The room assignment on this page is a proposal from Lara Earthling and no fixed plan to be carried out. Still, the general idea to go from more open to more private the higher up you go in the building is shared by most people involved.
In house 20 some of the measurements did not fit, so better see this plans as very drafty to get a rough overview to assing rooms. Mostly the staircase of house 20 is very inacurate, but thats not so important at the current point in time.
Building layouts without assignes rooms: