Amendment to planning permission dated 20 June 2016 (RN:15/10444/FULL) for the variation of Condition 1 of planning permission dated 8 December 2011 (RN:10/01741/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, variation of Condition 17 with substitution of a revised Energy Strategy.

Amendments to permission dated 28 July 2021 (RN: 20/05512/FULL) (which varied permissions dated 1 May 2019 RN: 18/09619/FULL, 1 February 2019 RN:18/00506/FULL and 29 April 2016 RN: 15/11404/FULL) for variation of conditions 1, 14 and 17 of permission dated 1 May 2019 (RN: 18/09619/FULL) (which varied permissions dated 1 February 2019 RN:18/00506/FULL and 29 April 2016 RN: 15/11404/FULL) for 'Demolition and redevelopment of the site to provide a residential complex comprising 39 units of self-contained assisted living accommodation integrated with facilities including communal kitchen-cafe, storage areas, wellness centre/spa, guest accommodation, staff accommodation, staff offices, in two linked buildings of six storeys each, internal courtyard, roof terrace, excavation to create basement storage and 38 car parking spaces with access from Horseferry Road. Namely, to allow amendments including removal of car parking stacking system, revised new basement floor layout, reduction in car parking spaces to 26, and provision of 5 electric charging points'. NAMELY, to amend the description of development to read as follows: 'Demolition and redevelopment of the site to provide a residential complex comprising 39 units of apartments integrated with facilities including communal kitchen cafe, storage areas, wellness centre/spa, staff accommodation, staff offices, in two linked buildings of six storeys each, internal courtyard, roof terrace, excavation to create basement storage and car parking spaces with access from Horseferry Road'.

Notification for prior approval of the change of use of the first, second and third floors from Office (Class E) to five self-contained flats (Class C3) under The Town and Country Planning (General Permitted Development Etc) (England)(Amendment ) Order 2021 , Schedule 2, Part 3, Class MA

Variation of Condition 1 and removal of Condition 21 of planning permission dated 4 December 2020 (RN: 20/06798/FULL), 'Alterations including 7th floor roof extension, alterations to office and retail entrances/shopfronts on Great Marlborough Street; reconfiguration of western lightwell elevation, installation of photovoltaic panels, green roofs, new extract ventilation duct and new plant enclosure at roof level and creation of office and residential terraces. Use of lower ground, part ground and part 1st to part 7th floors as offices (Class B1); use of part ground floor for dual/alternative retail (Class A1) or restaurant (Class A3) purposes; reconfiguration of existing flats and provision of one additional flat; use of basement to provide plant, cycle parking/showers waste storage and car parking (site includes 11 Ramillies Place)'; NAMELY, to amend the basement layout of the develpment, including the removal of seven car parking spaces for the residential units. (Application under Section 73 of the Act).

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).