We built on the boundary which is shown in our deeds as being our boundary. When we bought the property our solicitor emphasized the fact that this was our boundary and therefore we were responible for it's unkeep.
When we bought our house many years ago the solicitor explained that the boundary on the north side of our property was our boundary and that we were responsible for it's maintenance.
A few years later we decided to build a single storey extension and to maximise the width (just 8ft...
