Render cleaning · Greater London
Render cleaning and treatment in Isleworth
Render cleaning and treatment in Isleworth: free survey, written specification and a fixed price, with the details that keep walls dry planned from the start. We clean render in Isleworth with low pressure only, so thin-coat and EWI finishes aren't damaged.
- Free survey in TW7 and nearby
- Guide price from £10 per m² 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
- Most houses done in a day
- Biocide treatment that continues to work after cleaning
- Low-pressure application — no high-pressure jetting
- Optional silicone paint to refresh faded colour
Homes and walls in Isleworth
As well as Isleworth itself, we quote in Hounslow, Heston and Richmond. 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.
Shaded and north-facing walls in Isleworth often need render cleaning sooner than sunny elevations.
- Postcode district
- TW7
- County or area
- Greater London
- Nation
- England
- Nearby
- Hounslow, Heston, Richmond, Southall
Approvals in England
Repairs, cleaning and like-for-like patching don't usually need planning permission or building control. If repairs grow into re-rendering more than half of a wall, Building Regulations energy rules can apply.
Why not pressure wash render?
Thin-coat renders are only 1–2mm thick. High-pressure jetting can erode the texture, strip colour, force water behind beads and cracks, and damage the insulation system underneath. A soft wash uses chemistry rather than pressure to do the work.
Render cleaning and treatment prices in Isleworth
| Item | Guide price | Notes |
|---|---|---|
| Soft wash and biocide | £10–£19 per m²inc VAT | Minimum £475 |
| Clean and silicone paint refresh | £22–£36 per m²inc VAT | Excluding scaffold |
| Typical semi, all elevations | £835–£1,555inc VAT | Clean only |
Confirmed by a fixed written quote after survey. Prices include VAT at 20%.
How it works
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.
Render cleaning in Isleworth: questions
Will the green come back?
The biocide slows regrowth considerably, but shaded, damp walls can need retreating every few years.
Can faded render be refreshed?
Yes — a compatible silicone paint restores colour without making the wall less breathable.
Is render cleaning safe for EWI?
Yes, using low pressure and products suitable for thin-coat render.
Do you cover Isleworth?
Yes — we survey and quote render cleaning in Isleworth (TW7) and nearby Hounslow, Heston and Richmond, with a fixed written price before any work starts.