I let out a detached property and am replacing all the upstairs DG windows. They are old and inefficient anyway, but in just one bedroom – the north east corner of the building – there is a bit of a mould problem. The tenant is trying, will leave windows open and has those little boxes with crystals in them. I am hoping the new double glazing will fix this (I’ve had several builders etc look at it and all feel it is condensation that is the problem).
I did give them my big professional dehumidifier (before anyone suggests that) and I know that would solve the problem – it would turn the atlantic into the sahara frankly – but they find it too noisy to use at night and don’t want to leave it on when they are out.
I wonder whether to have trickle vents put into the windows. Apparently as long as the windows don’t already have them, I’m not required to, but of course once I’ve put them in they will always have to have them.
Anyone got any experiences/advice to share?