Commercial EWI · Hampshire
Commercial and public building EWI in Southampton
From Southampton to Hythe, we price commercial external wall insulation after a measured survey — no guesswork, and no work starts until the price is agreed in writing. We provide drawings and finish samples for planning applications on Southampton commercial buildings.
- Free survey in SO15 and nearby
- Guide price from £110 per m² + scaffold, + VAT
- Fixed written price before work starts
Free survey in Southampton
Postcode, service and a phone number is all we need.
Part of every quote
- Contract roles under CDM 2015 agreed at the start
- Clear handover file with system documentation
- Programmes phased around opening hours and term dates
- Colour and texture options to suit brand or setting
Local considerations in Southampton
We also cover Hythe and Totton, close to Southampton. Homes across the South East range from inter-war semis and post-war estates, which are mostly cavity-walled, to older solid-walled cottages and Victorian town terraces.
Exposure to wind-driven rain varies across Hampshire: 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.
For commercial premises in Southampton, we programme the work around opening hours so the building can keep trading.
- Postcode district
- SO15
- County or area
- Hampshire
- Nation
- England
- Nearby
- Hythe, Totton, Eastleigh, Fareham
Planning and building control in England
Before quoting in Southampton, we check whether the property is in a conservation area, under an Article 4 direction or listed, because that decides whether changing the outside needs planning permission.
Insulating or re-rendering more than half of a wall's area brings in Part L of the Building Regulations, so building control is notified and the wall is upgraded to about 0.30 W/m²K where practical.
On residential buildings with a storey 11 metres or more above ground, guidance points to non-combustible external wall materials, and combustible materials are banned in relevant buildings 18 metres and over, so we specify mineral wool systems there.
How is the work programmed?
Work is split by elevation so entrances and fire exits stay usable. For schools, noisy and access-heavy stages are planned around holidays where possible. Health and safety duties under CDM 2015 are agreed at the start, including who acts as principal contractor.
Commercial and public building EWI prices in Southampton
| 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.
From enquiry to finished wall
Get a guide price
Try the online quote tool for a ballpark figure.
Book the survey
A visit at a time that suits you.
Agree the quote
Nothing starts until you've signed the written price.
We do the work
Planned around weather, with you kept informed.
Commercial EWI in Southampton: 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.
Do you handle the planning application?
We provide the technical information, drawings and samples an application needs; your agent or our designer can submit it.
Do you cover Southampton?
Yes — we survey and quote commercial external wall insulation in Southampton (SO15) and nearby Hythe, Totton and Eastleigh, with a fixed written price before any work starts.