External wall insulation in Truro
Looking for external wall insulation in Truro? We survey homes across Cornwall and the TR1 postcode district, measure every wall and give you a fixed price in writing before any work is booked.
Homes in and around Truro
Truro is in the TR1 postcode district. 6 other towns we cover are within 25 miles.
From Truro we also cover Falmouth (8 miles away), Redruth (8 miles) and Newquay (10 miles).
Cornwall has some of the UK's more exposed locations for wind-driven rain, which shapes the render and detailing we specify.
Nearby towns we cover: Falmouth (8 miles), Redruth (8 miles), Newquay (10 miles), Camborne (11 miles), St Austell (13 miles), Bodmin (20 miles).
External wall insulation prices in Truro
Guide prices for external wall insulation in Truro 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.
What moves the price most is the board and finish you choose, the access around the house, and details such as roofline extensions or moving a gas meter.
Popular services in Truro
- Phenolic EWI
- Wood fibre EWI
- Silicone render finish
- Mineral & silicate render
- Pebbledash & dry dash EWI
- Solid wall insulation
- Non-traditional houses
- Flats & low-rise blocks
- EWI for landlords
- EWI surveys
- All 24 services
Rules that apply in Truro
- Funding
- Low-income households in homes rated below EPC C can apply for Warm Homes: Local Grant where their council is taking part. The Great British Insulation Scheme closed on 31 March 2026, and ECO4 closes on 31 December 2026; its final months are for finishing and putting right existing work. Grant schemes use their own approved installers, so check a scheme's installer rules before booking; our quotes are for privately funded work unless we confirm otherwise in writing. Grants guide
- 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 Truro: questions
How much should I budget for external wall insulation in Truro?
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 Truro and fixes the total in writing.
Do you cover Falmouth as well as Truro?
Yes. From Truro we also cover Falmouth, Redruth and Newquay, and the rest of Cornwall.
Which EWI system suits homes in Truro?
It depends on the walls. Most brick houses in Truro suit EPS with silicone render; older stone or lime-built walls suit wood fibre or insulating lime render; and blocks need mineral wool. The free survey recommends one and explains why.