External wall insulation in East Grinstead
External wall insulation in East Grinstead and across West Sussex, priced from a free survey and installed with photographs of every hidden detail.
Homes in and around East Grinstead
East Grinstead is in the RH19 postcode district, about 8 miles from Crawley. 6 other towns we cover are within 25 miles.
We arrange surveys in East Grinstead (RH19) at a time that suits you, and cover neighbouring Horley, Crawley and Crowborough too.
We photograph every hidden layer as it goes on, so you have a record of what's behind the finish on your East Grinstead home.
Nearby towns we cover: Horley (7 miles), Crawley (8 miles), Crowborough (9 miles), Haywards Heath (10 miles), Redhill (11 miles), Caterham (11 miles).
External wall insulation prices in East Grinstead
Guide prices for external wall insulation in East Grinstead 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 East Grinstead
- Mineral wool EWI
- Insulated cladding
- Insulating lime render
- Silicone render finish
- Bungalow EWI
- Terraced house EWI
- Detached house EWI
- Flats & low-rise blocks
- EWI for landlords
- Failed EWI remediation
- All 24 services
Rules that apply in East Grinstead
- 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 East Grinstead: questions
How much should I budget for external wall insulation in East Grinstead?
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 East Grinstead and fixes the total in writing.
Do you cover Horley as well as East Grinstead?
Yes. From East Grinstead we also cover Horley, Crawley and Crowborough, and the rest of West Sussex.
How long will the work take in East Grinstead?
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.