External wall insulation in Ewell
Looking for external wall insulation in Ewell? We survey homes across Surrey and the KT17 postcode district, measure every wall and give you a fixed price in writing before any work is booked.
Homes in and around Ewell
Ewell is in the KT17 postcode district, about 14 miles from Woking. 6 other towns we cover are within 25 miles.
From Ewell we also cover Epsom (2 miles away), Sutton (2 miles) and Banstead (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: Epsom (2 miles), Sutton (2 miles), Banstead (3 miles), New Malden (4 miles), Surbiton (4 miles), Carshalton (4 miles).
External wall insulation prices in Ewell
Guide prices for external wall insulation in Ewell 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.
What moves the price most is the board and finish you choose, the access around the house, and details such as roofline extensions or moving a gas meter.
Popular services in Ewell
- EPS insulated render
- Phenolic EWI
- Brick slip EWI
- Insulated cladding
- Non-traditional houses
- Bungalow EWI
- Terraced house EWI
- Park home insulation
- Social housing EWI
- EWI surveys
- All 24 services
Rules that apply in Ewell
- 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 Ewell: questions
How much should I budget for external wall insulation in Ewell?
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 Ewell and fixes the total in writing.
Do you cover Epsom as well as Ewell?
Yes. From Ewell we also cover Epsom, Sutton and Banstead, and the rest of Surrey.
How long will the work take in Ewell?
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.