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What exactly is Condensation?

Condensation occurs when warm, moist air comes into contact with a cooler surface, such as windows, walls, or ceilings. The moisture in the air turns into water droplets, which can lead to dampness and mould growth if not properly managed. It is a natural process that happens in every home, especially during the colder months.

Condensation is water vapour

Condensation is the process by which water vapour in the air turns into liquid when it comes into contact with a cold surface.

Caused by everyday activities

Everyday activities like cooking, showering, and drying clothes indoors produce excess moisture, which can lead to condensation if ventilation is poor.

Causes black mould

Persistent condensation can cause black mould, damage to walls and ceilings, and create an unhealthy living environment.

Signs of Condensation

Water droplets

Condensation often manifests as visible droplets on windows, especially in the morning or after activities that produce steam


Damp patches

Look out for damp areas, particularly in corners or around windows, which can indicate condensation issues.


Black Mould

Mould thrives in damp environments caused by condensation, appearing as black spots on walls, ceilings, or around window frames.

What does condensation look like?

Our gallery of condensation in real-world conditions can help you identify its appearance. If you notice any signs of persistent condensation, consider implementing the prevention tips outlined above or request a professional survey for peace of mind.

How to manage your Condensation issues

Managing condensation is about controlling moisture and improving ventilation. Here are some effective tips:

VentilateOpen windows slightly or use trickle vents to improve airflow
Extractor FansEnsure extractor fans are operational in kitchens and bathrooms.
Drying ClothesAvoid drying clothes indoors or use a vented tumble dryer.
HeatingMaintain consistent heating to keep surfaces warm and reduce condensation risk.
DehumidifiersUse a dehumidifier in areas prone to high humidity levels.

Our condensation leaflet contains more information and tip to help you overcome the most common issues of condensation.

When to Consider Professional Help

Most condensation problems can be resolved with the steps outlined above. However, there are instances when professional advice may be necessary:

  • Persistent dampness or condensation despite following prevention tips.
  • Black mould growth that spreads rapidly.
  • Suspected underlying structural issues, such as rising or penetrating damp.

In these cases, our team can conduct a survey to assess your property and recommend appropriate solutions

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