Re-rendering · Greater London
Re-rendering in Isleworth
If you're planning re-rendering in Isleworth, start with a free survey: we measure, check the walls and confirm planning and building control for your address. On older houses in Isleworth, stripping old render often reveals mortar repairs that are best done before re-rendering.
- Free survey in TW7 and nearby
- Guide price from £90 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.
Included as standard
- Beads, cills and drips renewed so water is shed properly
- Brickwork and mortar checked and repaired before rendering
- Old render hacked off and removed from site
- Option to add insulation at the same time
Local considerations 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.
For Isleworth re-render jobs, we check whether building control needs notifying for your wall area.
- Postcode district
- TW7
- County or area
- Greater London
- Nation
- England
- Nearby
- Hounslow, Heston, Richmond, Southall
Planning and building control 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.
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.
Why should I think about insulation when re-rendering?
In England and Wales, replacing render on more than half of a wall's area is treated as renovating a thermal element, so the wall is expected to be upgraded to about 0.30 W/m²K where that's technically, functionally and economically feasible. The scaffold, preparation and finish are being paid for anyway, so the extra cost of insulation is lower than doing it later. We price both options.
Re-rendering prices in Isleworth
| Item | Guide price | Notes |
|---|---|---|
| Strip and re-render (silicone system) | £90–£150 per m²inc VAT | Excluding scaffold |
| Strip and insulate (EWI) | £125–£195 per m²0% VAT | Including removal |
| Waste and skip | Included |
Confirmed by a fixed written quote after survey. Prices include VAT at 20%. 0% VAT: installing insulation in a home is zero-rated until 31 March 2027, so these figures are the total; 5% applies from 1 April 2027.
From enquiry to finished wall
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.
Re-rendering in Isleworth: questions
Do I need building control for re-rendering?
In England and Wales, re-rendering more than half of a wall's area — or more than a quarter of the whole building's envelope — is controlled work under Part L, so usually yes. We explain how it's handled in the quote.
Is it worth adding insulation?
On solid or concrete walls it's usually the most cost-effective time to do it, because access and preparation are already paid for.
How do I know if my render has failed?
Signs include cracks, hollow sound when tapped, bulging, pieces falling off, and damp patches inside behind cracked areas.
Do you cover Isleworth?
Yes — we survey and quote re-rendering in Isleworth (TW7) and nearby Hounslow, Heston and Richmond, with a fixed written price before any work starts.