The 100m2 penthouse located in the centre of Poznan is in dominant black. The functionality of the design comes from an open living room with a kitchen as a central place. Other rooms are: a study room with a library, a bedroom with a wardrobe and a full bathroom, and the guest bathroom outside the private bedroom area. Every room is accessed from a corridor with linear lighting, and walls upholstered in natural black wool that makes the space friendly. There is marble used in the bathrooms offering the interior a wealth of elegance and making it a timeless treasure.