External wall insulation in Norwich
Homeowners in Norwich look at external wall insulation for warmer rooms, lower heat loss and a new exterior in one job. Here is how it works, what it costs and which England rules apply.
Homes in and around Norwich
Norwich is in the NR2 postcode district. 2 other towns we cover are within 25 miles.
Most EWI failures start at the edges rather than the middle of a wall, so the quote for your Norwich home sets out how each detail will be built.
Nearby towns we cover: Great Yarmouth (18 miles), Lowestoft (22 miles).
External wall insulation prices in Norwich
Guide prices for external wall insulation in Norwich 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 Norwich
- EWI installation
- Phenolic EWI
- Insulating lime render
- Mineral & silicate render
- Non-traditional houses
- Terraced house EWI
- Detached house EWI
- Park home insulation
- Social housing EWI
- EWI repairs
- All 24 services
Rules that apply in Norwich
- 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 Norwich: questions
How much should I budget for external wall insulation in Norwich?
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 Norwich and fixes the total in writing.
Do you cover Great Yarmouth as well as Norwich?
Yes. From Norwich we also cover Great Yarmouth and Lowestoft, and the rest of Norfolk.
How long will the work take in Norwich?
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.