Had a similar problem called in the professionals and they said the problem was condensation advise us to make sure the room was well ventilated and to swop the single radiator to a double hope this...
A firm called (Help your claim) asked to check if I was owed any PPI they came back to me and told me I wasn't owed anything Since then Barclays Bank have told me I was owed £5000.61 pounds due them...