External wall insulation in Chatham
Every external wall insulation job in Chatham starts with a free survey of your walls: what they are built from, how they have weathered, and what the details around windows, eaves and services will need.
Homes in and around Chatham
Chatham is in the ME4 postcode district, about 8 miles from Maidstone. 6 other towns we cover are within 25 miles.
Our Chatham surveys cover the ME4 district and the surrounding area, including Gillingham, Rochester and Strood.
Most EWI failures start at the edges rather than the middle of a wall, so the quote for your Chatham home sets out how each detail will be built.
Nearby towns we cover: Gillingham (1 mile), Rochester (1 mile), Strood (2 miles), Maidstone (8 miles), Gravesend (8 miles), Sittingbourne (9 miles).
External wall insulation prices in Chatham
Guide prices for external wall insulation in Chatham 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 Chatham
- Wood fibre EWI
- Brick slip EWI
- Insulated cladding
- Mineral & silicate render
- Bungalow EWI
- Terraced house EWI
- Semi-detached EWI
- Detached house EWI
- Park home insulation
- EWI repairs
- All 24 services
Rules that apply in Chatham
- Building regulations
- Insulating more than half of a wall, or more than a quarter of the whole building envelope, counts as renovating a thermal element under the Building Regulations, so the wall should reach 0.30 W/m²K where that is technically, functionally and economically feasible, and building control must be involved.
- 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 Chatham: questions
How much should I budget for external wall insulation in Chatham?
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 Chatham and fixes the total in writing.
Do you cover Gillingham as well as Chatham?
Yes. From Chatham we also cover Gillingham, Rochester and Strood, and the rest of Kent.
How long will the work take in Chatham?
Two to six weeks on site for most houses, depending on size: bungalows are quicker, detached houses longer, weather allowing. Render isn't applied in rain or frost.