Section 73 application to vary Condition 2 (Development in accordance with Approved Plans) to alter side fenestration, creation of ancillary office, alterations to rear extension, movement of front roof lights, alterations to rear dormer, introduction of guttering and access doors to the rear and side elevations, attached to planning permission 20/00922/VAR dated 2nd July 2020, which granted full planning permission for: "Section 73 application to vary Condition 2 (approved plans and documents) attached to planning permission 19/02416/FUL dated 29th October 2019 which granted full planning permission for: "Demolition of existing part of building to be rebuilt with side windows, construction of a ground floor rear extension and proposed loft conversion with rear dormer including two velux windows on the front elevation to the first floor flat" [AMENDED PLANS AND DESCRIPTION].

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.

Variation of conditions 36, 37 and 38 (parking permits) of planning permission Ref: 2016/02250/VAR dated 5th October 2016, which in turn was to vary planning permission Ref. 2015/02007/VAR dated 30th July 2015 which allowed amendments to conditions so that parking permit restrictions only apply to Units 2, 3, 4 and 5 of the original development as approved under Ref. 2013/03692/FUL, for "Provision of 9 residential units and 211sqm of B1a office floorspace by the erection of a part 4 and part 5 storey building following the demolition of 67 Jeddo Road (with the exception of the ground floor façade), the retention and conversion of 69 Jeddo Road with external alterations including the replacement of all existing windows with new timber sash windows, and a new timber door to front elevation and timber gates to the existing archway entrance; provision of metal railings at the back of pavement and the erection of a full width mansard roof extension with two dormers to rear elevation, the erection of two, 3-bedroom semi-detached mews houses, following demolition of a single storey outbuilding to the rear)." Proposed amendments are to allow the occupiers of Unit 3 to apply for street parking permits.