External wall insulation in Perth
If you live in Perth (PH1) 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 Perth
Perth is in the PH1 postcode district. 6 other towns we cover are within 25 miles.
We arrange surveys in Perth (PH1) at a time that suits you, and cover neighbouring Blairgowrie, Glenrothes and Dundee too.
We photograph every hidden layer as it goes on, so you have a record of what's behind the finish on your Perth home.
Nearby towns we cover: Blairgowrie (14 miles), Glenrothes (17 miles), Dundee (18 miles), Kirkcaldy (22 miles), Dunfermline (22 miles), Alloa (24 miles).
External wall insulation prices in Perth
Guide prices for external wall insulation in Perth 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 Perth
- Mineral wool EWI
- Phenolic EWI
- Brick slip EWI
- Insulating lime render
- Silicone render finish
- Pebbledash & dry dash EWI
- Non-traditional houses
- Park home insulation
- EWI for landlords
- EWI repairs
- All 24 services
Rules that apply in Perth
- Building regulations
- An external wall insulation cladding system on a house normally needs a building warrant under the Building (Scotland) Regulations; only minor like-for-like repairs to an existing system are exempt. Section 6 of the technical handbooks sets the energy standards.
- 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 Perth: questions
How much should I budget for external wall insulation in Perth?
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 Perth and fixes the total in writing.
Do you cover Blairgowrie as well as Perth?
Yes. From Perth we also cover Blairgowrie, Glenrothes and Dundee, and the rest of Perth and Kinross.
How long will the work take in Perth?
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.