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How to stop condensation forming on your windows

With winter in full swing, you’re probably used to the sight of condensation on your windows by now. Unfortunately, a combination of the freezing cold temperatures outside and the heating constantly being on inside means that condensation is a common problem for many of us at this time of year.


While this may seem like a fairly harmless problem, excess moisture can lead to more serious problems such as damp or mould. The good news is however that there are some simple yet very effective ways to prevent condensation from forming on your windows.

Avoid drying clothes in the house

If you can dry your clothes outside or in a tumble dryer, try to do this. Drying your washing in the house causes excess moisture to escape and condensation to form. If indoor drying is unavoidable, open a window or use a dehumidifier while your clothes are drying to minimise any damage caused.

Make sure your house is properly ventilated

Ventilation is often a problem in winter because we do everything we possibly can to keep the cold air out. If condensation is a problem for you, it really is worth ensuring your home is properly ventilated however.


The easiest way to do this is simply to open a window, even if it’s just for an hour or so. If you’re worried about the house becoming too cold, plantation window shutters can offer you some relief. With the slats open, air can still circulate around the room but it won’t be anywhere near as cold as it would be normally.

If condensation is causing you serious problems, it may be worth having some vents installed. This can include:

  • Air bricks. These are bricks which are specially made with small holes in them. They’re added to outside walls to improve the air flow in a property.
  • Air vents for internal walls.
  • Roof ventilation tiles or ventilated soffits. These will allow air to enter into your house through the loft.
  • Window vents added to the top of your windows so you don’t have to open them to allow air to come through.

Insulate your property

Cold spots found on walls and/or ceilings can increase the likelihood of condensation forming. If you notice these in your property, better insulation such as a cavity wall, loft insulation or specialist insulation materials fixed to the outside of your house can all help to improve the situation. Find out more about Thermographic Inspections and how they can help:

Close doors

You may think it’s a good idea to leave doors open when cooking, boiling a kettle or having a shower but this could actually be doing more harm. Always try to remember to keep doors closed when doing any of these activities to prevent steam from going into colder rooms and causing condensation to form.

Re-arrange your furnishings

Believe it or not, your sofa, desk or bookcase could be making your condensation problem even worse. Try to ensure that furniture is at least 50mm away from any surrounding walls so that air can move around properly. If possible, also make sure that wardrobes are placed against internal walls because they’re not as cold as external walls.

More tips on how to stop condensation forming on your windows can be found by following the link:


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