External wall insulation in Derby
We cover Derby and nearby Belper for external wall insulation, with the survey, system choice, building control and finish all set out in one written quote.
Homes in and around Derby
Derby is in the DE1 postcode district. 6 other towns we cover are within 25 miles.
From Derby we also cover Belper (7 miles away), Ilkeston (8 miles) and Heanor (8 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: Belper (7 miles), Ilkeston (8 miles), Heanor (8 miles), Ripley (8 miles), Long Eaton (9 miles), Burton upon Trent (11 miles).
External wall insulation prices in Derby
Guide prices for external wall insulation in Derby 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 Derby
- EWI installation
- Wood fibre EWI
- Mineral & silicate render
- Pebbledash & dry dash EWI
- Solid wall insulation
- Non-traditional houses
- Flats & low-rise blocks
- EWI for landlords
- EWI repairs
- Failed EWI remediation
- All 24 services
Rules that apply in Derby
- 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 Derby: questions
How much should I budget for external wall insulation in Derby?
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 Derby and fixes the total in writing.
Do you cover Belper as well as Derby?
Yes. From Derby we also cover Belper, Ilkeston and Heanor, and the rest of Derbyshire.
How long will the work take in Derby?
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.