External wall insulation in Newtown
We cover Newtown and nearby Welshpool for external wall insulation, with the survey, system choice, building control and finish all set out in one written quote.
Homes in and around Newtown
Newtown is in the SY16 postcode district. 2 other towns we cover are within 25 miles.
Powys 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: Welshpool (12 miles), Llandrindod Wells (19 miles).
External wall insulation prices in Newtown
Guide prices for external wall insulation in Newtown 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 Newtown
- EWI installation
- EPS insulated render
- Silicone render finish
- Mineral & silicate render
- Solid wall insulation
- Terraced house EWI
- Detached house EWI
- Flats & low-rise blocks
- EWI repairs
- EWI surveys
- All 24 services
Rules that apply in Newtown
- Funding
- Warm Homes Nest provides free improvements to low-income owner-occupiers and private tenants, and the Green Homes Wales pilot has offered interest-free loans to households above those thresholds. ECO4 closes on 31 December 2026. These schemes use their own approved installers; 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 Newtown: questions
How much should I budget for external wall insulation in Newtown?
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 Newtown and fixes the total in writing.
Do you cover Welshpool as well as Newtown?
Yes. From Newtown we also cover Welshpool and Llandrindod Wells, and the rest of Powys.
Which EWI system suits homes in Newtown?
It depends on the walls. Most brick houses in Newtown 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.