Amendments to planning permission dated 14 February 2017 (RN: 16/07801/FULL) for the: Demolition of 18 and 19 Buckingham Gate and their replacement with a building comprising sub-basement, basement and seven upper floors, including the creation of terraces at first, fourth, fifth, sixth and roof levels; off-street car parking and car lift accessed from Catherine Place and mechanical plant at basement and roof levels; in association with the use of the building as 13 residential flats (Class C3) (7 x 2 bed, 5 x 3 bed and 1 x 4 bed flats) namely, to allow internal layout alterations, amendment of landscaped areas, alteration of rear basement courtyard layouts, alterations to facades, and amendment of roof layout.

Variation of Condition 1 of listed building consent dated 19th July 2018 (RN: 18/02362/LBC) for, 'Demolition of rear facade of Nos. 96-98 Baker Street and front and part rear facades of No. 14 Sherlock Mews, use of first to fourth floors of Nos. 96-98 Baker Street as eight residential flats (Class C3), amalgamation of flats at first and second floors of No. 14 Sherlock Mews into a maisonette (Class C3), erection of replacement shopfronts to Baker Street facade, erection of replacement rear facade to Nos. 96-98 Baker Street, erection of replacement front facade to No. 14 Sherlock Mews, alterations at roof level, and other associated external alterations'; NAMELY, (i) Amendments to the design of the main door of the residential entrance at the Baker Street front elevation; (ii) Amendment to the material finish of the residential entrance to the building at the Baker Street front elevation; (iii) Internal layout changes to 1st - 4th floor flats at 96-98 Baker Street; (iv) Reconfigured exhaust shaft for theatre at 1st floor terrace to the Baker Street rear elevation; (v) Modification to bedroom windows at the Baker Street rear elevation to accommodate exhaust shaft for theatre; (vi) Revised location of access hatch to roof; (vii) Reduced area for clerestory pop-up at Baker Street rear elevation; (viii) Addition of a guard rail at roof level; and (ix) Introduction of external pipework to the Baker Street rear elevation.

Amendments to planning permission dated 19th July 2018 (RN: 18/02233/FULL) for, 'Demolition of rear facade of Nos. 96-98 Baker Street and front and part rear facades of No. 14 Sherlock Mews, use of first to fourth floors of Nos. 96-98 Baker Street as eight residential flats (Class C3), amalgamation of flats at first and second floors of No. 14 Sherlock Mews into a maisonette (Class C3), erection of replacement shopfronts to Baker Street facade, erection of replacement rear facade to Nos. 96-98 Baker Street, erection of replacement front facade to No. 14 Sherlock Mews, alterations at roof level, and other associated external alterations'; NAMELY; (i) Amendment to the main door of the residential entrance to the building at the Baker Street front elevation; (ii) Amendment to the material finish of the residential entrance to the building at the Baker Street front elevation; (iii) Internal layout changes to 1st - 4th floor flats at 96-98 Baker Street; (iv) Reconfigured exhaust shaft for theatre at 1st floor terrace to the Baker Street rear elevation; (v) Modification to bedroom windows on the rear elevation of 96-98 Baker Street to accommodate exhaust shaft for theatre; (vi) Revised location of access hatch to roof; (vii) Reduced area for clerestory pop-up at Baker Street rear elevation; (viii) Addition of a guard rail at roof level; and (ix) Introduction of external pipework to the rear elevation of 96-98 Baker Street.

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 14 August 2020 (RN: 18/10588/FULL) for, 'Demolition of existing building and redevelopment to provide a new building comprising basement, ground and first to eighth floors. Use of part basement and ground floors for dual/alternative retail (Class A1) or restaurant (Class A3) purposes, use of the remainder of the property as up to 37 flats (Class C3), ancillary residential amenity, cycle parking; provision of photovoltaic cells, a green roof and associated plant'; Namely, to amend the wording of Condition 8 (Code of Construction Practice) to split Part C into two parts: Part i Construction up until the completion of the superstructure and Part ii Construction post-completion of superstructure to project completion.

