Amendments to planning permission dated 22nd May 2015 (RN:14/07461/FULL) Demolition of existing buildings comprising street block bounded by Edgware Road, George Street, Forset Street and Nutford Place and redevelopment by erection of a part eight, part nine storey building with roof level plant room, two storey basement containing car parking, cycle storage and other ancillary floorspace to provide up to 24 residential units (Class C3), offices (Class B1) and retail (Class A1) accommodation. Associated external works and landscaping. Namely, to amend description of development to replace reference to "office and retail" with "flexible commercial uses".

Non material amendment for planning application 20/AP/0944 dated 17/11/2021 for redevelopment of the site to include demolition of Becket House and the erection of a 27 storey building with additional level of plant and basement levels in order to provide office use (Class B1), retail (flexible Class A1/A3), cycle parking, servicing, refuse and plant areas, public realm improvements and other associated works incidental to the development. Internal and external amendments comprising: changes to the escape stairs; changes to the lifting strategy; consequential changes to the roof profile, eastern facade, and north terrace; changes to plant and landscaping. Amendments resulting from design development and changes to fire safety regulations.

Amendments to planning permission dated 20 June 2016 (RN: 15/10444) for: Variation of Condition 1 of planning permission dated 8 December 2011 (RN10/01741/FULL) for development of 55-91 Knightsbridge (including retention of Knightsbridge and William Place facades) to provide retail (Class A1) at basement and ground floor levels, office ( Class B1) at part ground, first, and second floor levels and residential flats at part ground, part first,part 2nd and 3rd to 5th floor levels. Off street servicing and new sub basement car park. Removal and replacement of existing tree on William Street. Demolition of 1-2 William Street and its replacement with a redesigned building with internal linkages to 55-91 Knightsbridge. Restoration and repair of external facades and roofs to 3-7 William Street including reinstatement of original roof profile at 4 William Street, conversion of 1st to 3rd floor levels of 3 and 4 William Street for residential purposes ( Class C3). Namely, the substitution of new drawings to allow minor material amendments comprising a revised number and mix of residential units; the provision of a terrace for a residential unit on the western end of the building; erection of a lift shaft to the rear of 4 William Street; alterations to shopfront of Nos. 3 - 4 William Street; extension at 4th floor level to the rear of Knightsbridge; and reconfiguration of the fenestration. Namely, amendment to the external air vent at 4 William Street.