External wall insulation in Brecon
Planning external wall insulation in Brecon? The answers below cover cost, timescales and the rules that apply in Wales; the free survey turns them into a fixed price for your house.
Homes in and around Brecon
Brecon is in the LD3 postcode district. 6 other towns we cover are within 25 miles.
Nearby places we cover from Brecon include Merthyr Tydfil (14 miles), Ebbw Vale (14 miles) and Aberdare (16 miles), all in Wales.
In exposed parts of Powys, 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: Merthyr Tydfil (14 miles), Ebbw Vale (14 miles), Aberdare (16 miles), Rhondda (20 miles), Llandrindod Wells (20 miles), Pontypool (22 miles).
External wall insulation prices in Brecon
Guide prices for external wall insulation in Brecon 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 Brecon
- EWI installation
- Insulated cladding
- Silicone render finish
- Mineral & silicate render
- Solid wall insulation
- Non-traditional houses
- Bungalow EWI
- Terraced house EWI
- Flats & low-rise blocks
- EWI repairs
- All 24 services
Rules that apply in Brecon
- 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 Brecon: questions
How much should I budget for external wall insulation in Brecon?
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 Brecon and fixes the total in writing.
Do you cover Merthyr Tydfil as well as Brecon?
Yes. From Brecon we also cover Merthyr Tydfil, Ebbw Vale and Aberdare, and the rest of Powys.
How long will the work take in Brecon?
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.