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 listed building consent dated 01 September 2020 (20/03687/LBC) which varied Condition 1 of the listed building consent dated 14 December 2019 (19/07326/LBC) for the amalgamation of Flats 1 and 2 on lower ground, raised ground floor and first floor level; Rebuilding of rear extension including provision of French doors onto existing rear ground floor terrace; Reconfiguration of existing lightwell areas and glazed roof over raised ground floor light well enclosure; Lowering of existing lower ground floor level including amendments to the approved layouts of the non-original rear extension at lower ground, raised ground and first floor levels, repositioning of approved rooflights at first floor and garden terrace, and adjustment to the lightwell proportions; Namely, to amend the height of the boundary party walls with Nos. 48 and 50 Ennismore Gardens to the rear terrace area, amendments of the French door arrangement to the rear of the property (raised ground floor level) and modifications to rooflights over approved rear lightwell area.

Variation of condition 1 of listed building consent dated 25 May 2016 (RN 16/05217/LBC) for the Use of the Fire Station (ground floor) as Class A3 and (four upper floors) as Class C3 use (6 flats) with associated internal and external alterations. Demolition of the existing rear buildings and replacement with a five storey residential building to provide 11 flats with balconies, excavation of one storey basement under the entire footprint of the site to accommodate A3 use and residential use. Installation of photovoltaic panels to roof level of rear building. Rebuilding of the existing rear tower with installation of plant on top from RN 16/05217/LBC, NAMELY, to vary the approved drawing numbers to amend the design including replacement of loft door with window, revision to the size of dry riser inlet, an increase of 4 PV panels on the roof of building B, a reduction in the size of the Building's Automatic Opening vent within building A, revision of the placement of pavement lights to skylights at second floor terrace of building B, removal of skylight at first floor terrace within building B, removal of upper level plant access door to the stiar tower, decrease the AOV size to east boundary elevation, facade repointing to the front elevation of the Fire Station.

Variation of condition 1 of planning permission dated 3 March 2020 (RN 19/09981/LBC) for the Variation of condition 1 of listed building consent dated 20 February 2016 (RN: 15/10446/LBC) for the: Development of 55-59 Knightsbridge (including retention of Knightsbridge facades, demolition and the dismantling and reinstatement of roofs and chimneys) to provide retail (Class A1) at basement and ground floor levels and 18 residential flats at first, part second floor and third to fifth floor levels. Demolition of 1-2 William Street and its replacement with a redesigned building with internal linkages to 55-91 Knightsbridge. Namely, to allow alterations to William Street Residential Entrances, door to Wilton Place, fenestration changes to rear facade, increased lift Shaft to rear face of William Street, merlons to west elevation, West façade end bay reconstructed, chimneys to coping stone detail in mansard, pavilion gable apex roof stones, ridge height of mansard roofs, projecting signs to shopfronts, retained parapet to no. 55 Wilton Place, general layout alterations, and associated works from RN 19/09981/LBC, NAMELY, to vary the approved drawing numbers to amend the design of the external vent at no. 4 William Street and the removal of a ceiling at third floor level.

Amendments to planning permission dated 18 April 2016 (RN: 11/10055) for: 1) Use of void areas within station building at basement, ground and mezzanine floors fronting onto Oxford Street for retail purposes, and erection of a building comprising first and six upper floors with roof top plant to the north of Fareham Street for use as 69 flats (Site C). 2) Use of ground floor void area fronting onto Dean Street and Fareham Street for retail purposes and erection of a building comprising first and five upper floors with roof top plant to the south of Fareham Street for use as 23 flats (Site D) NAMELY, amendment to Block C parapet heights and provision of inward openable windows; and on Blocks C and D the removal of the building maintenance unit and installation of a rooftop generator to approved under planning permission Ref. 20/00345/NMA.