Variation of Condition 16 planning permission reference 17/02964/MATAMD (dated 5 April 2018 for Amendment to planning permission ref 13/03743/FULL3 granted for the demolition of all school buildings, with the exception of the Reception building, and part demolition of the North Stable block, and erection of 48 dwellings comprising 24x 4-bed houses, 16x 1-bed flats and 8x 2-bed flats and conversion of the stable block into 2x 2-bed residential units, together with 108 car parking spaces. Associated landscaping, hardstanding areas, cycle stores and bin stores. Conversion of existing Reception building to 799sqm of office floorspace (Class b1A) together with 8 dedicated car parking spaces and the construction of 2 tennis courts, designated car park. Erection of pavilion and amenity area for community use. Amendments to position of apartment blocks on the site, extension of apartment blocks at lower ground and upper ground floor levels, demolition of north stable block and erection of 2x 2-bed houses, alterations to proposed housing mix to provide 8x 1-bed and 16x 2-bed apartments, 24x 4-bed houses and 2x 2-bed houses, alterations to windows, doors and internal layout of House Types B and C, amendments to car parking, maintenance access to Wickham Court School, removal of pavilion and internal landscaping and footpaths. Discharge of condition 16 (layout of wheelchair units) for planning permission reference 13/03743/FULL3) to allow for Plot 30 to be built to wheelchair adaptable Building Regulations Part M4(2) rather than wheelchair user Building Regulations Part M4(3).

Variation of Condition 1 of planning permission dated 19th April 2023 (RN: 20/04541/FULL) for, 'Erection of an extension at the rear of 18-22 Wigmore Street at first to fourth floor levels and alterations to the rear roof form to allow conversion of the attic space to provide additional residential floorspace for the existing flats (Class C3), including the infilling of an internal lightwell adjacent to 16 Wigmore Street and the installation of a new lift. Alterations at basement and ground floor level including the infilling of a rear lightwell at basement and ground floor levels. Installation of plant within an associated enclosure at rear first floor level with a green roof over and screened plant on a flat roof at fourth floor level to the rear of 22 Wigmore Street. Alterations to the front of the building including new windows, shopfronts and metal railings at ground floor level. All in connection with the dual / alternative use of the basement, ground and first floors as either office (B1) / retail (A1) or a sui generis use comprising piano showroom, office space, new recital room, piano practice rooms and workshop space and use of the second to new fifth floors as 8 residential units comprising 3 x 1 bed; 4 x 2 bed and 1 x 3 bed' (SITE INCLUDES 18, 20 AND 22 WIGMORE STREET); NAMELY to install additional plant at rear first floor level and amend the approved enclosure, decorative cladding and green wall. (Application under Section 73 of the Act).

Non Material Amendment to planning permission 20/02014/FUL (Application under Section 73 for a variation of Condition 2 (Approved Plans) of Planning Permission ref: 19/00020/FUL (Demolition of existing industrial buildings and erection of replacement residential accommodation containing 79 flats, comprising of 1, 2, 3 and 4 bedroom units, a Police Office, Use Class B1 (a), residents work hub incorporating 47 car parking spaces, 184 private cycle parking spaces and 6 public cycle spaces and refuse, recycling and plant stores, a private and communal amenity spaces, play space and hard/soft landscaping) dated 23/01/2020, to allow for alterations to internal/external configurations to lower ground, upper ground, first to fifth and roof floors) for the variation of conditions 1, 10, 11, 17, 28 to include phasing plan within the extant approved conditions and to adjust the timing for submission of details and alterations of the description of development to include reference to phasing.

