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A combination of the temperature of your home and everyday activities can cause problems with damp, mould and condensation. It’s important to understand how they happen so you can tackle them. 

There is always moisture in the air. The warmer air gets, the more moisture it holds. The colder it gets, the less moisture it holds. Most moisture gets into the air via condensation. Air indoors gets damp and humid from everyday things like taking showers, cooking and drying clothes. When that humid air hits colder surfaces – like windows and walls – then it turns back into water droplets, which mould loves.

How much water do we produce in the home everyday?

Whether it’s cooking, cleaning or just sleeping, we generate a lot of moisture throughout the day in our homes. To the right you can see just how much some of the daily activities we take for granted produce

Where does mould come into this?

Mould grows when houses start to get humid and damp. It’s a kind of fungus that grows in damp conditions. Once it’s started appearing, mould will keep growing until the conditions are changed and the visible mould is removed. Reducing the moisture inside your home will help to stop mould from growing.

You don’t need to worry about mould. It is part of the natural environment, and it only becomes a problem when it builds up indoors and starts posing a risk to your home and your health. You can’t completely remove mould from your home, but you can minimise it by following the advice on this page.

Controlling the humidity in your home

These are some simple and easy steps you can take to reduce moisture that may cause mould in your home.

  • Keep lids on your pans when cooking.
  • Close the door to the room when you're cooking or showering.
  • Give your windows, sills and any other surfaces a wipe when they’re wet.
  • If you notice any leaks or other problems with your home that could be allowing damp to get in, please report them to us.

To get moisture out your home, you need to ventilate it so that damp air has a place to escape to.

  • Open the trickle vents in your windows if you have them.
  • Use your extractor fans in the bathroom and kitchen or open the windows slightly.
  • Open windows for a few minutes in the morning to replace the damp air with fresh air from outside.
  • If you’re drying clothes indoors, do it in well ventilated areas, e.g. the bathroom with the door closed and an extractor fan on, or window open.
  • If you can’t open your windows or your extractor fans aren’t working, please let us know on 0300 5000 600 so we can get them fixed.

If your home is warm, then there’ll be fewer cold places for wet air to settle and turn into water droplets.

The Energy Saving Trust recommends heating your home to at least 18°C. A low heat running evenly through the day will help tackle mould, even if you don't heat every room daily.

If you’re struggling to heat your home, or concerned your heating isn’t working properly, please contact us on 0300 5000 600.

Removing mould

Sometimes mould will persist and it will not disappear on it’s own. There are several products and methods you can use to kill and remove mould.

Useful resources

Report a problem to us

If you’re having an issue with damp, mould and/or condensation in your home, let us know about it as soon as possible. We can work to resolve it together.

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Connect Housing Association Limited is a charitable association registered in England and Wales under the Co-operative and Community Benefit Societies Act 2014 (Company No. IP17445R) and with the Regulator of Social Housing (No. L2285).

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