Damp and condensation are common causes of complaint. Damp housing is unhealthy, smelly and will cause mould and damage to the property and your possessions. There are three main causes of dampness. Rising damp .
Damp patches appear lower down on the wall.
Dampness is coming up the wall from the ground because the damp proof course is not working. In some older properties and in places below ground level there may not be a damp proof course. The Landlord or Agency will need to investigate and will probably need to get a specialist survey carried out followed by remedial work to sort the problem out. Affected areas will need re-plastering. Penetrating damp .