[LoBelly]

I'd be inclined to put a (neighbour friendly) lean-to on the back after the council have gone away

Something that you can live without in the event that it has to be removed or that can be easily relocated if the council need to get to the easement (mostly they don't)

You could put your compressor(s) or any remnant gardening tools out there
and you can also park some water tanks on it.

I have an easement and that's my plan for 'behind the shed'

LoBelly