Wolfram Popp built the seven-story Estrade-House on Choriner Straße in Berlin-Prenzlauer Berg (ten apartments, two offices, one shop) with his own development company, at the same time refuting the well-established view that nothing new could be developed in residential architecture. Each of the two apartments per floor, measuring 108 and 79 square metres respectively, consists of a main area and a service zone which runs the full depth of the unit. The two are so sensitively correlated, both with one another as well as with the exterior, that the whole is a successful combination of spaciousness, comfort and privacy. Two elements determine these relations. First, there are the estrades - hence the name - which are elevated platforms, each 40cm high and 1.8m deep, running along the entire width of the apartment, at front and rear. The second is the 'gill-wall', reaching though the entire depth of the unit, and separating the main room from the service area (text by Angelika Schnell).