Variation of Condition 1 of planning permission dated 05 June 2020 (RN: 19/08751/FULL) for, 'Erection of rear extensions at second, third and fourth floor levels to incorporate a new lift; demolition of existing mansard roof and erection of replacement mansard; demolition and replacement of rear courtyard floor slab; installation of air conditioning units at roof level and under pavement basement vaults; demolition and rebuild of two chimney stacks on the mews; replacement of windows on all elevations of the main house, demolition and re-building of rear ground floor toilet annexe, and associated internal and external works'; NAMELY, to allow the reduction in width of the consented new southern rear windows on the second, third and fourth floors; amendment to consented rear walk on roof light panes in courtyard to align glazing bars with door openings above; addition of wall lights either side of front light well basement entrance door; addition of security cameras on the front and rear ground floor elevations; installation of an intercom to the right of the main entrance door; new handrail and balusters to staircase between second and fourth floor; and various internal alterations to all floors, landscaping works to the rear courtyard comprising rendering; stone paving; installation of light fixtures and installation of trellis panels.

Variation of Condition 1 of listed building consent dated 05 June 2020 (RN: 19/08752/LBC) for, 'Erection of rear extensions at second, third and fourth floor levels to incorporate a new lift; demolition and replacement of rear courtyard floor slab, replacement of the existing mansard roof and raising of chimney stacks; demolition and rebuild of two chimney stacks on the mews; replacement of windows; installation of air conditioning units at roof level and under pavement basement vaults; Internal alterations including; installations of Fan Coil Units and services throughout, replacement of chimneypieces; replacement floor finishes, insertion of partitions and redecoration throughout'; NAMELY, to allow the reduction in width of the consented new southern rear windows on the second, third and fourth floors; amendment to consented rear walk on roof light panes in courtyard to align glazing bars with door openings above; installation of a new concrete slab below the paving in the front lightwell; addition of wall lights either side of front light well basement entrance door; addition of security cameras on the front and rear ground floor elevations; installation of an intercom to the right of the main entrance door; new handrail and balusters to staircase between second and fourth floor; landscaping works to the rear courtyard comprising rendering; stone paving; installation of light fixtures and installation of trellis panels and various internal alterations to all floors.

Amendments to planning permission dated 4th March 2020 (RN 19/06767/FULL) which permitted variations to conditions 1 and 24 of planning permission dated 27 March 2019 (RN: 16/11376/FULL) : Namely to amend the description of development to read as follows: Variation of conditions 1 and 24 of planning permission dated 27 March 2019 (RN: 16/11376/FULL) for the: Demolition of the existing buildings at 19-35 Baker Street, 88-110 George Street, 69-71 Blandford Street and redevelopment to create a mixed use scheme providing commercial uses and up to 51 residential units within a new ground plus nine storey building (and an enclosed plant area) on Baker Street; a new stepped ground plus four to ground plus six storey building on George Street; refurbishment, extension and the change of use of the first floor from office to residential at 30 Gloucester Place; creation of a single storey basement level linking the Baker Street and George Street buildings to provide car and cycle parking, refuse and servicing; creation of a new central, publicly accessible courtyard; removal of 5 trees and replacement trees across the site, a new publicly accessible route at ground level connecting Baker Street and Gloucester Place; associated plant, landscaping, replacement pavements in part and other associated works.(Linked application 16/11377/LBC) AND; amendments including internal reconfigurations to 30 Gloucester Place and changes to approved plant layout, amendments to the ground floor retail shopfronts on the 19-35 Baker Street building; internal reconfigurations to 88-110 George Street resulting in a re-distribution of the residential mix, a change to the residential entrances, amendments to rooftop plant and green roofs, replacement of glazed windows with blind windows on the north, east and west elevations, and amendments to courtyard landscaping and green roofs of courtyard buildings.

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 Condition 1 of planning permission dated 01 March 2018 (RN: 17/09342/FULL) as amended by a non material amendment dated 18 May 2020 (RN/20/03063) for, 'Demolition including the existing fourth floor, roof above and partial demolition of rear wall. External alterations including the erection of a replacement fourth floor with an additional single storey mansard storey at fifth floor level above; erection of an extension to the rear to new fifth floor level to provide an additional seven bedrooms for use in connection with the existing hotel (Class C1); extension to existing lift shaft with overrun and creation of new lift shaft with an overrun at new roof level; creation of a new green roof; relocation of existing roof plant within enclosures in two locations at fourth and fifth floor levels. reinstatement of Juliet balconies at first floor level and the erection of a new portico at ground floor level along the Clarges Street frontage. Internal alterations at all levels throughout and associated works (Site includes 39-42 Clarges Street)'; NAMELY, to allow the reconstruction of the rear wall of no. 7 Half Moon Street and the reconstruction and extension of the rear wall of no. 8 Half Moon Street; removal of a closet wing wall at the rear of no. 10 Half Moon Street closest wing wall to facilitate a larger, more accessible lift lobby and associated removal of an adjacent window; rebuilding and straightening of a corridor on the first and second floor of nos. 7 and 8 Half Moon Street; and associated works.

Variation of condition 1 and removal of condition 6 of planning permission dated 23 April 2019 (RN 19/01643/FULL) for 'Demolition of existing building, excluding front elevation and party walls, and construction of replacement building with mansard roof and rear extensions and altered front lightwell'. Namely; to amend the design and material (crittall/ metal frames) of the rear first floor window and rooflight.