External wall insulation in Horley
Every external wall insulation job in Horley 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 Horley
Horley is in the RH6 postcode district, about 20 miles from Woking. 6 other towns we cover are within 25 miles.
Our Horley surveys cover the RH6 district and the surrounding area, including Crawley, Redhill and Reigate.
Most EWI failures start at the edges rather than the middle of a wall, so the quote for your Horley home sets out how each detail will be built.
Nearby towns we cover: Crawley (4 miles), Redhill (5 miles), Reigate (5 miles), East Grinstead (7 miles), Caterham (8 miles), Coulsdon (10 miles).
External wall insulation prices in Horley
Guide prices for external wall insulation in Horley 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 Horley
- EWI installation
- Phenolic EWI
- Wood fibre EWI
- Mineral & silicate render
- Pebbledash & dry dash EWI
- Solid wall insulation
- Bungalow EWI
- Social housing EWI
- EWI repairs
- EWI surveys
- All 24 services
Rules that apply in Horley
- Planning
- On a house, external wall insulation is usually permitted development if the finish looks similar to the existing walls. Render or cladding on a house in a conservation area, National Park, National Landscape (AONB), the Broads or a World Heritage Site needs planning permission. Flats and maisonettes have no householder permitted development rights, listed buildings need listed building consent, and an Article 4 direction can remove rights locally.
- 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 Horley: questions
How much should I budget for external wall insulation in Horley?
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 Horley and fixes the total in writing.
Is VAT charged on external wall insulation in Horley?
Not on installing insulation in a home at the moment: that's zero-rated until 31 March 2027, after which the rate is due to be 5%. Work on commercial buildings is standard-rated.
Do you cover Crawley as well as Horley?
Yes. From Horley we also cover Crawley, Redhill and Reigate, and the rest of Surrey.