In this article we cover:
- Available grants and financial supports for homeowners and self-builders in Greater London
- Boiler Upgrade Scheme – funding to help install heat pumps and biomass boilers
- Great British Insulation Scheme – support for eligible households to cut energy bills through insulation upgrades
- Warm Homes Local Grant – assistance for energy-saving improvements in both gas and off-grid properties
- Council-backed grants – funding for home energy efficiency works and support for disabled residents across Greater London
Boiler Upgrade Scheme (BUS)
- Receive up to £7,500 towards the cost of installing a heat pump, or £5,000 for a biomass boiler.
- Aims to help homeowners switch to low-carbon heating solutions.
- Find out more from GOV.UK.
Great British Insulation Scheme (GBIS)
- Offers free or discounted insulation for homes with an EPC rating of D or below, and Council Tax bands A–D.
- Designed to lower energy bills and improve home comfort.
- Find our more: GOV.UK Great British Insulation scheme
Warm Homes: Local Grant
- Provides free energy saving upgrades for low income, mains gas or off grid households.
- Energy performance upgrades: up to £15,000 for insulation, draughtproofing, double/triple glazing, solar PV and battery storage – aiming to reach EPC Band C.
- Low carbon heating: up to £15,000 for air or ground source heat pumps, particularly for off grid homes using oil or coal.
- Find out more: GOV.UK Warm Homes: Local Grant
Energy Company Obligation (ECO4)
- Offers support for insulation and heating upgrades, including boiler and radiator replacements.
- Eligibility: households with income below £31,000, health conditions or EPC ratings of D–G.
- More information from: GOV.UK
Disabled Facilities Grant
- Provides financial assistance up to £30,000 for essential adaptations to help residents live independently.
- Eligibility: homeowners or tenants requiring adaptations like stairlifts, level access showers or ramps.
- More information: GOV.UK Disabled Facilities Grant page.
Pick your London Borough and find out more about grants in your local area.
- Barking and Dagenham Borough
- Barnet Borough
- Bexley Borough
- Brent Borough
- Bromley Borough
- Camden Borough
- City of London Borough
- Croydon Borough
- Ealing Borough
- Enfield Borough
- Greenwich Borough
- Hackney Borough
- Hammersmith and Fulham Borough
- Haringey Borough
- Harrow Borough
- Havering Borough
- Hillingdon Borough
- Hounslow Borough
- Islington Borough
- Kensington and Chelsea Borough
- Kingston upon Thames Borough
- Lambeth Borough
- Lewisham Borough
- Merton Borough
- Newham Borough
- Redbridge Borough
- Richmond upon Thames Borough
- Southwark Borough
- Sutton Borough
- Tower Hamlets Borough
- Waltham Forest Borough
- Wandsworth Borough
- Westminster Borough
This list covers main energy and home improvement grants available in the Greater London area for self-building or renovating. For full details and latest updates, check individual Borough Council websites.










