Hi,
Recently purchased a new property and this keeps happening, can anyone tell me what it is and how to fix it?
It's in the bedroom upstairs at the front of the house. It's in the corner where the house isn't attached to another house as we're end terrace. It also doesn't go downstairs, it's upstairs only.
It doesn't just seem to happen when it rains, also happens when its very cold.
Any help much appreciated.
Thanks
