External wall insulation in Salisbury
If you live in Salisbury (SP1) 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 Salisbury
Salisbury is in the SP1 postcode district. 6 other towns we cover are within 25 miles.
We arrange surveys in Salisbury (SP1) at a time that suits you, and cover neighbouring Andover, Totton and Southampton too.
We photograph every hidden layer as it goes on, so you have a record of what's behind the finish on your Salisbury home.
Nearby towns we cover: Andover (16 miles), Totton (17 miles), Southampton (20 miles), Eastleigh (21 miles), Winchester (21 miles), New Milton (22 miles).
External wall insulation prices in Salisbury
Guide prices for external wall insulation in Salisbury 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 Salisbury
- EWI installation
- EPS insulated render
- Mineral wool EWI
- Phenolic EWI
- Brick slip EWI
- Mineral & silicate render
- Semi-detached EWI
- Park home insulation
- EWI for landlords
- Failed EWI remediation
- All 24 services
Rules that apply in Salisbury
- 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 Salisbury: questions
How much should I budget for external wall insulation in Salisbury?
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 Salisbury and fixes the total in writing.
Do you cover Andover as well as Salisbury?
Yes. From Salisbury we also cover Andover, Totton and Southampton, and the rest of Wiltshire.
How long will the work take in Salisbury?
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.