With the exception of Morden and Clapham South, where more land was available, the new stations were built on confined corner sites at main road junctions in areas that had been already developed.
Med undtagelse af Morden og Clapham South, hvor større arealer var til rådighed, blev de nye stationer bygget på snævre hjørnegrunde i store vejkryds i allerede bebyggede områder.