The rooms are extemely damp. Check you have a damp course, gutters and downpipe are not leaking or full of debris, holes in the roof, or any other route for water to leak in. Do you dry washing on the radiators? Try a dehumidifier to reduce damp.
Sorry, we can't find any related questions. Try using the search bar at the top of the page to search for some keywords, or choose a topic and submit your own question.