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Dealing with damp and mould


If you are having problems with damp and mould, please follow our advice below first. If problems continue, and you rent your property, we can investigate this further.

There are three main causes of damp in a property.

Rising damp

Rising damp happens when there is a missing or defective damp proof. This lets moisture from the ground rise up into the property. Rising damp usually appears at low levels along external walls.

If there is rising damp there may be white powdery coating to the wall. The edges of the affected areas normally have tide-marks that are brown in colour.

Penetrating damp

Penetrating damp usually happens when there is water coming in through the walls. This is caused by structural problems such as faulty guttering or roofing.

This normally shows as brown patches on walls, ceilings and floors and may darken after heavy rainfall. 


Condensation is the most common form of damp. It is not normally a building fault but is caused by moist air inside the property which condenses on walls and surfaces.

Condensation is most likely to appear in cold or poorly ventilated properties. Homes heated at different times are more likely to suffer with condensation problems than homes heated continuously. This is because continuous heating keeps the surfaces of the rooms warm which reduces the risk of condensation forming on them.

Normal daily activities such as taking showers and baths, washing and drying clothes, cooking and boiling kettles produce warm air which could lead to condensation. 

Controlling condensation

To control condensation you can: 

✔ Put lids on saucepans while you are cooking to reduce steam

✔ Avoid drying clothes on a radiator. If you need to dry clothes indoors, open the window and close the door of the room where the clothes are drying. This means moisture can escape outside rather than circulate around your home

✔ While cooking, bathing or washing, use an extractor fan or open a window, and keep the door closed. Keep the extractor fan on or the window open for about 20 minutes after you have finished (with the door closed)

✔ When condensation appears, wipe it away

✔ During cold weather it is better to leave the heating on during the day for a even temperature. The temperature can be set a few degrees lower while you are out and turned up when you return

✔ Any rooms you do not use regularly should still be heated to avoid cold areas