Lian Construction carries out external rendering and facade repair across London, working across all of London, from inner boroughs out to South West London and the wider capital. We apply and repair sand and cement render, K Rend and other silicone renders, and monocouche systems, and we re-render properties where existing render has failed or trapped damp behind it. Work includes full elevation re-rendering, patch and crack repair, pointing and detailing around window and door reveals, and facade cleaning and repainting. Many of our render projects are on Victorian and Edwardian solid-wall terraces, where the right render specification depends on the wall build-up as much as the finish you want.
Hillingdon overview
Rendering & Facade Repair in Hillingdon
West London borough near Heathrow, with a broad mix of housing types needing refurbishment and general building work. Hillingdon falls well within the West London ground Lian Construction covers on a regular basis. For external rendering and facade repair work in Hillingdon, that local knowledge means fewer surprises once work is on site and a team that already understands the borough's typical property stock.
Hillingdon's housing stock reflects its position as an outer west London borough that grew substantially through the interwar and postwar periods, alongside older cores around its traditional town centres. Expect a broad spread: 1930s semi-detached and terraced housing built as London's suburbs expanded along the western rail and tube corridors, postwar estates and infill from the 1950s-60s, and pockets of older Victorian and Edwardian terraces closer to the historic centres. More recent decades have added modern estate housing and some higher-density new-build, partly linked to the borough's role as a major employment and transport hub near Heathrow. This mix means refurbishment work varies widely in character: solid-wall older properties often need different approaches to insulation, damp and roofing than cavity-wall postwar housing, and newer stock brings its own snagging and extension challenges. A contractor working across Hillingdon needs to be comfortable moving between these eras rather than specialising in one type, since a single street can contain anything from a 1930s semi to a 1990s infill house.
Hillingdon's location next to Heathrow shapes demand in practical ways. A large share of housing serves a working population tied to the airport and surrounding logistics and business parks, which tends to mean higher churn in the private rental sector and steady demand for quick, reliable turnaround work between tenancies: redecoration, repairs, kitchen and bathroom refreshes, and general maintenance that keeps a property lettable. Landlords in this position usually want a contractor who can scope a job fast and work to a clear timeline, since void periods cost money. At the same time, the borough's broad mix of housing types means demand for larger projects - extensions, loft conversions, roofing - comes from owner-occupiers across very different property styles, not a single dominant demographic. Because Hillingdon sits toward the edge of a typical London contractor's usual coverage area, homeowners here can sometimes find it harder to get firms to travel out for smaller jobs, or face longer lead times than in more central boroughs. That gap tends to favour contractors willing to commit to the area consistently rather than treat it as an occasional job.
Typical rendering and facade repair prices in London
Item
Typical range
Crack or patch repair (localised area)
£250–£600
Full re-render, 3-storey terrace front elevation
£5,500–£8,500+
K Rend / silicone render (supply and apply)
£55–£85/sqm
Pebbledash removal plus re-render, per sqm
£70–£110/sqm
General London market guidance, not a fixed quote — actual pricing depends on a site survey. Full breakdown: cost guide.
Render systems compared: sand and cement, K Rend, monocouche and lime
Traditional sand and cement render is applied in two or three coats, a scratch coat, a floating coat and sometimes a setting coat, and finished with a texture such as a wood float, scraped or roughcast finish, then usually painted. It's a well-understood, relatively affordable system, but it's rigid and prone to cracking if the mix ratio is wrong for the background or if it's applied too thickly in one pass. K Rend and other silicone renders are polymer-modified, factory-mixed systems applied over a base coat and mesh, and they're more flexible and crack-resistant than sand and cement, with colour built into the render itself rather than relying on paint, which means the colour doesn't need repainting every decade in the way a painted cement render does. Monocouche render is a single-coat, through-coloured system applied in one pass over a mesh-reinforced base, and it's popular on newer builds and extensions for speed of application, though it needs the right weather conditions and a skilled hand to avoid an uneven, patchy finish. Lime render is the traditional specification for solid-wall period properties and behaves quite differently to the modern systems: it's breathable, allowing moisture to pass through and evaporate rather than trapping it, and it flexes slightly with the building's natural movement rather than cracking. We specify the system to suit the wall it's going onto rather than defaulting to one product across every job, since the wrong render on the wrong substrate is one of the most common causes of render failure we're called out to fix.
