The new two story penthouse of lightweight construction with large areas of glazed walls to make it appear to float above the existing building. The facade is detailed to provide maximum sunlight and daylight penetration into the unit with movable glazed screens with large openings incorporating overhangs for solar shading.
Level access is provided to the new unit from the ground floor with a new lift. The fourth floor plan is designed with the staircase, services and storage wall forming a central core. the living area is on this floor together with a meeting area. There is also an additional private study room. the fifth floor is for work use. Amenity spaces are provided on the terraces on the fifth floor. The fifth floor is set back on all sides.