theres another squat that looks very similar, my mate used to live there and i spent a week stating there in the dead of winter a few years ago.
its on koeperniker(sp?) strasse in kreuzberg (sp again?) , hence the name koepi.
it wasnt a nice place to stay. the people were pretty miserable, there was a very bad vibe in that place, very bitter people. i did go to another squat to see a kraut rock band called embryo which had much more of a warm hippy vibe going on. cant remember which part of berlin it was in but the gig was amazing.
i thought the pic you posted was a view from the back or something. i didnt do alot of exploring while i was there. i spose alot of old buildings in berlin look pretty similar. it is an amzing building though.