Alteration and extension to the existing building, including: (i) demolition of the existing mansard roof; (ii) erection of a replacement fourth floor and an additional two storey roof extension to provide additional office accommodation (Class B1) (net increase in floorspace: 273sq.m GIA); (iii) erection of a rooftop plant enclosure; (iv) associated works at ground floor level.

Part refurbishment and part demolition, excavation and redevelopment involving the erection of an additional four storeys to provide a ground plus 13 storey building with publicly accessible route through the site, incorporating gym and swimming pool (Use Class D2) at basement levels, gym and flexible floor area uses (Use Classes A1-A5, B1, D2) at basement level, retail (A1-A5) at ground floor level with access to offices and rooftop restaurant and public viewing gallery, office accommodation (Use Class B1a) from levels 1-13, roof top restaurant (Use Class A3) and publicly and privately accessible roof terraces, landscaping and other associated works.