Non-material amendment to planning permission CA/20/01679/FUL for partial demolition, change of use, extension and refurbishment of existing buildings and erection of new buildings between two to five stories in height, to provide mixed-use development comprising 33 self-contained units of accommodation, 32 services apartments, retail, restaurant and office space and community facilities, together with a new pedestrian retail arcade and market hall, public squares and public realm, pedestrian access, ancillary vehicular and service access, servicing, disabled parking area, soft and hard landscaping. to allow the amendment to the trigger points for conditions 05 (surface water drainage), 07 (remediation strategy) and 36 (odour) and an amendment to the wording of condition 18 (demolition).

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.