The building envelope of the old oil mill in Prague is the material and conceptual basis for an intervention with the aim of gaining multi-storey apartments. The architectural office Baumschlager-Eberle was able to reflect Corbusier's complex spatial organisation for the Unitées d'habitation in the old building. The Viennese architecture publicist Dietmar Steiner once called it "Programmatical realism", and it works in Prague, especially with regard to the connection between the new object and the existing building, which encloses the spatial context with its glass facade on the courtyard-side.