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Condensation

How to Clean Mould from Walls and Ceilings

By FixMyRoof Editorial Team 31 March 2026 2 min read Reviewed by a qualified roofer
All guides on FixMyRoof are reviewed by experienced roofing professionals to ensure accuracy. Our reviewers have a minimum of 10 years of hands-on industry experience.

Mould on walls and ceilings is a common problem in UK homes, particularly during the colder months. While it can look unsightly and affect your health, the good news is that it can usually be dealt with effectively.

What Causes Mould?

Mould thrives in damp conditions. The most common causes include:

How to Remove Mould Safely

Step 1: Protect Yourself

Wear rubber gloves, a face mask, and goggles before starting.

Step 2: Prepare a Cleaning Solution

Mix one part white vinegar with one part water in a spray bottle. Alternatively, use a specialist mould removal spray.

Step 3: Apply and Scrub

Spray the affected area generously and leave for 15 minutes. Then scrub with a stiff brush or cloth.

Step 4: Rinse and Dry

Wipe the area with a clean damp cloth, then dry thoroughly.

Preventing Mould from Returning

If mould keeps returning despite your efforts, it may indicate a deeper issue such as a roof leak. Consider getting a professional roof inspection.

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