How much does it cost to render a house?
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Rendering costs can vary significantly because the price depends on much more than the external size of the property.
The render system, wall condition, preparation, scaffolding, number of openings and the amount of detailing all affect the final quotation. A straightforward elevation on sound masonry is a different project from a house that needs old render removing, repairs carrying out and several awkward areas accessed.
For budgeting, current UK cost guides put general rendering rates at roughly £30–£80 per m² of facing wall, depending on the system and specification. Checkatrade’s 2026 rendering guide gives a worked five-bedroom detached example of around £9,690–£12,075, including its stated assumptions. Those figures are useful context, but your property still needs its own quotation.
The render system changes the price
Different render systems use different materials and build-ups.
Monocouche is a through-coloured render that is applied to the specified thickness and finished with a scraped or other approved texture. Silicone render is a thin-coat finish applied over a prepared reinforced base. Lime render is chosen for different building and breathability requirements, while external wall insulation adds insulation boards and a reinforced rendered system to the exterior.
Those are not simply different colours of the same product. The preparation, labour and material requirements can vary substantially.
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Wall condition can matter more than wall size
A sound wall that only needs the correct preparation will normally be more straightforward than one with loose render, damaged masonry, widespread cracking or signs of water ingress.
If old render has failed, it may need to be removed before a new system is considered. Repairs to the background then need to be completed so the new finish is being applied to a suitable substrate.
Covering a poor wall without dealing with the underlying condition is rarely good value, even if it reduces the initial quotation.
Scaffolding and access are part of the project
Upper elevations require safe working access, and scaffolding can be a meaningful part of the total cost.
The amount depends on the building height and shape, site access and whether there are obstacles such as conservatories, extensions, narrow side passages or neighbouring boundaries.
This is one reason an online “cost per square metre” cannot tell you the complete price of a house rendering project.
Windows, doors and details add labour
A simple gable wall may contain a large area of render but relatively few details.
A front elevation can be smaller yet include several windows, doors, reveals, sills, corners, pipes and roof junctions.
Good detailing around those areas takes time, and it is a major part of how the finished elevation looks and performs.
The quotation should therefore reflect the complexity of the surfaces, not only the raw square metres.
What about colour and finish?
Modern coloured render systems can remove the need for a separate painted finish, but the chosen system, texture and grain size still affect the specification.
With monocouche, the colour runs through the render. With a silicone thin-coat system, the colour is in the textured finish coat applied over the prepared base.
The colour itself is rarely the biggest cost driver; the system and preparation normally matter more.
[Read: Silicone Render vs Monocouche Render.]
How much might different property types cost?
Broad national examples can help with initial budgeting, but they should be treated carefully because the amount of renderable wall area varies even between homes with the same number of bedrooms.
Checkatrade’s 2026 guide gives broad examples from a few thousand pounds for smaller properties to much higher totals for large detached homes, with scaffolding, repairs and system choice affecting the final number.
A better question than “what does a three-bedroom house cost?” is “how much wall area is actually being rendered, what condition is it in, and what system is proposed?”
What should be included in a rendering quote?
A clear quotation should explain the areas being treated, the render system, preparation, repairs, access and whether scaffolding and waste are included.
It should also be clear whether features such as beads, trims and detailing around openings form part of the specification.
When comparing contractors, compare the scope as well as the price. Two totals are only meaningful if they describe the same work.
Is the cheapest rendering quote the best value?
Not necessarily.
External render is exposed to weather every day, so preparation and correct system application matter. A cheaper price that omits necessary repairs or reduces the specification can prove expensive if the finish later fails.
The aim should be a suitable system applied to a properly prepared building, with the quotation making clear what is included.
How M&M prices a rendering project
At M&M Coloured Rendering & Plastering, we assess the property, discuss the finish and look at the condition of the existing walls before preparing a quotation.
That allows us to explain what preparation is required and why, rather than relying on a generic “price per house”.
Quick answer: UK rendering costs can range widely. Current guides give broad rates of around £30–£80 per m², but the final cost is heavily affected by the render system, wall condition, access, scaffolding, repairs and detailing.
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