As soon as you enter the building, you are greeted with a thrilling juxtaposition of the old and the new in Radialsystem’s light-flooded Foyer. The bar, made of cool exposed concrete, stands parallel to the hallway and marks the centre of the extensive glass structure. And just beyond the bar, the remains of an historical wall of the old pumping station towers above, spanning three floors.

The Foyer provides access to both the Main Hall (Halle) and the Side Hall (Saal) and leads due south directly out onto the Spree Terrace. All five upper floors are accessible from the Foyer by stairs and/or elevator.