Silicone render · Greater London
Silicone render in Isleworth
From Isleworth to Hounslow, we price silicone render after a measured survey — no guesswork, and no work starts until the price is agreed in writing. If you're re-rendering in Isleworth, we'll show you what adding insulation under the silicone would cost at the same time.
- Free survey in TW7 and nearby
- Guide price from £66 per m² + scaffold, inc VAT
- Fixed written price before work starts
Free survey in Isleworth
Postcode, service and a phone number is all we need.
What the job covers
- Vapour-open, so walls can still breathe
- Used as the finish on most EWI systems
- Fine, even grain from about 1–2mm
- Through-coloured — no painting needed
What we look for in Isleworth
Surveys in Isleworth also cover the surrounding TW7 district and towns such as Hounslow and Heston. 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.
On tree-shaded or north-facing walls in Isleworth, silicone's water repellence helps it stay cleaner for longer.
- Postcode district
- TW7
- County or area
- Greater London
- Nation
- England
- Nearby
- Hounslow, Heston, Richmond, Southall
Permissions in England
Before quoting in Isleworth, 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.
Building control applies once more than half of a wall is insulated or re-rendered, or more than a quarter of the whole building envelope, and your written quote says how that's handled.
How is silicone render applied?
On masonry, the wall is prepared and any loose material removed. A base coat with glass-fibre mesh is applied over the whole wall to resist cracking, followed by a primer and the silicone finish, trowelled to its grain size. On EWI, the same base coat, primer and finish go over the insulation boards.
Silicone render prices in Isleworth
| Item | Guide price | Notes |
|---|---|---|
| Silicone render on masonry (with base coat + mesh) | £66–£102 per m²inc VAT | Excluding scaffold |
| Front and side of a semi (≈60 m²) | £3,960–£6,120inc VAT | Plus scaffold |
| As the finish on EWI | Included in EWI rates |
Confirmed by a fixed written quote after survey. Prices include VAT at 20%.
What happens next
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.
Silicone render in Isleworth: questions
Can I paint silicone render later?
Yes, with a compatible silicone paint, though through-coloured render rarely needs it.
Does silicone render crack?
The mesh-reinforced base coat and the render's flexibility make cracking much less likely than with sand and cement, but structural movement in the wall can still show through.
How long does silicone render take to dry?
It's touch-dry within hours but needs dry weather above about 5°C for the first day or two to cure properly.
Do you cover Isleworth?
Yes — we survey and quote silicone render in Isleworth (TW7) and nearby Hounslow, Heston and Richmond, with a fixed written price before any work starts.