External wall insulation in Canterbury
We cover Canterbury and nearby Whitstable for external wall insulation, with the survey, system choice, building control and finish all set out in one written quote.
Homes in and around Canterbury
Canterbury is in the CT1 postcode district, about 24 miles from Maidstone. 6 other towns we cover are within 25 miles.
From Canterbury we also cover Whitstable (6 miles away), Herne Bay (7 miles) and Faversham (9 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: Whitstable (6 miles), Herne Bay (7 miles), Faversham (9 miles), Ashford, Kent (13 miles), Folkestone (14 miles), Deal (14 miles).
External wall insulation prices in Canterbury
Guide prices for external wall insulation in Canterbury 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 Canterbury
- EWI installation
- EPS insulated render
- Phenolic EWI
- Wood fibre EWI
- Brick slip EWI
- Insulating lime render
- Silicone render finish
- Solid wall insulation
- Detached house EWI
- Flats & low-rise blocks
- All 24 services
Rules that apply in Canterbury
- 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 Canterbury: questions
How much should I budget for external wall insulation in Canterbury?
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 Canterbury and fixes the total in writing.
Do you cover Whitstable as well as Canterbury?
Yes. From Canterbury we also cover Whitstable, Herne Bay and Faversham, and the rest of Kent.
Which EWI system suits homes in Canterbury?
It depends on the walls. Most brick houses in Canterbury 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.