Commercial EWI · Greater London
Commercial and public building EWI in Chiswick
Commercial and public building EWI in Chiswick: free survey, written specification and a fixed price, with the details that keep walls dry planned from the start. We provide drawings and finish samples for planning applications on Chiswick commercial buildings.
- Free survey in W4 and nearby
- Guide price from £110 per m² + scaffold, + VAT
- Fixed written price before work starts
Free survey in Chiswick
Postcode, service and a phone number is all we need.
Included as standard
- Planning applications supported with drawings and finish samples
- Clear handover file with system documentation
- Non-combustible systems where use or height requires them
- Colour and texture options to suit brand or setting
What we look for in Chiswick
We cover Chiswick and nearby Acton, Barnes and Shepherds Bush. London's housing includes a large stock of Victorian and Edwardian solid-wall terraces, inter-war semis and post-war blocks, and conservation areas cover many streets — so planning is often the first question for external work.
Much of Greater London sits in the lower wind-driven rain exposure bands, which keeps the choice of finishes wide — though hilltop, coastal and exposed gable walls can still need a tougher specification, so we check the actual site.
For commercial premises in Chiswick, we programme the work around opening hours so the building can keep trading.
- Postcode district
- W4
- County or area
- Greater London
- Nation
- England
- Nearby
- Acton, Barnes, Shepherds Bush, Fulham
Approvals in England
Planning in Chiswick follows England's national rules: similar-looking finishes on houses are usually permitted, while flats, commercial premises, conservation areas and streets under an Article 4 direction need an application.
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.
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 Chiswick
| 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
Tell us about the property
Use the quote tool or form, or call. Photos help.
Free survey
We measure, check the walls and confirm approvals.
Fixed written quote
System, details, access, exclusions and VAT in writing.
Installation
Scheduled for suitable weather, with a clear programme.
Commercial EWI in Chiswick: questions
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 handle the planning application?
We provide the technical information, drawings and samples an application needs; your agent or our designer can submit it.
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 cover Chiswick?
Yes — we survey and quote commercial external wall insulation in Chiswick (W4) and nearby Acton, Barnes and Shepherds Bush, with a fixed written price before any work starts.