Understanding the Causes and Solutions for Black Mould on Walls

Overview

Black mould on walls is a common problem in many homes and can pose serious health risks. It often appears as dark patches and can lead to respiratory issues if not addressed promptly. Understanding what causes black mould and how to deal with it is important for maintaining a healthy living environment.

Common Symptoms

• Dark patches on walls
• Musty smell
• Allergic reactions such as sneezing or skin irritation

Possible Causes

Black mould typically forms due to:

• Poor ventilation
• Condensation buildup
• Hidden water leaks
• Structural damp

Safe Checks You Can Do

Here are some steps you can safely take to check for mould:

• Ensure the room is well-ventilated by opening windows or using fans.
• Look for visible leaks under sinks or around windows.
• Monitor humidity levels; consider using a hygrometer.

When to Call a Professional

Call a professional if:

• The mould covers a large area.
• An occupant has a respiratory condition.

What to Expect

When a professional attends, they will:

• Assess the extent of the mould problem.
• Identify the underlying cause.
• Recommend and carry out appropriate treatment.

Responsibility Guide

Generally, the landlord is responsible for fixing structural issues causing mould, while tenants should ensure proper ventilation and report any problems promptly.

Prevention Tips

• Keep rooms well-ventilated.
• Use dehumidifiers in areas prone to damp.
• Report leaks or water damage immediately.

Further Reading

• NHS: Mould and Damp
• Citizens Advice: Damp, Condensation, and Mould