Last updated: 1 April 2026

London · Energy Grants Guide

Energy Grants in Royal

Free insulation, solar panels, heat pumps and boiler replacements available to eligible households in the Royal Borough of Greenwich area. 30.0% of local properties may qualify. Check your eligibility below.

Available Grants in Royal

Residents in the Royal Borough of Greenwich area can access several government-funded energy efficiency schemes. Here's what's currently available:

ECO4 Scheme

The Energy Company Obligation (ECO4) provides 100% free energy improvements to households receiving qualifying benefits. Measures include loft insulation, cavity wall insulation, solid wall insulation, boiler replacements, solar panels, and air source heat pumps. Your property needs an EPC rating of D, E, F, or G.

Great British Insulation Scheme (GBIS)

The GBIS provides free or heavily subsidised insulation to properties in council tax bands A-D (England). No means test is required — eligibility is based on your property, not your income.

Boiler Upgrade Scheme (BUS)

The Boiler Upgrade Scheme offers £7,500 towards an air source heat pump or £5,000 towards a ground source heat pump. Available to all homeowners in England and Wales with a valid EPC certificate.

Warm Home Discount

A £150 discount on your electricity bill each winter. Most eligible households receive this automatically.

EPC Ratings in Royal

Based on our analysis of 100 recent EPC assessments in the Royal Borough of Greenwich area:

30.0%
ECO4 Eligible (D-G)
30
of 100 Assessed
76m²
Avg Floor Area

Rating Distribution

A
0.0%
B
20.0%
C
50.0%
D
29.0%
E
0.0%
F
0.0%
G
1.0%

30.0% of assessed properties in this area have an EPC rating of D or below, making them potentially eligible for ECO4 energy improvements. This is around the national average.

Property Types

TypeShare
Flat50.0%
House44.0%
Maisonette5.0%
Bungalow1.0%

LA Flex Eligibility — Royal

Even if you don't receive qualifying benefits, you may still qualify for ECO4 through the Local Authority Flexible Eligibility (LA Flex) route. Each council sets its own criteria.

Royal Borough of Greenwich — LA Flex

Greenwich's Warmer Greenwich programme provides LA Flex referrals alongside free energy advice. Focus on high-rise blocks in Thamesmead and Plumstead.

How to Apply

  1. Check your eligibility — Enter your postcode above or use our eligibility checker
  2. Get matched with installers — We'll connect you with TrustMark-registered, PAS 2030/2035-certified installers in Royal
  3. Free home survey — An assessor visits to evaluate your property and recommend measures
  4. Installation — Approved contractors carry out the work, usually within 4-8 weeks

📋 Sources & Data

Disclaimer: Great British Energy is an independent information service. We are not affiliated with Royal Borough of Greenwich or Great British Energy (gbe.gov.uk). EPC data represents a sample of assessed properties and may not reflect the full local housing stock. Content last reviewed: 4 March 2026.

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