Variation of condition 1 of planning permission dated 8th June 2022 (RN: 21/07082/FULL) for the alterations to 6 Charles Street to include the erection of a single storey mansard roof extension and changes to the fenestration on Hays Mews elevation, partial demolition and rebuilding of 1 Hays Mews and amalgamation with 6 Charles Street; all to enlarge existing flats (Class C3). Creation of a courtyard at rear ground floor level of 1 Hays Mews and a terrace to the rear of 6 Charles Street at fifth floor level, installation of green roof areas to the main roof of 1 Hays Mews and the rear of 6 Charles Street at part fifth floor level. [SITE INCLUDES 1 HAY'S MEWS]. NAMELY, to allow external alterations to both Charles Street and Hays Mews elevations including replacement of entrance door and surround at 6 Charles Street, amendments to the window fenestration to mews internal lightwell, new rooflight and AOV vent; and internal alterations to apartment layouts. (Application under Section 73)

Variation of condition 1 of planning permission dated 4th October 2022 (RN 22/00448/FULL) for the demolition of the existing hipped roof and construction of a roof extension, a rear extension involving the infill of an existing undercroft area at ground floor, the replacement of an existing link building (between the building fronting Chapel Side and Esca House to the rear) and an additional second floor storey, and the excavation of a basement under the main building, in association with the change of use of the ground and first to residential flats (Class C3). Replacement windows to the front and rear elevations, and the creation of a terrace and green roof on the rear extension roof at third floor level and a terrace at rear fourth floor level. NAMELY, to increase size of basement level and creation of associated lightwell; Alterations to fenestration; relocation and alteration of rear dormers; Internal changes to layout of residential accommodation; and associated external alterations.

Variation of Condition 1 of planning permission dated 14 September 2021 (RN: 20/08346/FULL) for, 'Partial demolition including rear facades and fourth floor mansard roof; a new brick elevation at fourth floor and mansard roof at fifth floor; rear extension; installation of new shopfront and windows; re-configuration of entrances; repair of retained elevations; extension of the chimney stack; basement excavation; connection of the basement, ground and fifth floors to 50-57 Newman Street in connection with hotel use (Class C1), continued use of the first, second, third and fourth floors as self-contained residential flats (Class C3); private terrace at rear fifth floor level in connection with the hotel use and associated external works'; NAMELY, to create an additional basement level in connection with hotel use (Application under Section 73 of the Act).

Variation of Conditions 1 and 10 and removal of Conditions 8 and 9 of planning permission dated 26th September 2016 (RN: 15/05936/FULL) for the: demolition of existing office building and redevelopment to provide a replacement building over two basement levels, lower ground, ground and eight upper levels. Use of the building for residential purposes (Class C3) providing a maximum of 23 flats including 14 car parking spaces at basement level, accessed from Buckingham Gate. Namely, to extend the internal usable space at basement level 2 and reconfiguration of basement 1 without increasing the approved extent of foundations, internal alterations, amendments to window layouts at levels 7 and 8; and to vary the wording of Condition 10 to approve updated Sustainability and Energy Strategy and remove Conditions 8 (uninterrupted demolition and construction) and 9 (installation of PV panels on roof).

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.

Variation of Condition 1 of listed building consent dated 19 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, to allow reconfiguration of the existing garage and 14 Sherlock Mews entrance at ground floor, including the replacement of all doors at ground floor with a unified design and appearance; reconfiguration of the internal layouts to levels 1 and 2; unify the 14 Sherlock Mews elevation in brickwork of a consistent colour, bonding and character; replacement of windows; refurbishments to the front facade of the mews house; and associated works.

Variation of conditions 1, 2, 3, and 15 of planning permission dated 10 August 2016 (RN: 16/00807/FULL) for which itself varied condition 1 of planning permission dated 14 January 2014 (RN: 13/10660) for 'Demolition of building and erection of replacement four storey building (plus lower ground floor level) containing 5x3 bedroom flats (Class C3) and installation of plant and terrace at roof level. NAMELY, to allow the reconfiguration of internal layout to alter the mix of residential units, alterations to the fenestration and roof, and associated works (S73 application).

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 4 February 2019 (RN: 18/03251) for: Variation of Conditions 23 and 31 of planning permission dated 25 May 2017 (RN: 16/05216) for 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; namely, to revise the proposed opening time of the A3 restaurant and the operating time of its associated plant/machinery to 7.30am Monday to Friday, to 8am on Saturday and to 9am Sundays and Bank Holidays instead of 10am, namely replacement of loft door with new window, installation of 2 dry riser inlet to front elevation, installation of 4 additional PV panels on the roof, reduction in size of the Building's Automatic Opening vent (AOV) from double to single within Building A, replacement of pavement lights to skylights at second floor terrace (Building B), removal of skylight at first floor terrace (Building B), removal of upper level plant access door to stair tower, decrease to the AOV size to east boundary elevation and addition of Condition 37 to read: "You must install the walk on skylights to the second floor terrace of the rear building in accordance with the details approved on drawing WF-P_D_101 prior to occupation of Apartment B5A. Thereafter they must not be changed without our permission."

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.