External wall insulation in Edmonton
Looking for external wall insulation in Edmonton? We survey homes across Greater London and the N18 postcode district, measure every wall and give you a fixed price in writing before any work is booked.

Homes in and around Edmonton
Edmonton is in the N18 postcode district, about 9 miles from London. 6 other towns we cover are within 25 miles.
From Edmonton we also cover Tottenham (2 miles away), Enfield Town (2 miles) and Chingford (3 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: Tottenham (2 miles), Enfield Town (2 miles), Chingford (3 miles), Walthamstow (3 miles), Wood Green (3 miles), Woodford Green (4 miles).
External wall insulation prices in Edmonton
Guide prices for external wall insulation in Edmonton 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.
Whole-house prices include standard scaffolding, beads, sills and refitting services; unusual access, footpath licences and wall repairs are quoted separately.
Popular services in Edmonton
- Wood fibre EWI
- Mineral & silicate render
- Terraced house EWI
- Semi-detached EWI
- Detached house EWI
- Park home insulation
- Flats & low-rise blocks
- Social housing EWI
- EWI repairs
- Failed EWI remediation
- All 24 services
Rules that apply in Edmonton
- 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 Edmonton: questions
How much should I budget for external wall insulation in Edmonton?
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 Edmonton and fixes the total in writing.
Do you cover Tottenham as well as Edmonton?
Yes. From Edmonton we also cover Tottenham, Enfield Town and Chingford, and the rest of Greater London.
Which EWI system suits homes in Edmonton?
It depends on the walls. Most brick houses in Edmonton 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.