External wall insulation in Bexley
Looking for external wall insulation in Bexley? We survey homes across Greater London and the DA5 postcode district, measure every wall and give you a fixed price in writing before any work is booked.

Homes in and around Bexley
Bexley is in the DA5 postcode district, about 13 miles from London. 6 other towns we cover are within 25 miles.
From Bexley we also cover Welling (2 miles away), Dartford (3 miles) and Swanley (3 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: Welling (2 miles), Dartford (3 miles), Swanley (3 miles), Eltham (4 miles), Thamesmead (4 miles), Blackheath (6 miles).
External wall insulation prices in Bexley
Guide prices for external wall insulation in Bexley 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 Bexley
- EWI installation
- EPS insulated render
- Brick slip EWI
- Insulating lime render
- Pebbledash & dry dash EWI
- Non-traditional houses
- Bungalow EWI
- Social housing EWI
- EWI for landlords
- EWI repairs
- All 24 services
Rules that apply in Bexley
- 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 Bexley: questions
How much should I budget for external wall insulation in Bexley?
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 Bexley and fixes the total in writing.
Do you cover Welling as well as Bexley?
Yes. From Bexley we also cover Welling, Dartford and Swanley, and the rest of Greater London.
How long will the work take in Bexley?
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.