External wall insulation in Neath
Homeowners in Neath look at external wall insulation for warmer rooms, lower heat loss and a new exterior in one job. Here is how it works, what it costs and which Wales rules apply.
Homes in and around Neath
Neath is in the SA11 postcode district, about 7 miles from Swansea. 6 other towns we cover are within 25 miles.
Our Neath surveys cover the SA11 district and the surrounding area, including Briton Ferry, Swansea and Maesteg.
In exposed parts of West Glamorgan, we pay particular attention to how rain is shed at the eaves, sills and corners, where wind-driven water finds its way in.
Nearby towns we cover: Briton Ferry (2 miles), Swansea (7 miles), Maesteg (7 miles), Gorseinon (10 miles), Ammanford (12 miles), Bridgend (15 miles).
External wall insulation prices in Neath
Guide prices for external wall insulation in Neath 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 Neath
- EWI installation
- Phenolic EWI
- Mineral & silicate render
- Solid wall insulation
- Bungalow EWI
- Terraced house EWI
- Detached house EWI
- Flats & low-rise blocks
- EWI for landlords
- Failed EWI remediation
- All 24 services
Rules that apply in Neath
- Building regulations
- Wales has its own Building Regulations and Approved Document L. Renovating a large part of an external wall brings the energy standards into play, so building control approval is needed for EWI.
- 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 Neath: questions
How much should I budget for external wall insulation in Neath?
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 Neath and fixes the total in writing.
Do you cover Briton Ferry as well as Neath?
Yes. From Neath we also cover Briton Ferry, Swansea and Maesteg, and the rest of West Glamorgan.
How long will the work take in Neath?
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.