Variation of Condition 1 of planning permission dated 04 September 2020 (RN: 20/03854/FULL) for, 'Demolition and replacement of existing fourth floor, demolition of existing plant room, and erection of a single storey roof extension at fifth floor and rear extension at second to fifth floor levels in connection with existing office (Class B1) use, provision of new main office entrance, flexible use of part ground and basement floor for either retail or office use (Class A1/B1), creation of roof terrace at fifth floor level, provision of cycle parking spaces and facilities, roof plant and associated external alterations, including replacement windows'; NAMELY, to amend the approved drawings to replace a single ground floor level window on the north elevation with a door and to erect of a bridge over the existing lightwell to provide a secondary fire-protected egress point.

Variation of Condition 1 of planning permission dated 19th April 2023 (RN: 20/04541/FULL) for, 'Erection of an extension at the rear of 18-22 Wigmore Street at first to fourth floor levels and alterations to the rear roof form to allow conversion of the attic space to provide additional residential floorspace for the existing flats (Class C3), including the infilling of an internal lightwell adjacent to 16 Wigmore Street and the installation of a new lift. Alterations at basement and ground floor level including the infilling of a rear lightwell at basement and ground floor levels. Installation of plant within an associated enclosure at rear first floor level with a green roof over and screened plant on a flat roof at fourth floor level to the rear of 22 Wigmore Street. Alterations to the front of the building including new windows, shopfronts and metal railings at ground floor level. All in connection with the dual / alternative use of the basement, ground and first floors as either office (B1) / retail (A1) or a sui generis use comprising piano showroom, office space, new recital room, piano practice rooms and workshop space and use of the second to new fifth floors as 8 residential units comprising 3 x 1 bed; 4 x 2 bed and 1 x 3 bed' (SITE INCLUDES 18, 20 AND 22 WIGMORE STREET); NAMELY to install additional plant at rear first floor level and amend the approved enclosure, decorative cladding and green wall. (Application under Section 73 of the Act).

Variation of Conditions 19, 20, 21 and 31 of planning permission dated 22 May 2015 (RN:14/07461/FULL) of 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, proposal seeks to amend the wording of conditions 19, 20, 21 and 31.

Variation of Conditions 1, 11 and 15 of planning permission dated 4 March 2020 (RN: 18/10021/FULL) for, 'Part demolition of, and extensions to, the existing buildings, including a 2 storey roof extension; the refurbishment of the existing and creation of new office (Class B), hotel (Class C1), retail (Class A1 - A5) and Leisure and non-residential institutions (Class D1 - D2) floorspace with ancillary functions; basement refurbishment works; the erection of a 5 storey pavilion on the corner of Piccadilly and Dover Street; Installation of plant at roof level; hard and soft landscaping works as part of an improved public realm offering at Dover Yard and pedestrian route between Dover Street and Berkeley Street, including the creation of additional retail outlets; and other ancillary works. (Site includes 1 - 7 Berkeley Street)'; Namely: to amend approved drawings to deliver a contractable canopy to the east side of Dover Yard, addition of a canopy to the hotel entrance at Berkley Street, expansion of the green wall to Berkeley Street and Dover Yard, revised landscaping scheme for Dover Yard, introduction of a small retail kiosk at Dover Yard Passage, amendments to lift overrun and plant screen, and minor façade amendments to the Annex Building (all amendments to drawings approved under Condition 1); to support the allowance of an experiential car retail showroom use (sui generis) within the commercial units (amendments to Condition 11); and, to allow the placement of furniture in Dover Yard to be subject to a Management Plan (amendments to Condition 15).

Amendments to planning permission dated 13 January 2022 (21/05212/FULL) for Variation of Conditions 1 and 19 of planning permission dated 12 October 2017 (RN: 17/01327/FULL) for the 'Erection of a two storey roof extension and infill extension at rear ground to fifth floor levels to provide additional office accommodation (Class B1). Use of the basement and ground floor levels to provide retail (Class A1) and restaurant (Class A3) uses. Complete facade refurbishment to all elevations. Provision of terraces at rear second to seventh floor levels. Installation of mechanical plant and lift overrun within an enclosure at roof level namely, to amend the wording of Conditions 5 and 18 to remove reference to 'you must not start work' and replace this wording with 'you must not start any work on these parts of the development'.

Variation of Condition 1 of planning permission dated 8 October 2019 (RN: 19/06149/FULL), as amended by non-material amendment dated 28 July 2020 (RN: 20/02998/NMA), for external alterations to the St James's Square and Pall Mall facades, including alterations to windows and entrances, new entrance from Pall Mall and cleaning of brickwork; erection of roof extension to incorporate lift overrun, roof access, concealed open plant area and new plant; and dual/ alternative use of part of the ground and basement levels as either office (Class B1) or retail (Class A1); and associated works. NAMELY to allow amendments including the inclusion of the planter and louvre located adjacent to the building along St James's Square and reconfiguration of the ventilation strategy/ vent above the St James's Square facade central bay window at level 6.

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).