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How long does exterior masonry paint last?

On properly prepared surfaces, a high-quality masonry paint will last 10 to 15 years. Cheaper products or poor preparation will reduce that significantly. High-performance exterior wall coatings can last 15 to 20 years or more.

What is the best time of year to paint or render the outside of a house?

Late spring through to early autumn — ideally between April and September. Both painting and rendering need dry conditions and temperatures above 5°C to cure properly. We monitor the weather forecast closely and won’t start work if rain is expected within the drying window.

Do I need to strip old paint before repainting?

Not always. If the existing paint is sound and well-adhered, we can paint over it after cleaning and preparation. But if it’s peeling, flaking, or blistering, the loose material needs to come off first. On badly deteriorated surfaces, we strip back to a stable base and start fresh.

What is the difference between render and masonry paint?

Render is a cementitious or resin-based layer applied to the wall surface — typically 10 to 20mm thick. It provides structural protection and a uniform finish. Masonry paint is a thin film applied on top of an existing surface — render, brick, stone, or block. Render protects the wall; paint protects the render and adds colour.

Can you render over pebbledash?

In some cases, yes — but only if the existing pebbledash is firmly bonded to the wall. If it’s loose, hollow, or cracking, it needs to come off first. Rendering over a failing surface will just give you a problem that falls off in a few years. We assess the condition properly before advising.

Do I need planning permission to render or paint my house?

For most properties, no. However, if the building is listed or in a conservation area, you may need consent before altering the external appearance. Changing the colour of a rendered or painted surface may also fall under local planning restrictions in certain areas. We can advise on this during the survey.

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