Parking is on private property of the shops, but open to public.
The grasfeeld is that, a grasfeeld and not a parking 
I base my clame on the fact the area mentiond is "perseel O904z10" on the official kadaster gis website of teh government.
"http://ccff02.minfin.fgov.be/cadgisweb/?local=nl_BE" 