Commercial EWI · Clwyd
Commercial and public building EWI in Wrexham
Looking for commercial external wall insulation in Wrexham? We survey homes across Wrexham and the LL11 area, then give you a fixed written price before any work starts. For commercial premises in Wrexham, we programme the work around opening hours so the building can keep trading.
- Free survey in LL11 and nearby
- Guide price from £110 per m² + scaffold, + VAT
- Fixed written price before work starts
Free survey in Wrexham
Postcode, service and a phone number is all we need.
What you get
- Programmes phased around opening hours and term dates
- Non-combustible systems where use or height requires them
- Planning applications supported with drawings and finish samples
- Colour and texture options to suit brand or setting

Local considerations in Wrexham
We also cover Rhosllanerchrugog and Buckley, close to Wrexham. North Wales has many solid stone and slate-built homes, Victorian seaside terraces and post-war council estates.
Exposure to wind-driven rain varies across Clwyd: sheltered town streets fare better than walls on high ground or facing the prevailing weather, and the render, beads and cill details are chosen with that in mind.
Schools and community buildings around Wrexham are usually phased by elevation, with noisy stages in holidays where possible.
- Postcode district
- LL11
- County or area
- Clwyd
- Nation
- Wales
- Nearby
- Rhosllanerchrugog, Buckley, Hawarden, Deeside
Wales: planning and regulations
For homes in Wrexham, the local planning authority decides any borderline cases; changing a brick house to render, or work on flats, usually needs an application in Wales.
Building control in Wales applies to most insulation and re-rendering jobs of this size; the quote states who submits the notice.
Wales applies its own external wall fire rules, updated in 2025; on taller residential buildings we specify non-combustible mineral wool systems.
Does commercial EWI need planning permission?
Generally yes — permitted development rights for external wall changes are written for houses. Applications need elevations showing the projection, finish and colours, and details at eaves and openings.
Commercial and public building EWI prices in Wrexham
| Item | Guide price | Notes |
|---|---|---|
| Insulated render system | £110–£200 per m²+ VAT | Priced on survey |
| Render refurbishment without insulation | £55–£95 per m²+ VAT | Silicone or mineral |
| Access and scaffold | Per building | Includes edge protection |
Confirmed by a fixed written quote after survey. Business prices shown before VAT, which is added at 20%. Buildings used solely for a relevant charitable purpose can qualify for 0% on insulation.
What happens next
Enquiry
Send your postcode and a few details.
Measured survey
Walls, damp, eaves, cills and services recorded.
Written price
A fixed price with the specification attached.
Work and handover
Installed, inspected and documents handed over.
Commercial EWI in Wrexham: questions
Is VAT 0% on commercial insulation?
Usually not. The zero rate covers insulation installed in residential accommodation and, since 1 February 2024, buildings used solely for a relevant charitable purpose, such as many charity-run village halls. Other commercial work is standard-rated.
Do you provide a maintenance plan?
Yes — the handover includes the system documents and recommended inspection and cleaning intervals.
Can the building stay open during the works?
Usually, yes. The work is phased and the scaffold layout keeps entrances and escape routes clear.
Do you cover Wrexham?
Yes — we survey and quote commercial external wall insulation in Wrexham (LL11) and nearby Rhosllanerchrugog, Buckley and Hawarden, with a fixed written price before any work starts.