This greenhouse kit looks like it is part of a estate garden. The white-frame building sits atop a fieldstone foundation. In many greenhouse kits, all the structural components are predrilled and the panels are cut to fit, so nearly anyone can erect one.
I mitt paradis: Grindar på plats - driveway yard needs to be this wide, with entry wider. Building in back here would really be a retaining wall to gabion fence above, and maybe a water drain design to the left to go further downhill.