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.
Homeowners in Wembley usually consider external rendering for one of a few reasons: something has worn out, the house no longer suits the way they live, or they are getting it ready to sell. We visit, agree a specification and put a fixed price in writing. Most jobs like this take 1–3 weeks on site, depending on weather, and we work across London, including Brent, Harrow and Greenford.
- Guide price
- £9,100–£21,000 inc VAT
- Time on site
- 1–3 weeks on site, depending on weather
- Postcodes
- HA0, HA9, NW10 and UB6
- Planning rules
- England
- Local area
- Greater London
- Survey
- Free, with a written quote
What should you budget for external rendering in Wembley?
No two jobs cost exactly the same, but the ranges below give a fair picture of external rendering in Wembley. Pricing for London runs about 30% above the national guide, and the overall guide is £9,100–£21,000 with VAT included. We'll confirm your figure after surveying the property for free.
| Type of job | What it usually involves | Guide in Wembley |
|---|---|---|
| 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
What do you get?
- 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
- Mesh reinforcement and base coats to suit the chosen system
- Making good around pipes, vents and fixings, and a site clean-up
Homes in London
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.
Terraces suit side-return extensions and rear dormer loft conversions; interwar semis commonly take hip-to-gable lofts. Shared party walls, restricted parking and conservation rules often shape the plans and the programme.
So when we survey a Wembley property for external rendering, the first step is working out how it was built and what has been changed since.
Planning and building rules in Wembley
England, Wales, Scotland and Northern Ireland each handle planning a little differently. Wembley comes under England, covered below, and we raise any questions with the council before your quote is finalised.
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.
What happens after you get in touch?
A visit to your home
We begin by looking at the job in person. During the free survey we discuss options, materials and budget for external rendering, and photograph or measure anything the quote needs to reflect.
Quote in writing
We turn the survey notes into a written quote. The price is fixed for the specification we agree, and the document sets out materials, scope and payment stages in plain language.
Dates and permissions
Before anyone starts, we confirm the programme in writing, check whether consents are required and arrange deliveries. If a skip or scaffolding on the road needs a permit, we apply for it.
On site to finish
Work goes ahead as scheduled and you deal with one contact throughout. When the last trade leaves, we clear and clean the site, talk you through what has been done and pass on any certificates and care instructions.
Why homeowners choose us
External rendering in Wembley: questions
How much will external rendering cost in Wembley?
As a guide, expect to pay £9,100–£21,000 including VAT for external rendering in Wembley. 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.
Which render system should I choose?
The right render depends on your walls and how much upkeep you want. Sand and cement is the lowest-cost option but needs repainting every few years. Monocouche is coloured through, so it needs no painting, and suits block and brick walls. Silicone thin-coat is flexible, water-repellent and stays cleaner, but costs more. Lime render suits older solid walls. We recommend a system after inspecting your walls.
Can you render over pebbledash or old render?
Rendering over existing pebbledash or render is sometimes possible if it is firmly bonded, but if it sounds hollow, is cracked or is coming away, it must be removed first. Covering failing render simply hides the problem until the new coat fails too. We tap-test the walls and explain whether removal is needed. Removal adds time and cost but gives a sound base.
Will rendering stop damp?
Render protects walls from driving rain, so it can help where rain penetration is the cause of damp. It will not cure rising damp, condensation or leaks from gutters, and on older solid walls the wrong render can trap moisture and make damp worse. We look for the cause of any damp at the survey and recommend fixing that first.
How long will external rendering take?
On a typical home, allow 1–3 weeks on site, depending on weather. Larger projects, older buildings and extra work found once things are opened up can extend that, while simpler jobs may be shorter. Your quote includes an estimate of time on site, and your point of contact keeps you updated on the programme as the work progresses.
Also covering areas around Wembley
Homes across HA0, HA9, NW10 and UB6 in Wembley are within our coverage, as are those in Brent, Harrow and Greenford. If you are just outside these areas, ask anyway, because we work right across the UK.