Variation of condition 2 and 3 of planning permission ref: 2020/01249/FUL granted 16th October 2020 for the 'Erection of a hip to gable end roof extension; lowering the ridge height of the main roof and erection of an additional floor at roof level; raising of the front and rear parapet walls; alterations to the first floor roof of back addition to include the installation of new rooflights; alterations to the front fenestration to include the installation of new windows at first floor level, new windows and doors at ground floor level to replace the existing doors and windows; alterations to the rear fenestration to include installation of new windows to replace the existing windows at ground floor level; removal of existing windows at first floor level to the rear elevation; lowering of internal floor level and change of use from office (Class B1) into residential (Class C3) in connection with the conversion into 2 x 2 bedroom self-contained flats.' Amendments to facade treatment from approved render finish at the front elevation and approved white painted brickwork finish at the rear elevation with London Yellow Stock brickwork, omission of 2no window at first floor level to the front elevation, internal configuration of staircase and landing area, alterations to the windows at the front and elevation, alterations to the doors at the front elevation and amendment to the rear mansard roof from flat roof to pitched roof.

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.

Minor material amendment (S.73) to vary condition no.41 (use of the chapel)) pursuant to planning permission reference 164907VAR dated 31/05/2017 for 'Application for a Minor Material Amendment/S73 (Variation of condition 4 approved plans) amendments to the approved detailed landscape scheme of planning permission P/2012/5040 dated 23/07/2013 (amended by PP/2014/5010, PP/2014/4645, P/2014/6390, PP/2015/3928 and 161549VACS) for 'Hybrid planning application: Outline element, with all matters reserved, for the demolition of Windmill Lodge, five buildings containing flats and bowling green pavilion and the re siting of an electricity substation, in conjunction with the erection of three buildings of up to 9 storeys high containing 260 residential units comprising private and affordable units and up to 803sq. metres of floorspace in B1/D1 use and 67 sq. metres of floorspace in A1/A3/B2 use, associated hard and soft landscaping including the removal of trees, surface and basement car parking, cycle parking, servicing, public realm, access and other associated works including the provision of a pedestrian access to Uxbridge Road and alteration to vehicular access on to the hospital access road to the East. Detailed elements for a) the demolition of a single storey extension to the North side and a two storey extension in the south East corner and internal and external alterations in conjunction with the change of use of the listed gatehouse from offices to a retail unit (Use Class A1), cafe (Use Class A3), concierge accommodation (sui generis) and offices (Use Class B1) b) internal and external alterations in conjunction with the conversion of the listed North House in 6 one-bed flats, with external bin store and cycle store, associated hard and soft landscaping; access, 3 car parking spaces and associated works, c) Erection of a three storey building to provide 4 residential....' Variation to allow the Chapel to be used for a mix of Use Classes E and F.2 (b).

Amendments to planning permission dated 21 October 2019 (RN: 18/04163) for: Variation of Conditions 1, 8,and original condition 24 and removal of Condition 10 of planning permission dated 23 February 2018 (RN: 16/11248) for Demolition of existing buildings on site and redevelopment to provide up to 30 residential units (Class C3), office floorspace (Class B1), gymnasium (Class D2), retail art gallery (Class A1), restaurant (Class A3) and retail (Class A1) floorspace; creation of a new pedestrian link through the site between Yarmouth Place and Carrington Street; erection of buildings either side of the new pedestrian link between 4 and 8 storeys in height excavation to create additional basement accommodation provision of on site car parking, cycle parking and delivery bay on Yarmouth Place new landscaping including improvement works to Yarmouth Place associated alterations; NAMELY to amend the approved drawings to changes to the party wall with 100 Piccadilly and increase the number of car parking spaces by (additional 44 spaces) within the development, and to change the wording of Condition 8 to allow the demolition and construction phases of the COCP to be submitted separately, and to allow the demolition clauses to be included in the S106 agreement. Further alterations received to reduce the size of the basement levels at 01-04; reduction in the size of the art gallery and gym; parking entrance reconfigured; Yarmouth Place elevation amended. Namely, various reconfigurations of cores, residential layouts, car lifts and flats, the realignment of the boundary walls and replacement of Condition 38 (waste storage).