An important role in its decoration is played by the cantilevered stairs that lead to the upper level, with profiled butts to the steps.

All are unadorned cubes or slabs on the outside, with surprising protrusions and curves inside - like cantilevered stairs and rotund furniture.

It has one of Britain's finest baroque interiors and amazing cantilevered stairs, exceptional wood carving and unusual central corridors which run the length of the house.

The stair is a sensuously curved cantilevered stair - the first embodiment of all the cantilevered stairs of independent slab risers that Breuer would make a signature of his American work.

The sweep of the box office desk and the walls of the exhibition spaces are designed to draw visitors to the heart of the building and up the concrete cantilevered stairs to the upper floors, where the bar and Picturehouse cinema screens are housed.