External wall insulation in Grays
If you live in Grays (RM17) 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 Grays
Grays is in the RM17 postcode district, about 17 miles from Southend-on-Sea. 6 other towns we cover are within 25 miles.
We arrange surveys in Grays (RM17) at a time that suits you, and cover neighbouring South Ockendon, Gravesend and Dartford too.
We photograph every hidden layer as it goes on, so you have a record of what's behind the finish on your Grays home.
Nearby towns we cover: South Ockendon (3 miles), Gravesend (3 miles), Dartford (5 miles), Stanford-le-Hope (6 miles), Hornchurch (7 miles), Bexley (8 miles).
External wall insulation prices in Grays
Guide prices for external wall insulation in Grays 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 Grays
- Phenolic EWI
- Brick slip EWI
- Insulated cladding
- Silicone render finish
- Non-traditional houses
- Semi-detached EWI
- Park home insulation
- EWI for landlords
- Failed EWI remediation
- EWI surveys
- All 24 services
Rules that apply in Grays
- 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 Grays: questions
How much should I budget for external wall insulation in Grays?
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 Grays and fixes the total in writing.
Is VAT charged on external wall insulation in Grays?
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 South Ockendon as well as Grays?
Yes. From Grays we also cover South Ockendon, Gravesend and Dartford, and the rest of Essex.