Originally Posted by Smallaxe
Go with terraces and multiple walls, and space for plantings, even if it is just 'Pompas Grass'... terraces have a better safety margin and looks much better than a huge wall of stone, brick or concrete...
I would prefer this solution, but since this is the only place the kids will be able to roam outside - need a flat surface. Might consider later to cover the wall itself, or incorporate it in somekind of a green design, but do need the leveled wide yard...
Thank you for your advice!