Energy Grants in Croydon

Energy Grants & Fuel Poverty in Croydon

Croydon is south London's largest borough by population and has an unusually diverse housing stock. The town centre's high-rise developments contrast sharply with the leafy 1930s suburbs of Purley, Sanderstead, and Selsdon. It's the suburban semi-detached belt that presents the biggest energy efficiency opportunity — tens of thousands of properties with original unfilled cavity walls, single-glazed bay windows, and uninsulated lofts.

LA Flex and the Warm Homes: Local Grant are particularly relevant in Croydon, where many homeowners don't qualify for ECO4 on income grounds but live in poorly insulated properties — these routes let the council set its own criteria, so households that miss the standard benefit tests can still qualify. The Great British Insulation Scheme (GBIS), which previously reached many of Croydon's 1930s suburbs on a council tax band basis, closed to new applications on 31 March 2026; ECO4 and LA Flex are now the live routes. The council estimates around 40,000 Croydon properties could benefit from free or subsidised cavity wall and loft insulation — among the largest potential targets in London.

An estimated 40,000 Croydon properties could benefit from free or subsidised insulation through ECO4 and LA Flex — among the largest potential targets in London.

How ECO4 Is Delivered in Croydon

Despite Croydon Council's well-documented financial challenges (the council effectively declared bankruptcy in 2020), the borough's energy advice services have been maintained through partnerships with Croydon Voluntary Action and a network of community organisations. These partners deliver LA Flex assessments, energy advice, and ECO4 referrals in the most deprived wards — New Addington, Fieldway, and Broad Green — where fuel poverty is highest. The community-based delivery model has proved resilient to council budget cuts because it relies on voluntary sector capacity rather than council staff.

Available Grants in Croydon

Residents in the London Borough of Croydon area can access several government-funded energy efficiency schemes:

ECO4 Scheme

The ECO4 provides 100% free energy improvements to qualifying households. In Croydon, 2,760 measures installed to date. Most common: Cavity wall insulation (39%).

Great British Insulation Scheme (GBIS)

The GBIS closed to new applications on 31 March 2026 — if you don't claim benefits, check LA Flex and the Warm Homes: Local Grant instead. Until it closed, GBIS provided free or subsidised insulation to properties in council tax bands A-D. No means test required.

Boiler Upgrade Scheme (BUS)

£7,500 towards an air source heat pump or £5,000 towards ground source. Available to all homeowners with a valid EPC.

Warm Home Discount

£150 discount on your electricity bill each winter.

EPC Ratings in Croydon

Analysis of 128,400 EPC certificates in Croydon:

47% of properties rated D-G — around the national average. Fuel poverty: 12.4% (19,500 households), close to the national average of 13.1%.

Housing Stock

157,200 households. Common construction: 1930s suburban semis with cavity walls, average build year 1948.

Most Common ECO4 Measures

2,760 installations to date:

• Cavity wall insulation
• Loft insulation
• Boiler replacement
• Draught-proofing

Average annual saving: £560

LA Flex Eligibility — Croydon

Local Installers

16 TrustMark-registered and 5 MCS-certified installers serving Croydon. Key areas: Thornton Heath, South Norwood, New Addington, Broad Green, Waddon

Croydon Energy Strategy

Climate Crisis Commission recommended street-by-street insulation. Partnership with Croydon Voluntary Action for community energy advice.

How to Apply

1. Check eligibility — use our checker
2. Get matched with TrustMark installers in Croydon
3. Free survey — assessor recommends measures
4. Installation — at no cost, usually 4-8 weeks

Contact London Borough of Croydon: https://www.croydon.gov.uk/environment/energy or 020 8726 6000

FAQs — Croydon