How else can I fix this? Its a bedroom which is far away from the bathroom, we dotn dry clothes on radiators etc, dryer is down stairs at the opposite side of the house, window is ajar all day, I don't know how it can possibly be condensation
I really really need help/advice. Last summer I got new windows and then in the winter noticed water drips along the wall/ceiling (see below) we thought maybe the windows were now much better and not letting any air at all escape, so we added vents (as seen in picture) we had no problems all...