External wall insulation in Thornaby-on-Tees
Planning external wall insulation in Thornaby-on-Tees? The answers below cover cost, timescales and the rules that apply in England; the free survey turns them into a fixed price for your house.
Homes in and around Thornaby-on-Tees
Thornaby-on-Tees is in the TS17 postcode district. 6 other towns we cover are within 25 miles.
Nearby places we cover from Thornaby-on-Tees include Stockton-on-Tees (3 miles), Billingham (4 miles) and Middlesbrough (4 miles), all in England.
Your quote will name the certified system, the board thickness and the calculated U-value for your walls, not a vague 'insulation package'.
Nearby towns we cover: Stockton-on-Tees (3 miles), Billingham (4 miles), Middlesbrough (4 miles), Darlington (10 miles), Hartlepool (11 miles), Redcar (11 miles).
External wall insulation prices in Thornaby-on-Tees
Guide prices for external wall insulation in Thornaby-on-Tees 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.
Brick slips, cladding and mineral wool cost more than EPS and render; the survey shows you the difference side by side.
Popular services in Thornaby-on-Tees
- EWI installation
- Mineral wool EWI
- Phenolic EWI
- Wood fibre EWI
- Mineral & silicate render
- Non-traditional houses
- Terraced house EWI
- Semi-detached EWI
- Park home insulation
- EWI surveys
- All 24 services
Rules that apply in Thornaby-on-Tees
- 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 Thornaby-on-Tees: questions
How much should I budget for external wall insulation in Thornaby-on-Tees?
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 Thornaby-on-Tees and fixes the total in writing.
Do you cover Stockton-on-Tees as well as Thornaby-on-Tees?
Yes. From Thornaby-on-Tees we also cover Stockton-on-Tees, Billingham and Middlesbrough, and the rest of North Yorkshire.
Which EWI system suits homes in Thornaby-on-Tees?
It depends on the walls. Most brick houses in Thornaby-on-Tees 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.