. The uncertainties involved can lead to a waste of materials and space, as dwellings get constructed in stages with doubled-up walls, each on its own land, with complicated foundation structures to avoid footings encroaching under the neighbours' land. The uncertainties involved can lead to a waste of materials and space, as dwellings get constructed in stages with doubled-up walls, each on its own land, with complicated foundation structures to avoid footings encroaching under the neighbours' land. Conversely, if a neighbour is "certain of his rights" and just gets on with it, then major problems can arise, which can spend years (and thousands of pounds) going.
The.
