External wall insulation in Greenwich
We cover Greenwich and nearby Blackheath for external wall insulation, with the survey, system choice, building control and finish all set out in one written quote.
Homes in and around Greenwich
Greenwich is in the SE10 postcode district, about 5 miles from London. 6 other towns we cover are within 25 miles.
From Greenwich we also cover Blackheath (1 miles away), Canary Wharf (2 miles) and Catford (2 miles).
Whatever the exposure of your street, the details at sills, eaves and the base of the wall are what keep an EWI system dry, and we draw them before work starts.
Nearby towns we cover: Blackheath (1 mile), Canary Wharf (2 miles), Catford (2 miles), Peckham (3 miles), Canning Town (3 miles), Eltham (3 miles).
External wall insulation prices in Greenwich
Guide prices for external wall insulation in Greenwich 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.
Bays, gables, conservatory junctions and narrow side passages take longer than plain walls, so the survey prices your actual house rather than an average.
Popular services in Greenwich
- EWI installation
- EPS insulated render
- Insulated cladding
- Silicone render finish
- Mineral & silicate render
- Non-traditional houses
- Terraced house EWI
- Park home insulation
- EWI repairs
- Failed EWI remediation
- All 24 services
Rules that apply in Greenwich
- 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 Greenwich: questions
How much should I budget for external wall insulation in Greenwich?
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 Greenwich and fixes the total in writing.
Do you cover Blackheath as well as Greenwich?
Yes. From Greenwich we also cover Blackheath, Canary Wharf and Catford, and the rest of Greater London.
Which EWI system suits homes in Greenwich?
It depends on the walls. Most brick houses in Greenwich 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.