1 Hanover Street London W1S 1YZ
Installation of new front and end-of-trip facilities entrances on Hanover Street; alterations to the internal atrium; replacement of roof structures and upgrading plant and creating new pavilion and terrace on the roof; introduction of a new mansard roof onto Hanover Street; infill extension on Princes Street at 5th and 6th floor; alterations to the Cupola; replacement of existing artwork; reorganisation of internal partitioning; installation of photovoltaic panels; cleaning and repairing facades; and associated works.