I sometimes wonder what percentage of a piece of green land between houses is taken up by fences and garden sheds. We'd all get so much free space back if there

I sometimes wonder what percentage of a piece of green land between houses is taken up by fences and garden sheds. We'd all get so much free space back if there was a communal shed. Problem is, you have one sunny Saturday then everyone wants the spade. (Writing from perspective of terraced houses in Britain.)