How to prevent condensation, damp and mould

Ventilation is key when it comes to preventing condensation, damp and mould as this will help any moist air escape. As air circulates round the home, it is drawn outside through windows, doors, vents and extractor fans etc. The way to prevent mould escalating is to remove it as soon as it is noticed by thoroughly cleaning and drying the area.

Click here to read our guide on How to clean condensation, damp and mould.

Condensation, damp and mould can be prevented as much as possible by following some simple tips:

Opening windows

Cooking

Baths and Showers

Furniture

Drying Washing

Constant Temperature

Opening Windows

Keep your home well ventilated by opening windows for a few minutes each day, this will allow air to circulate. However during cold weather, it is important not to over-ventilate your home by leaving windows open for long periods as this will cause your walls to lose all of their stored heat and create cold spots. Use any trickle vents and do not block up air vents.

Keep windows free from moisture by wiping/cleaning them down regularly, remember to include the frames and window cills. There are useful tools available to assist you such as window vacs.

Drying Washing

It is always best to avoid drying your washing indoors. However, we understand that this can be difficult, especially during the colder months, and we recognise that not all homes have, or can afford to use, tumble dryers.

If you do have a tumble dryer, make sure that this is vented properly.

When drying clothes indoors do not place items on radiators, this could lead to damage. Try drying them in one room only and keep the door shut and window open.

Constant Temperature

Heating is a key element in reducing condensation. This is because warm air holds far more moisture than cold air. Sudden rises and drops in temperature can worsen a condensation problem. Having your heating on a constant low background heat can reduce the chances of damp forming better than frequently changing between hot and cold.

It does not need to be hot, just warmer than the outside. The constant heat will help evaporate the moisture in the air.

Avoid putting the heating on for short periods of time as this will make the problem worse. The air absorbs water vapour more quickly than the walls warm up. When the heating is turned off, the air cools rapidly and condensation therefore increases and cools the walls further.

You may use a little more energy initially as your home warms up but once it is sufficiently warmed up your energy use will reduce.

Opening Windows

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