External wall insulation in Guildford
We cover Guildford and nearby Godalming for external wall insulation, with the survey, system choice, building control and finish all set out in one written quote.
Homes in and around Guildford
Guildford is in the GU1 postcode district, about 6 miles from Woking. 6 other towns we cover are within 25 miles.
From Guildford we also cover Godalming (4 miles away), Woking (6 miles) and Aldershot (8 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: Godalming (4 miles), Woking (6 miles), Aldershot (8 miles), Farnborough (9 miles), Farnham (10 miles), Camberley (10 miles).
External wall insulation prices in Guildford
Guide prices for external wall insulation in Guildford 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 Guildford
- EWI installation
- Phenolic EWI
- Bungalow EWI
- Terraced house EWI
- Park home insulation
- Flats & low-rise blocks
- Social housing EWI
- EWI for landlords
- EWI repairs
- EWI surveys
- All 24 services
Rules that apply in Guildford
- 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 Guildford: questions
How much should I budget for external wall insulation in Guildford?
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 Guildford and fixes the total in writing.
Is VAT charged on external wall insulation in Guildford?
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 Godalming as well as Guildford?
Yes. From Guildford we also cover Godalming, Woking and Aldershot, and the rest of Surrey.