Silicone render · Cornwall
Silicone render in Penzance
Silicone render in Penzance: free survey, written specification and a fixed price, with the details that keep walls dry planned from the start. If you're re-rendering in Penzance, we'll show you what adding insulation under the silicone would cost at the same time.
- Free survey in TR18 and nearby
- Guide price from £66 per m² + scaffold, inc VAT
- Fixed written price before work starts
Free survey in Penzance
Postcode, service and a phone number is all we need.
What you get
- Can also go straight onto prepared masonry
- Used as the finish on most EWI systems
- Fine, even grain from about 1–2mm
- Water-repellent surface that dries quickly after rain
Local considerations in Penzance
We cover Penzance and nearby Camborne, Redruth and Falmouth. Penzance is about 16 miles from Redruth. The South West has many stone and solid-walled cottages, exposed coastal properties and a share of post-war system-built houses, including types such as the Cornish Unit.
Parts of Cornwall fall in the higher wind-driven rain exposure bands, especially coastal and upland sites, so render specification, movement joints and detailing at cills, verges and the base of the wall matter more than usual.
Silicone suits most rendering jobs in Penzance, either on its own or over insulation.
- Postcode district
- TR18
- County or area
- Cornwall
- Nation
- England
- Nearby
- Camborne, Redruth, Falmouth, Truro
England: planning and regulations
Planning in Penzance 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.
If the work covers more than half of a wall, or a quarter of the building's whole envelope, it counts as renovating a thermal element, with a target of about 0.30 W/m²K where feasible.
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 Penzance
| 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
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 Penzance: 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 Penzance?
Yes — we survey and quote silicone render in Penzance (TR18) and nearby Camborne, Redruth and Falmouth, with a fixed written price before any work starts.