the gas grid and replacing oil or LPG, until 31 March 2027); £2,500 off an air-to-air heat pump; £5,000 off a biomass boiler.
A grant taken off the price when you replace a gas, oil, LPG or electric heating system with a heat pump or biomass boiler. Your installer claims it for you.
Who can get it: Owners of homes or small business buildings in England and Wales, including landlords and second homes, who are replacing fossil fuel or old electric heating. No income test.
Grant · England, Wales, Northern Ireland · Your local council
Up to £30,000 in England (Wales up to £36,000, Northern Ireland up to £25,000); some councils give more
A council grant to adapt your home for a disabled person, which can include a heating system suited to their needs or easier-to-use heating controls.
Who can get it: Owners, tenants or landlords where a disabled person (including a child) lives or will live in the home for the grant period, usually 5 years.
Grant · England, Wales, Scotland · Your local council (declarations) with energy suppliers · Closing
Usually free insulation or heating upgrades through ECO4.
Lets your council refer you for ECO4 help even if you do not get benefits, for example if you are on a low income or vulnerable to the cold. The same Flex Route 2 test can also qualify you for the Warm Homes: Local Grant.
Who can get it: Private households (owners and private tenants) that meet their council's published Statement of Intent, usually low income or a health condition made worse by cold.
Grant · England, Wales, Scotland · Large energy suppliers, regulated by Ofgem · Closing
Usually free; you may be asked for a contribution.
Free or cheaper insulation and heating upgrades paid for by energy suppliers for low-income and vulnerable households. It is closing and no new scheme will replace it.
Who can get it: People on certain benefits in privately owned (EPC D to G) or privately rented (EPC E to G) homes, social tenants in EPC E to G homes, and people referred by their council under ECO Flex.
Grant · Northern Ireland · Utility Regulator, administered by Energy Saving Trust, delivered by named scheme managers
Fully funded, no cost to you
A free new A-rated oil or gas boiler or central heating (or high heat retention storage heaters), with cavity wall and loft insulation, plus small extras like LED bulbs, smart heating controls and draught proofing. One scheme also does solid wall insulation.
Who can get it: Homeowners in Northern Ireland on a single income under £28,000, or a couple or single parent family under £35,000, who have no central heating, solid fuel heating, a boiler over 15 years old or broken, or old Economy 7 heaters.
Grant · Northern Ireland · Utility Regulator, administered by Energy Saving Trust, delivered by named scheme managers
60% of heating cost paid, insulation free
60% off a new gas or oil central heating system or high heat retention storage heaters, with free cavity wall and loft insulation. You pay the other 40% of the heating cost.
Who can get it: Homeowners and private tenants in Northern Ireland on a single income under £45,000, or a couple or single parent family under £50,000, with no central heating, solid fuel, an oil or LPG boiler over 15 years old or broken, or old Economy 7 heaters.
Grant · Northern Ireland · Department for Communities · Opening
Not yet announced
A new main scheme for making private homes warmer and cheaper to heat, planned to replace the Affordable Warmth Scheme. Details of what it pays for are not yet final.
Who can get it: Low income households in private homes in Northern Ireland. Final rules not yet published.
Grant · Wales · Welsh Government (run by British Gas, with advice from Energy Saving Trust)
Free package of improvements, no fixed limit published
A free package of home improvements chosen for your home after a visit, such as a heat pump, insulation and solar panels. If you have no working heating or hot water, it may repair or replace your boiler or electric storage heaters.
Who can get it: People in Wales who own their home or rent from a private landlord, get a means-tested benefit or have a low household income, and live in a home with a poor energy rating.
Grant · Scotland · Scottish Government, through Home Energy Scotland and Warmworks
Most or all costs paid, often worth £10,000 or more
Free home improvements such as wall and loft insulation, draught proofing, new heating (storage heaters, a gas boiler or an air source heat pump) and home renewables. Support is often worth £10,000 or more.
Who can get it: Homeowners and private tenants in Scotland with a poor energy rating, where someone in the home gets a qualifying benefit, is 75 or over with no working heating, or is terminally ill.
Free advice · Scotland · Age Scotland (charity)
Free advice and free CO alarms
A free helpline that helps older people in Scotland with energy bills, boilers, smart meters and benefit checks.
Who can get it: Older people, their carers and families in Scotland.
Put in your postcode and answer a few optional questions to see which of these you look eligible for.
