External wall insulation in Caterham
If you live in Caterham (CR3) and your walls are solid, system-built or simply cold, external wall insulation may be the most effective upgrade you can make without losing any room inside.
Homes in and around Caterham
Caterham is in the CR3 postcode district, about 21 miles from Woking. 6 other towns we cover are within 25 miles.
We arrange surveys in Caterham (CR3) at a time that suits you, and cover neighbouring Coulsdon, Purley and Redhill too.
We photograph every hidden layer as it goes on, so you have a record of what's behind the finish on your Caterham home.
Nearby towns we cover: Coulsdon (4 miles), Purley (4 miles), Redhill (5 miles), South Croydon (6 miles), Banstead (6 miles), Reigate (6 miles).
External wall insulation prices in Caterham
Guide prices for external wall insulation in Caterham 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.
Brick slips, cladding and mineral wool cost more than EPS and render; the survey shows you the difference side by side.
Popular services in Caterham
- EPS insulated render
- Mineral wool EWI
- Silicone render finish
- Bungalow EWI
- Semi-detached EWI
- Detached house EWI
- Park home insulation
- EWI repairs
- Failed EWI remediation
- EWI surveys
- All 24 services
Rules that apply in Caterham
- 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 Caterham: questions
How much should I budget for external wall insulation in Caterham?
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 Caterham and fixes the total in writing.
Do you cover Coulsdon as well as Caterham?
Yes. From Caterham we also cover Coulsdon, Purley and Redhill, and the rest of Surrey.
How long will the work take in Caterham?
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.