External rendering is applying a protective, weather-resistant coating to the outside walls of a house, using sand and cement, monocouche or thin-coat silicone render, to give a smooth or textured finish that protects the masonry and improves appearance.
We offer external rendering across London, and Wimbledon is one of the places we cover, along with nearby Morden, Mitcham and Putney. Before anything is agreed we visit, check the existing structure and talk through your options. You then receive a written quote setting out the full scope; for most homes in London it sits within £9,100–£21,000 including VAT.
- Guide price
- £9,100–£21,000 inc VAT
- Time on site
- 1–3 weeks on site, depending on weather
- Postcodes
- CR4, SM4, SW17, SW18 and SW19
- Planning rules
- England
- Local area
- Greater London
- Survey
- Free, with a written quote
What should you budget for external rendering in Wimbledon?
Use the table to gauge the cost of external rendering in Wimbledon before we visit. Figures include VAT and are scaled for London, coming out about 30% above the national guide, which gives £9,100–£21,000 overall. After a free survey, you receive a fixed written price.
| Type of job | What it usually involves | Guide in Wimbledon |
|---|---|---|
| Front elevation or small terrace | One elevation or a small terraced house, including scaffolding and preparation. | £3,900–£9,100 |
| Typical semi-detached | All rendered walls of a 3-bed semi in monocouche or silicone, with scaffolding. | £9,100–£21,000 |
| Detached or full strip and re-render | Larger houses, or homes needing old render removed and walls repaired first. | £19,500–£39,000 |
Your price depends mostly on:
- Wall area to be rendered and the height of the house
- Render system: sand and cement, monocouche or silicone
- Removing old render or pebbledash and repairing the walls
- Detailing around windows, bays, sills and pipes
Scope of the work
- Survey of walls, existing render, cracks and damp-proof course
- Scaffolding erected and removed, with neighbours' access agreed
- Removal of loose or failed render and pebbledash where needed
- Windows, doors and surfaces masked and protected
- Beads at corners, edges and above the damp-proof course
- Mesh reinforcement and base coats to suit the chosen system
Local housing and external rendering
London's housing is dominated by Victorian and Edwardian terraces, often in yellow London stock brick, with Georgian terraces in central districts and mansion blocks across many inner areas. Outer boroughs have large belts of interwar semis, and there are extensive post-war council estates. Many houses have been split into flats, and conservation areas are widespread.
London Clay shrinks and swells with the seasons, and street trees close to houses can contribute to movement, which affects foundation design.
Whatever era your Wimbledon home dates from, we plan external rendering around how it is actually built rather than a one-size-fits-all specification.
Do you need permission in Wimbledon?
Each UK nation sets its own consent rules, and Wimbledon is in England. What follows is a plain summary; we check the specifics for your property with the council before pricing anything.
In England, re-rendering or cladding a house is often allowed without planning permission, but stone, render, timber, plastic or tile cladding is not permitted development in conservation areas, and listed buildings need consent.
If you render or re-clad more than 25% of an external wall, Building Regulations usually require the wall’s insulation to be improved where that is practical, and building control should be notified.
Rules change and every property is different, so we check the planning history and constraints for your address before we quote.
How does the job run?
Free site survey
Book a visit and we'll come to you. The survey covers measurements, the state of what's there now and any obvious constraints, so the price that follows is based on your actual home, not an average.
Written quote
Next you receive a written quote with a fixed price for the agreed specification. It lists what is included, what is not, and how payments are staged, so you can compare it properly.
Booking the work
Preparation matters as much as the build. We agree access, parking and working hours with you, order materials in good time, and confirm any permissions so the job isn't held up once it starts.
Build and hand over
The job proceeds in the order set out in the programme, with dust and debris kept under control. Finally we tidy away, inspect the work together and pass the finished project over to you with its paperwork.
Working with SK Home Improvements
Frequently asked questions
How do I look after silicone or monocouche render?
Through-coloured render needs little upkeep. Check it once a year for cracks or damage, especially around windows and pipes, and keep gutters clear so water does not run down the walls. If green algae appears on shaded walls, a specialist render cleaner applied with a soft brush or low-pressure wash removes it. Avoid high-pressure jet washing, which can damage the surface.
How much will external rendering cost in Wimbledon?
As a guide, expect to pay £9,100–£21,000 including VAT for external rendering in Wimbledon. That range is adjusted for London, which runs about 30% above the national guide. Where your project lands depends on size, materials, access and the condition of what is already there. We confirm a fixed price in writing after a free survey of your home.
How much does it cost to render a house?
Rendering a typical 3-bed semi costs £9,100–£21,000, including scaffolding and preparation. As a guide, allow around £60–£120 per square metre of wall plus fixed costs for scaffolding and set-up. Sand and cement is the lowest-cost system, while silicone thin-coat costs more but needs no painting. Removing old render or pebbledash first adds noticeably to the price. We confirm a fixed figure after the survey.
What time of year should rendering be done?
Render needs mild, dry conditions to cure properly, so spring to early autumn is ideal. Most render systems should not be applied when frost is likely, in heavy rain or in strong direct sun, which can dry it too quickly and cause cracking. We plan the programme around the forecast and may pause work if the weather turns, which protects the finish.
Do I need planning permission in Wimbledon?
It depends on the work, the size of the project, your property type and whether the building is listed or in a conservation area. Wimbledon is in England, so England's rules apply. Many smaller jobs need no planning application, but some still need building control approval. We check what applies to your address before quoting.
Nearby towns
From CR4, SM4, SW17 and SW18 to the edges of Wimbledon and on into Morden, Mitcham and Putney, we can arrange a site visit and a written quote for your project, planned around dates that work for you.

