How to Deal with Condensation in Your Bathroom

How to Deal with Condensation in Your Bathroom

Condensation is a common issue in most bathrooms. It can form on windows, walls, tiles and mirrors after a warm bath or shower.

If it’s not minimised or dealt with properly, condensation can cause mould to grow. This is not only unsightly, but creates a number of health issues.

Why Does Condensation Form?

The bathroom is an ideal environment for condensation. The warm water vapour in the air from a hot bath or shower makes contact with cold surfaces such as mirrors or tiles and forms water droplets i.e. condensation.

The warmer the water vapour, the moister the air will be, and the more condensation will be formed on the cold surfaces.

How to Prevent Condensation in the Bathroom

Although condensation can be difficult to completely avoid in the bathroom, there are measures that can be taken to help prevent it and minimise the chance of mould growth as a result of condensation.

1. Ventilation
Removing as much of the moisture from the air as possible will help prevent the build-up of condensation. Open a window and/or turn on an extractor fan so that the moist air can escape. Make sure to keep the bathroom door closed though, so that moisture doesn’t spread to the rest of your home.

2. Keep the bathroom warm
Cold surfaces such as wall tiles and mirrors attract condensation. Keeping the bathroom warm where possible will help reduce this. Underfloor heating, heated towel rails, heated mirrors, and double-glazed windows are good solutions.

3. Wipe down surfaces
Small amounts of condensation are inevitable in the bathroom. In order to remove this and prevent mould growth, you should try and wipe down the surfaces with a towel after use.

4. Clean the extractor fan
If you don’t have an extractor fan already, you should consider fitting one. Especially if your bathroom has no windows to open. It is also advised to regularly clean the extractor fan to remove dust and dirt and keep it running effectively.

5. Consider a dehumidifier
Dehumidifiers remove the moisture from the air, turning it into and collecting it as water. Using one in the bathroom can significantly reduce the amount of condensation.

6. Air out damp towels
To remove excess moisture in the bathroom, you should make sure to air out your damp bath towels and bath mats after use.

7. Anti-condensation paint
Special anti-condensation paint is available for use on bathroom walls and ceilings. These could be considered to absorb water vapour and prevent mould growth.


Although condensation is an extremely common problem, there are ways to keep it to a minimum with a little consideration and forethought. Taking these measures now could save you a big headache further down the line.

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