External wall insulation in Sevenoaks
External wall insulation in Sevenoaks and across Kent, priced from a free survey and installed with photographs of every hidden detail.
Homes in and around Sevenoaks
Sevenoaks is in the TN13 postcode district, about 14 miles from Maidstone. 6 other towns we cover are within 25 miles.
We arrange surveys in Sevenoaks (TN13) at a time that suits you, and cover neighbouring Tonbridge, Swanley and Royal Tunbridge Wells too.
We photograph every hidden layer as it goes on, so you have a record of what's behind the finish on your Sevenoaks home.
Nearby towns we cover: Tonbridge (6 miles), Swanley (9 miles), Royal Tunbridge Wells (10 miles), Caterham (12 miles), Bexley (12 miles), Dartford (12 miles).
External wall insulation prices in Sevenoaks
Guide prices for external wall insulation in Sevenoaks 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.
Whole-house prices include standard scaffolding, beads, sills and refitting services; unusual access, footpath licences and wall repairs are quoted separately.
Popular services in Sevenoaks
- Mineral wool EWI
- Phenolic EWI
- Brick slip EWI
- Insulated cladding
- Mineral & silicate render
- Pebbledash & dry dash EWI
- Terraced house EWI
- Park home insulation
- Social housing EWI
- EWI surveys
- All 24 services
Rules that apply in Sevenoaks
- Funding
- Low-income households in homes rated below EPC C can apply for Warm Homes: Local Grant where their council is taking part. The Great British Insulation Scheme closed on 31 March 2026, and ECO4 closes on 31 December 2026; its final months are for finishing and putting right existing work. Grant schemes use their own approved installers, so check a scheme's installer rules before booking; our quotes are for privately funded work unless we confirm otherwise in writing. Grants guide
- 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 Sevenoaks: questions
How much should I budget for external wall insulation in Sevenoaks?
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 Sevenoaks and fixes the total in writing.
Do you cover Tonbridge as well as Sevenoaks?
Yes. From Sevenoaks we also cover Tonbridge, Swanley and Royal Tunbridge Wells, and the rest of Kent.
Which EWI system suits homes in Sevenoaks?
It depends on the walls. Most brick houses in Sevenoaks suit EPS with silicone render; older stone or lime-built walls suit wood fibre or insulating lime render; and blocks need mineral wool. The free survey recommends one and explains why.