I sent Wille the attached sketch of our wardrobe purchases. We ended up buying 5 cabinets to put on the wall, one 100cm x 236cm high, one 75 x 236, two 100 x 70's and one 60 x 57, stacked as shown. Wille will make 4 doors out of wood so they look built-in, and cover all of the surfaces so we don't see the cabinets, as per my previous posts.
Dusting off my high school math (well, using the internet, really), I calculated that we'll need 8.95 square meters of wood to build the doors and cover everything. So call it ten, I suppose. We'll see if Wille agrees.