External wall insulation in Wrexham
If you live in Wrexham (LL13) and your walls are solid, system-built or simply cold, external wall insulation may be the most effective upgrade you can make without losing any room inside.

Homes in and around Wrexham
Wrexham is in the LL13 postcode district. 5 other towns we cover are within 25 miles.
We arrange surveys in Wrexham (LL13) at a time that suits you, and cover neighbouring Rhosllannerchrugog, Buckley and Hawarden too.
In exposed parts of Clwyd, 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: Rhosllannerchrugog (4 miles), Buckley (9 miles), Hawarden (10 miles), Deeside (11 miles), Flint (15 miles).
External wall insulation prices in Wrexham
Guide prices for external wall insulation in Wrexham 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 Wrexham
- EWI installation
- EPS insulated render
- Mineral wool EWI
- Pebbledash & dry dash EWI
- Solid wall insulation
- Bungalow EWI
- Detached house EWI
- Park home insulation
- EWI repairs
- Failed EWI remediation
- All 24 services
Rules that apply in Wrexham
- 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 Wrexham: questions
How much should I budget for external wall insulation in Wrexham?
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 Wrexham and fixes the total in writing.
Do you cover Rhosllannerchrugog as well as Wrexham?
Yes. From Wrexham we also cover Rhosllannerchrugog, Buckley and Hawarden, and the rest of Clwyd.
How long will the work take in Wrexham?
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.