When Tower 42 was built was the first tower in London built by Natwest bank. Unfortunately, the need for larger floorplates became apparent soon after it was built, therefore the bank never moved the whole team in the tower. The functionality of the new design is the expansion of the floor plates - through the introduction of a clever facade without the need to change the existing structure. At the moment, the concrete core is surrounding by 3 existing cantilevered leaves. Each leaf (A,B,C) is to work as a branch of the Core. The new branches will create a spiral 3 dimensional movement interconnected to the core both vertically and horizontally; this will allows for constant movement changes giving maximum structural strength. The new facade is designed to carry the load to the ground allowing for the larger floor plates to be increased by 30% making the tower more commercially viable. The internal areas are still open plan, even if the new construction is blended with the old. Six new communal garden are implemented to the design, assisting with the natural ventilation of the building, the occupants' amenity and well-being and creating a very sustainable building. The concept is to create a sculpture.