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.

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.

Amendments to planning permission dated 01 December 2021 (RN: 20/06093/FULL) for erection of two 2 storey infill extensions to the set-back corners at fifth floor level on the Berkeley Street/Mayfair Place elevation and Berkeley Street/Stratton Street elevation, the demolition of the existing mansard roof and its replacement with a single sheer storey (to match the lower floors) on the Mayfair Place elevation and Stratton Street elevation, erection of an additional set back floor at eighth floor level, plus roof top plant room. Associated external alterations, including to existing ground floor entrances, and alterations to the existing plant/ducts. Use of basement (part), ground (part) and 1st to 8th floor as offices (Class E); NAMELY, to amend the wording of Condition 6.

Variation of Conditions 1 and 5 of planning permission dated 10 November 2021 (RN: 21/02084/FULL) for demolition of first floor and roof behind retained front façade, erection of enlarged first floor storey and roof above, erection of single storey side (south) extension, replacement roof to side (north) projection, alterations to rear projection, alterations to windows, use of both garages as internal living accommodation, alterations to landscaping to side and rear and other alterations; NAMELY, to amend the number, size and location of windows, addition of flue to rear and to amend the Sustainability Report.

Variation of condition 1 of planning permission dated 15th December 2018 (RN 18/09016/FULL) for the 'Erection of a mansard roof extension, alterations to existing facades and excavation of a single-storey basement extension underneath the footprint of the original house, to provide additional residential accommodation'. NAMELY, to amend the approved drawings to include a set of demolition plan to confirm extent of the approved alterations to the facades and a revised set of proposed drawings to be consistent with the demolition drawings (No changes to final design with the application purely to establish exact areas of demolition necessary to deliver approved scheme).

Variation of Conditions 1, 32, 38 and 39 of planning permission dated 19 March 2020 (RN: 18/04665/FULL) which itself varied Condition 1 of planning permission dated 9 March 2018 (RN: 17/03980) for: Demolition and rebuilding of 42 Half Moon Street, 11 White Horse Street and 12 Shepherd Market; demolition and rebuilding of 10 White Horse Street behind retained front facade and erection of a five storey extension on vacant site at 12 White Horse Street. Alterations to all other buildings including demolition works, extensions and excavations to provide additional basement levels, removal of courtyard tree and installation of new plant. Use of the buildings as an hotel with public entertainment and health facilities (Class C1) and seven residential dwellings (Class C3).(Site includes 10 and 11 White Horse Street and 12 Shepherd Market); NAMELY, various internal and external alterations, reconfiguration of basement accommodation including excavation of additional basement levels, enlargement of roof extension and plant area to 10-12 White Horse Street and installation of additional balconies to the rear, infill extension to rear lightwell at 42 Half Moon Street to provide additional plant and reconfiguration of roof plant and provision of additional plant; amendment to wording of Condition 30 (revised cycle parking provision), Conditions 36 (hours of use of drinking/dining areas) and Condition 37 (capacity of hotel drinking/dining areas). Namely, to vary the schedules of approved drawings to reflect the enclosed revised drawings, which illustrate the proposed minor material amendments, accordingly and amendment of Conditions 32, 38 and 39 so that they are in accordance with the revisedTransport Assessment Addendum and Operational Management Plan .

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 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 14 March 2019 (RN: 18/10375/FULL) for 'Alterations at 13-15 Princes Gate including use as a single family dwelling: excavation of basement level; erection of full height side infill extension at first to third floor levels; alterations within area between Kingston House South and 13 Princes Gate including erection of single storey extension at lower ground floor level and installation of new railings, car lift and storage cupboards; demolition and reconstruction of rear ground floor terrace incorporating new spiral stair to lower ground floor level; demolition and alterations at roof level including creation of inset roof terrace and installation of air conditioning and use of 15 Princes Gate to single family dwelling: excavation of basement level; demolition of rear ground floor extension and demolition and reconstruction of rear ground floor terrace; demolition and alterations at roof level including removal of roof extension and creation of inset terrace and installation of air conditioning, alteration and reduction of side infill extension, minor additional basement excavation, minor alterations within rear side garden, to the car lift, to roof lights, front door, at roof level and internally'. Namely, to amend condition 14 to allow extension of construction hours at the site until 21:00 hours Monday to Saturday.