B Bronte Registered User Messages 15,166 24 Sep 2013 #1 Do you require planning permission to increase window size? And would it cost a lot to increase a window from the old cottage style small windows to something a bit larger. Fairly thick walls.
Do you require planning permission to increase window size? And would it cost a lot to increase a window from the old cottage style small windows to something a bit larger. Fairly thick walls.