When we moved into our house there was a large damp patch on one wall near a patio door and a couple of smaller patches elsewhere. There was also some mould on and around window frames.
We have very bad condensation so every morning I go around and wipe all the windows with a towel and open them wide for at least an hour. They are then left on the vent opening all day and only closed fully at night. The bathroom window is always opened after a bath/shower and the kitchen window is opened whilst cooking.
We also have a dehumidifier running 24/7
We don't dry clothes indoors (things are sometimes finished off on an airer but never hung inside from wet).
Despite all of this the damp patches are getting larger and multiplying and the window frames all have mould on them, I wipe them every couple of weeks with bleach but they are still black.
I have also noticed that the paint is flaking on some of the skirting boards near the patio door in the rooms where the damp is worst (these rooms are an extension).
Is the landlord likely to blame us for the damp? It is really quite bad...
What else can I do to minimise it?