The neighbours four year old extension starts on top of our shared (probably Victorian) garden wall. I've been digging a hole to see how far down it goes down / whether they underpinned it at all and... there's nothing there. It stops one course below ground level.
I'm supposed to be building an extension up against theirs so this is a problem isn't it? Anyone got any suggestions as to what to do about it/how big a problem? Pictures attached...
I'm supposed to be building an extension up against theirs so this is a problem isn't it? Anyone got any suggestions as to what to do about it/how big a problem? Pictures attached...