External wall insulation in Tonbridge
If you live in Tonbridge (TN9) 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 Tonbridge
Tonbridge is in the TN9 postcode district, about 12 miles from Maidstone. 6 other towns we cover are within 25 miles.
We arrange surveys in Tonbridge (TN9) at a time that suits you, and cover neighbouring Royal Tunbridge Wells, Sevenoaks 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 Tonbridge home.
Nearby towns we cover: Royal Tunbridge Wells (4 miles), Sevenoaks (6 miles), Crowborough (10 miles), Maidstone (12 miles), East Grinstead (13 miles), Swanley (15 miles).
External wall insulation prices in Tonbridge
Guide prices for external wall insulation in Tonbridge 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.
Bays, gables, conservatory junctions and narrow side passages take longer than plain walls, so the survey prices your actual house rather than an average.
Popular services in Tonbridge
- EPS insulated render
- Mineral wool EWI
- Wood fibre EWI
- Brick slip EWI
- Insulated cladding
- Bungalow EWI
- Semi-detached EWI
- Detached house EWI
- Flats & low-rise blocks
- EWI for landlords
- All 24 services
Rules that apply in Tonbridge
- 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 Tonbridge: questions
How much should I budget for external wall insulation in Tonbridge?
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 Tonbridge and fixes the total in writing.
Do you cover Royal Tunbridge Wells as well as Tonbridge?
Yes. From Tonbridge we also cover Royal Tunbridge Wells, Sevenoaks and Crowborough, and the rest of Kent.
How long will the work take in Tonbridge?
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.