External wall insulation in Richmond
Planning external wall insulation in Richmond? The answers below cover cost, timescales and the rules that apply in England; the free survey turns them into a fixed price for your house.
Homes in and around Richmond
Richmond is in the TW9 postcode district, about 8 miles from London. 6 other towns we cover are within 25 miles.
Nearby places we cover from Richmond include Isleworth (2 miles), Hounslow (2 miles) and Barnes (3 miles), all in England.
Your quote will name the certified system, the board thickness and the calculated U-value for your walls, not a vague 'insulation package'.
Nearby towns we cover: Isleworth (2 miles), Hounslow (2 miles), Barnes (3 miles), Chiswick (3 miles), Heston (3 miles), Acton (4 miles).
External wall insulation prices in Richmond
Guide prices for external wall insulation in Richmond run from about £109 to £175 per square metre installed, depending on system and finish; scaffolding priced per house, with VAT at 0% on homes until 31 March 2027.
The final figure depends on wall area, the number of windows and doors, the finish and how much work the roofline, sills and services need.
Popular services in Richmond
- EWI installation
- Wood fibre EWI
- Non-traditional houses
- Terraced house EWI
- Detached house EWI
- Flats & low-rise blocks
- Social housing EWI
- EWI for landlords
- EWI repairs
- Failed EWI remediation
- All 24 services
Rules that apply in Richmond
- Funding
- Low-income households in homes rated below EPC C can apply for Warm Homes: Local Grant where their council is taking part. The Great British Insulation Scheme closed on 31 March 2026, and ECO4 closes on 31 December 2026; its final months are for finishing and putting right existing work. Grant schemes use their own approved installers, so check a scheme's installer rules before booking; our quotes are for privately funded work unless we confirm otherwise in writing. Grants guide
- VAT
- Installing insulation in a home is zero-rated for VAT until 31 March 2027, then 5%.
Checked October 2026. Rules change, so we confirm them for your address at survey.
External wall insulation in Richmond: questions
How much should I budget for external wall insulation in Richmond?
Budget around £109–£175 per square metre of wall for the system and finish, plus scaffolding priced per house. The survey measures your walls in Richmond and fixes the total in writing.
Do you cover Isleworth as well as Richmond?
Yes. From Richmond we also cover Isleworth, Hounslow and Barnes, and the rest of Greater London.
Which EWI system suits homes in Richmond?
It depends on the walls. Most brick houses in Richmond suit EPS with silicone render; older stone or lime-built walls suit wood fibre or insulating lime render; and blocks need mineral wool. The free survey recommends one and explains why.