Amendments to planning permission dated 01 December 2021 (RN: 20/06105/FULL) for, 'Demolition of existing roof storeys and rebuilding to create a new sheer storey at fifth floor level and realigned tiered extensions at sixth, seventh and eighth floor level, plus roof top plant room. Erection of full height extension (ground to new eighth floor level) in rear enclosed lightwell. Creation of new terraces on all elevations at sixth, seventh, eighth and roof level. Use of ground floor unit (northern unit) for either retail or office use within Class E and use of the ground floor unit (southern unit) for either retail , restaurant or office use within Class E. Alterations at ground floor to bring the building line forward and align with column line, and including new shopfronts and entrances'; NAMELY, to amend the wording of Condition 6 to allow the submission of the BREEAM certificate prior to commencement of the approved extensions.

Amendments to planning permission dated 19th April 2023 (RN: 22/04610/FULL) for, 'Part demolition, excavation (including beneath Davies Mews), erection of new buildings and alterations to existing buildings comprising: redevelopment of 60 Brook Street; redevelopment of 48, 50, 56 and 58 Brook Street and 16 Davies Mews behind retained Brook Street facades at; redevelopment behind retained and partially reconstructed facade at 52-54 Brook Street; refurbishment with alterations and addition of turret and gables at 40-46 Brook Street and 40 South Molton Lane; redevelopment behind retained Davies Mews and South Molton Lane elevations and front roof at 1-7 Davies Mews and 28-30 South Molton Lane; refurbishment and alterations at 50 Davies Street; refurbishment with alterations and partial demolition and redevelopment of upper floors at 52-54 Davies Street; redevelopment behind reconstructed and extended facade at 56 Davies Street (including the removal and reinstatement of certain building features), and Brookfield House (44-48 Davies Street and 62 and 64 Brook Street); part demolition of ground floor and refurbishment at 10 South Molton Street; refurbishment and alterations at 15-25, 27 and 42 South Molton Street; all to provide a development of up to 9 storeys including Class B1 (Business), Class A1 (Shops), Class A3 (Restaurant and Cafes), Class A4 (Drinking Establishment), composite use comprising public house and guest accommodation (sui generis), Class C3 (Dwellinghouses), Community Infrastructure and Facilities, and Class C1 (Hotel) uses, improvements to public realm and pedestrian routes, servicing, ancillary plant and storage, cycle parking and other associated works'; NAMELY, to make design changes, alter the wording of conditions and amend the approved description of development.

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).

Amendments to planning permission dated 8th April 2022 (RN: 20/03987/FULL) for, 'Part demolition, excavation (including beneath Davies Mews), erection of new buildings and alterations to existing buildings comprising: redevelopment of 60 Brook Street; redevelopment of 48, 50, 56 and 58 Brook Street and 16 Davies Mews behind retained Brook Street facades at; redevelopment behind retained and partially reconstructed facade at 52-54 Brook Street; refurbishment with alterations and addition of turret and gables at 40-46 Brook Street and 40 South Molton Lane; redevelopment behind retained Davies Mews and South Molton Lane elevations and front roof at 1-7 Davies Mews and 28-30 South Molton Lane; refurbishment and alterations at 50 Davies Street; refurbishment with alterations and partial demolition and redevelopment of upper floors at 52-54 Davies Street; redevelopment behind reconstructed and extended facade at 56 Davies Street and Brookfield House (44-48 Davies Street and 62 and 64 Brook Street); part demolition of ground floor and refurbishment at 10 South Molton Street; refurbishment and alterations at 15-25, 27 and 42 South Molton Street; all to provide a development of up to 9 storeys including Class B1 (Business), Class A1 (Shops), Class A3 (Restaurant and Cafes), Class A4 (Drinking Establishment), composite use comprising public house and guest accommodation (sui generis), Class C3 (Dwellinghouses), Class D1 (Non-Residential Institutions) and Class C1 (Hotel) uses, improvements to public realm and pedestrian routes, servicing, ancillary plant and storage, cycle parking and other associated works'; NAMELY, (i) To revise the description of development; and (ii) To amend the wording of Condition 31.

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.