Silicone render · West Sussex
Silicone render in Crawley
Need silicone render in Crawley? Tell us about the property and we'll arrange a free survey and a written quote. On tree-shaded or north-facing walls in Crawley, silicone's water repellence helps it stay cleaner for longer.
- Free survey in RH11 and nearby
- Guide price from £66 per m² + scaffold, inc VAT
- Fixed written price before work starts
Free survey in Crawley
Postcode, service and a phone number is all we need.
Part of every quote
- Fine, even grain from about 1–2mm
- Can also go straight onto prepared masonry
- Water-repellent surface that dries quickly after rain
- Used as the finish on most EWI systems

Before we quote in Crawley
As well as Crawley itself, we quote in Horley, Horsham and East Grinstead. 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 West Sussex: 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.
If you're re-rendering in Crawley, we'll show you what adding insulation under the silicone would cost at the same time.
- Postcode district
- RH11
- County or area
- West Sussex
- Nation
- England
- Nearby
- Horley, Horsham, East Grinstead, Reigate
Approvals in England
For a house in Crawley, 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.
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 Crawley
| 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%.
From enquiry to finished wall
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.
Silicone render in Crawley: questions
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.
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.
Can I paint silicone render later?
Yes, with a compatible silicone paint, though through-coloured render rarely needs it.
Do you cover Crawley?
Yes — we survey and quote silicone render in Crawley (RH11) and nearby Horley, Horsham and East Grinstead, with a fixed written price before any work starts.