Render and damp on Victorian solid-wall properties
A large proportion of the render repair we're called out for on Victorian and Edwardian houses traces back to the same underlying issue: a hard cement render applied to a solid brick wall that was never designed to be sealed in that way. Solid walls, common in London terraces built before cavity construction became standard in the 1920s and 30s, rely on being able to absorb and release moisture through the wall itself. A modern cement render, particularly one applied at a rich mix ratio with little lime content, is far less permeable than the brick behind it, and once moisture gets in, through a crack, a poorly detailed reveal or rising damp at the base of the wall, it can't easily evaporate back out through the render. Instead it tracks sideways or gets pushed further into the wall, sometimes showing up as damp patches on internal plaster well away from the original point of failure. This is why re-rendering a Victorian solid wall after a damp problem often means specifying a lime-based render, typically an NHL 3.5 or similar hydraulic lime mix, rather than simply replacing like-for-like with the cement render that likely contributed to the problem in the first place. Where we're asked to deal with damp linked to render on a solid wall, we'd typically expect the sequence to run: confirm the wall is genuinely solid rather than an unrecognised cavity, remove the render causing the problem, allow the wall to dry out for a period before re-rendering, and then apply a breathable lime specification rather than rushing straight back to a like-for-like cement finish. Skipping the drying period is a common shortcut that undermines an otherwise correct specification, since re-rendering over a wall that's still saturated just traps the existing moisture behind the new coat rather than solving anything. Lime render isn't a universal fix for every damp issue, and where the underlying cause is a specific defect such as a failed damp proof course or a blocked cavity tray, that needs addressing on its own terms, but on a genuinely solid-wall property, breathability is usually the right starting principle for whatever render goes back on.
Sand and cement, K Rend and monocouche render systemsRender crack repair and re-rendering after damp issuesLime render specification for solid-wall period propertiesRegular coverage of Hillingdon and the wider West London area
Signs to look for
Do you need rendering & facade repair in Hillingdon?
The existing render is a hard cement finish on a Victorian or Edwardian solid-wall property and hasn't been reassessed for breathability.
You're installing External Wall Insulation and need the finishing render coat specified and applied to the system correctly.
Render around window and door reveals has cracked or come away, letting water track in around the frames during heavy rain.
The render looks tired, stained or algae-covered but is otherwise sound, and a clean and repaint would refresh it without full replacement.
How the work is handled in Hillingdon
Step 1Survey the elevations and existing render
Step 2Agree the render system and colour
Step 3Strip, repair or re-render as needed
Step 4Finish, seal and clean down the site
Questions
Rendering & Facade Repair questions in Hillingdon
How quickly can Lian start external rendering and facade repair work in Hillingdon?
Hillingdon is part of our regular West London coverage, so once we've surveyed the property we can usually confirm a start date quickly. Send the address and scope and we'll arrange the next step.
Do you cover all of Hillingdon?
Yes. Hillingdon falls within the area Lian Construction serves across Greater London.
Do you cover general building work as well as roofing in Hillingdon?
Yes, we take on both. Given how mixed the housing stock is across the borough, jobs range from full extensions and structural work through to standalone roof repairs or replacements. If you're not sure whether your issue is a roofing job or something more structural, it's fine to describe what you're seeing and we can advise on the likely scope before committing to anything.
How do I know if my render needs repairing or full replacement?
We check for hollow-sounding areas by tapping the render, look for cracking patterns, stepped cracks are more serious than fine hairline ones, and assess how much of the existing coat is still soundly bonded to the wall. Where failure is patchy and limited to specific areas, repair usually makes sense. Where render is hollow or cracked across most of an elevation, or where it's clearly trapping damp behind it on a solid-wall property, full re-rendering is usually the more sensible long-term option, even though the upfront cost is higher than a series of patch repairs.
What's the difference between lime render and cement render for an older property?
Cement render is rigid and largely impermeable, which works fine on a cavity wall but can trap moisture against a solid brick wall that relies on breathing through its fabric. Lime render is more flexible, moves slightly with the building rather than cracking, and lets moisture evaporate back out through the wall rather than pushing it sideways or inward. For Victorian and Edwardian solid-wall properties, particularly where there's been a history of damp, we'd generally recommend a lime-based specification over standard cement render, though the right choice always depends on the specific wall and what's causing any existing damp.
Do you apply K Rend or other silicone render systems?
Yes. K Rend and comparable silicone render systems are applied over a mesh-reinforced base coat, with colour built into the render rather than relying on paint, which suits homeowners who want a low-maintenance, crack-resistant finish that doesn't need repainting every decade. They're a good fit for cavity-wall properties and extensions, and can also work well over External Wall Insulation systems. On solid-wall period properties we'd talk through whether a silicone system or a more breathable lime specification suits the wall better before recommending one over the other.
Talk to Lian Construction about Hillingdon
Send the site address in Hillingdon, photos if available, and the rendering & facade repair work you need. We can review the scope and arrange the next step.