I was a bit confused about it being rising damp because of the patches. I thought it would rise up from the ground, but as you can see there are some random patches. Do you know why what could be?
I’m trying to figure out what is causing this area of damp, which is covered in these hard white deposits. We’re in a mid-terrace Victorian property and this is the back wall of the kitchen. Beyond the kitchen is the bathroom, so it is not an exterior wall. I’ve been advised that the issue is rising...