Variation of conditions 10 and removal of 11 of planning permission dated 17 October 2011 (RN: 11/02866/FULL) which itself varied conditions 2 and 15 of planning permission dated 7 June 2011 (RN: 10/11118/FULL) for the demolition and redevelopment of the site of 6 St James's Square (including 10 and 11 Babmaes Street) and annexe of 5 St James's Square to provide building comprising sub-basement, lower ground, ground and six upper floors for use as offices (Class B1), with art gallery and 14 residential flats (Class C3) over ground and seven upper floors, continued use of 5 St James's Square as offices (Class B1). Namely, to allow change of wording to remove reference to the parking of vehicles of people living in the development and omit the residential car parking at basement level 2.

Notification for prior approval of the change of use of No. 32 from offices (Class B1(a)) to six apartments (Class C3) under The Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) - Schedule 2, Part 3, Class O.

Amendments to planning permission dated 15 November 2018 (RN: 18/03869/FULL) for variation of conditions 1, 3, 4, 6, 8, 9, 12, 17 and 30 of planning permission dated 22 February 2018 (RN: 16/12289/FULL) for demolition of existing buildings to the centre and eastern end of the site and redevelopment comprising erection of buildings of between six and 20 storeys in height to provide 335 residential units (Class C3), a hotel and serviced apartments (Class C1), offices (Class B1), gym (Class D2), retail (Class A1/A3) and a primary school (Class D1) with associated landscaping and open space, highways works, off street ground floor service bays and two storey basement to provide car, cycle and motorcycle parking and ancillary servicing space. NAMELY, to remove the word 'primary' (school) from the description of the development and conditions 17, 18 and 47.

Demolition of existing buildings and redevelopment to provide part 4, part 5 and part 6 storeys building and 2 basement levels for a mixed-use development comprising office floorspace (use Class B1a) at part ground and first to fifth floor levels with terraces at 3rd, 4th and 5th floor levels, 5 residential flats (4 x 2 bedroom flats and 1 x 3 bedrooms flat) with balconies (use Class C3) at first to third floor levels at the corner with Gillingham Row and retail floorspace (use Classes A1/A3) at ground and basement levels with associated works including installation of plant at roof level and alterations to public realm with hard and soft landscaping and the creation of loading bays.

Change of Use from Offices (Class B1(a)) to Dwellinghouses to provide 20 flats including 19 studios and 1x1 bed flat (Class C3). Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) - Schedule 2, Part 3, Class O.

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.

Amendments to planning permission dated 21 October 2019 (RN: 18/04163) for: Variation of Conditions 1, 8,and original condition 24 and removal of Condition 10 of planning permission dated 23 February 2018 (RN: 16/11248) for Demolition of existing buildings on site and redevelopment to provide up to 30 residential units (Class C3), office floorspace (Class B1), gymnasium (Class D2), retail art gallery (Class A1), restaurant (Class A3) and retail (Class A1) floorspace; creation of a new pedestrian link through the site between Yarmouth Place and Carrington Street; erection of buildings either side of the new pedestrian link between 4 and 8 storeys in height excavation to create additional basement accommodation provision of on site car parking, cycle parking and delivery bay on Yarmouth Place new landscaping including improvement works to Yarmouth Place associated alterations; NAMELY to amend the approved drawings to changes to the party wall with 100 Piccadilly and increase the number of car parking spaces by (additional 44 spaces) within the development, and to change the wording of Condition 8 to allow the demolition and construction phases of the COCP to be submitted separately, and to allow the demolition clauses to be included in the S106 agreement. Further alterations received to reduce the size of the basement levels at 01-04; reduction in the size of the art gallery and gym; parking entrance reconfigured; Yarmouth Place elevation amended. Namely, various reconfigurations of cores, residential layouts, car lifts and flats, the realignment of the boundary walls and replacement of Condition 38 (waste storage).