You will have to reapply for planning permission and don't worry about living close to someone as there are lots of terraced and semi detached properties, not sure where you but you will have to take into consideration the market rate for properties in your area and find out how much it would cost to build.
You will have to reapply for planning permission and don't worry about living close to someone as there are lots of terraced and semi detached properties, not sure where you but you will have to take into consideration the market rate for properties in your area and find out how much it would cost to build.