Thank you for the reply. Went up on a ladder and indeed the drainage hole under the bottom window was blocked - unblocked it and out came a small waterfall. Thank you!
I am still unsure about the top window though - tried taking a photo but too risky up the ladder and don't think it would...
Hi
I wonder if anyone can help...one of the windows in our spare room is leaking a small amount of water. It is coming through where two pieces of the upvc meet (picture attached hopefully - where there is an L shape on the corner). Both the upper opening window and lower fixed one are doing...