External wall insulation in Redhill
Planning external wall insulation in Redhill? The answers below cover cost, timescales and the rules that apply in England; the free survey turns them into a fixed price for your house.

Homes in and around Redhill
Redhill is in the RH1 postcode district, about 18 miles from Woking. 6 other towns we cover are within 25 miles.
Nearby places we cover from Redhill include Reigate (2 miles), Horley (5 miles) and Caterham (5 miles), all in England.
Your quote will name the certified system, the board thickness and the calculated U-value for your walls, not a vague 'insulation package'.
Nearby towns we cover: Reigate (2 miles), Horley (5 miles), Caterham (5 miles), Coulsdon (6 miles), Banstead (6 miles), Purley (7 miles).
External wall insulation prices in Redhill
Guide prices for external wall insulation in Redhill 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 Redhill
- EPS insulated render
- Mineral wool EWI
- Phenolic EWI
- Insulated cladding
- Mineral & silicate render
- Solid wall insulation
- Bungalow EWI
- Terraced house EWI
- Social housing EWI
- Failed EWI remediation
- All 24 services
Rules that apply in Redhill
- 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 Redhill: questions
How much should I budget for external wall insulation in Redhill?
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 Redhill and fixes the total in writing.
Do you cover Reigate as well as Redhill?
Yes. From Redhill we also cover Reigate, Horley and Caterham, and the rest of Surrey.
How long will the work take in Redhill?
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.