The centerpiece of the building complex is the assembly hall for worship services and community activities in the broadest sense; it has space for 150 people. It was designed to be expandable if needed. In addition, the ground floor includes a youth room, cloakroom, kitchenette, and other ancillary rooms. Further youth rooms are located in the basement. There is also the sexton's apartment. In total, there are approximately 545 square metres of usable, living, and ancillary space, with a total volume of 3,230 cubic metres. The central church hall is 140 square metres and has a volume of 1,015 cubic metres. By opening a sliding wall, it can be extended to include the 52-square-metre community hall.
