If so, it is likely to be condensation. Condensation happens when moist air touches a cool surface. It forms water droplets. It can also happen when large pieces of furniture, for example wardrobes and beds, are placed against an outside wall.

Preventing condensation in the home is your responsibility. But the good news is there are steps you can take to stop it happening.

Find out more in our handy condensation leaflet.

Do:
 

  • keep a window open when drying clothes indoors
  • keep the kitchen door closed when cooking
  • keep lids on pots and pans when cooking
  • keep the bathroom door closed when running a bath and bathing
  • use an extractor fan in the kitchen and bathroom, if you have one
  • keep your heating on throughout the day in cold weather
  • avoid using flueless gas or paraffin heaters as they produce a lot of moisture
  • heat and ventilate rooms at risk
  • put the tumble dryer hose out of the window or door.

Don't:
 

  • dry clothes over warm radiators
  • overfill cupboards and wardrobes
  • keep furniture and beds hard against walls.