Variation of condition 1 of planning permission dated 15 August 2019 (RN:19/04264/FULL) for: 'Amalgamation of 39 and 40 Upper Brook Street to create a single residential unit (Class C3) and separation of 24 Culross Street (currently part of a single residential unit with 40 Upper Brook Street) to establish as a separate self-contained residential unit (Class C3) and external alterations to 39 Upper Brook Street including provision of a basement level, alterations to the existing rear terrace area at first floor level and replacement plant (including enclosure) at roof level.' Namely to widen the previously consented open topped acoustic louvred plant enclosure to the roof of 39 Upper Brook Street, replace the exsting metal railings to the front elevation of 40 Upper Brook Street and replace the painted render finish to the facade of 40 Upper Brook Street with render finish incorporating Portland stone dust

Amendment to planning permission dated 20 June 2016 (RN:15/10444/FULL) for the variation of Condition 1 of planning permission dated 8 December 2011 (RN:10/01741/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, variation of Condition 17 with substitution of a revised Energy Strategy.

Amendments to planning permission dated 09 December 2014 (RN:14/03519/FULL) for the: Variation of Conditions 1, 4, 6 and 19 of planning permission dated 26 August 2011 (RN:10/11022) for the refurbishment and alteration to 7 St James's Square to provide a single residential dwelling plus the redevelopment of 8 St James's Square, 7 Apple Tree Yard and 12A Duke of York Street to provide a seven storey office building plus lower ground and basement. Namely, to allow internal alterations and reconfiguration to the approved internal layouts; removal of the approved winter gardens in the rear courtyard; replacement of three timber sash windows with three traditional timber glazed doors at ground floor into the rear courtyard; reduced and reconfigured rooftop plant; removal of an approved dormer window and new dormer windows at roof level.

Variation of conditions 1, 31 and 35 of planning permission dated 4 March 2020 (RN 19/06767/FULL) (amended by 20/05397/NMA) which permitted the following development : 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 NAMELY, to allow alterations including alterations at ground floor level and at 10th floor roof level including a new roof top room, roof terrace and alterations to plant enclosure at 19-35 Baker Street, new risers at 3rd floor to roof level at 30 Gloucester Place, introduction of increased flexibility to the commercial units across the ground floor and to remove the existing tree situated directly to the front of the newly approved entrance and replace it with a new tree to the south-west corner of Gloucester Place.

Amendments to planning permission dated 27th November 2019 (RN 19/00108/COFUL) for the variation of Conditions 1 (approved plans), 6 (detailed drawings) and 23 (car parking) of planning permission dated 2 November 2018 (RN: 17/06049) for demolition and redevelopment to the podium/ car park structure and redevelopment of site in a building comprising ground and five upper floors to provide 60 residential units (Use Class C3), including terraces and balconies, a communal garden space and 54 car parking spaces with altered entrance from Hall Place. Provision of 101 sqm of retail space fronting onto Edgware Road (Use Class A1/A2/A3). Replacement boundary treatment works and planting on Edgware Road, including replacement of trees and works to the raised bund in front of Parsons House. Re-location of existing recycling centre. NAMELY, alterations to windows, doors and gates, retention of T2 and T3, alterations to PV and antennae locations on roof, removal of bin stores at street level, flue and vent to plant/generator roof.

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 .

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 1 September 2014 (RN: 14/02566/FULL) for: Variation of Condition 1 of planning permission dated 04.09.13 (RN: 12/12041) for external alterations and extensions including rebuilding of existing 7th and 8th floor levels, installation of photo-voltaic cells, green roof & plant at roof level, alterations to street facades and rebuilding of rear facades (with new balconies on Smith Court and Piccadilly Theatre frontages, and roof terraces at eight floor level on all frontages), provision of 38 dwellings at 4th-8th floors, with new residential entrance to Sherwood Street, use of second and third floor as offices (Class B1), reconfiguration of existing uses at basement, ground and first floor levels at 12/13 Sherwood Street and 63-75 Brewer Street to provide 2 No. retail (Class A1) units and altered health club (Class D2) layout with new health club entrance on Brewer Street - to allow minor amendments to the approved scheme including: changes to the steel window design on the street facing facades; alterations to the aluminium window design on the rear facades; installation of ventilation grilles in the windows at 3rd-7th floor levels on the Sherwood Street and Brewer Street elevations; alterations to the flank/party wall on Brewer Street; changes to the roof layout and massing; AND removal of Condition 3(2) (requiring detailed drawings of new windows): NAMELY, to amend energy and sustainability strategies to facilitate the removal of a trigeneration system forming part of the central plant within The Crown Estate's Quadrant development and amend the wording of condition 20 accordingly.