Silicone render · Greater London
Silicone render in Richmond
Looking for silicone render in Richmond? We survey homes across Richmond and the TW9 area, then give you a fixed written price before any work starts. If you're re-rendering in Richmond, we'll show you what adding insulation under the silicone would cost at the same time.
- Free survey in TW9 and nearby
- Guide price from £66 per m² + scaffold, inc VAT
- Fixed written price before work starts
Free survey in Richmond
Postcode, service and a phone number is all we need.
Part of every quote
- Can also go straight onto prepared masonry
- Through-coloured — no painting needed
- Vapour-open, so walls can still breathe
- Water-repellent surface that dries quickly after rain

Local considerations in Richmond
As well as Richmond itself, we quote in Isleworth, Hounslow and Barnes. 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 Richmond, silicone's water repellence helps it stay cleaner for longer.
- Postcode district
- TW9
- County or area
- Greater London
- Nation
- England
- Nearby
- Isleworth, Hounslow, Barnes, Chiswick
Approvals in England
For a house in Richmond, external insulation or render is often permitted development if it looks similar to the existing walls; conservation areas, flats, commercial buildings and listed buildings need permission or consent, so we check your address first.
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.
Silicone or monocouche?
Monocouche is a thicker single-coat cement render used mainly on new blockwork. Silicone is thinner, more flexible and usually more resistant to staining, and it's the finish used over insulation. On older or mixed walls, silicone over a mesh-reinforced base coat is generally the safer choice.
Silicone render prices in Richmond
| 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%.
How it works
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.
Silicone render in Richmond: questions
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.
Can silicone render go over old render?
If the old render is sound and well bonded, often yes after cleaning and priming. Hollow or cracked areas are cut out and repaired first.
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.
Do you cover Richmond?
Yes — we survey and quote silicone render in Richmond (TW9) and nearby Isleworth, Hounslow and Barnes, with a fixed written price before any work starts.