The Rooftop Building has a usable floor area of ca. 55 m2, which is divided into a living room with an open kitchen, a bedroom, and a bathroom. The core module is located in the center of the building. It accomodates the building's heating and cooling systems in a small amount of space.

Floor plan of the Rooftop Building (source: Team Rooftop)

The single-storey Rooftop Building provides space for a 2-person household.

One- and two-storey variants of the Rooftop Building (source: UdK Berlin)

On the basis of the one-storey Rooftop Building, a two-storey variant was developed in which the width of the building was increased. This increases the usable floor area to ca. 130 m2, providing living space for four people.