External wall insulation in Gorseinon
Every external wall insulation job in Gorseinon starts with a free survey of your walls: what they are built from, how they have weathered, and what the details around windows, eaves and services will need.
Homes in and around Gorseinon
Gorseinon is in the SA4 postcode district, about 5 miles from Swansea. 6 other towns we cover are within 25 miles.
Our Gorseinon surveys cover the SA4 district and the surrounding area, including Llanelli, Swansea and Ammanford.
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: Llanelli (5 miles), Swansea (5 miles), Ammanford (9 miles), Briton Ferry (10 miles), Neath (10 miles), Maesteg (17 miles).
External wall insulation prices in Gorseinon
Guide prices for external wall insulation in Gorseinon 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 Gorseinon
- EWI installation
- Mineral wool EWI
- Phenolic EWI
- Wood fibre EWI
- Brick slip EWI
- Insulated cladding
- Insulating lime render
- Solid wall insulation
- Flats & low-rise blocks
- Failed EWI remediation
- All 24 services
Rules that apply in Gorseinon
- 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 Gorseinon: questions
How much should I budget for external wall insulation in Gorseinon?
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 Gorseinon and fixes the total in writing.
Do you cover Llanelli as well as Gorseinon?
Yes. From Gorseinon we also cover Llanelli, Swansea and Ammanford, and the rest of West Glamorgan.
How long will the work take in Gorseinon?
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.