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 of planning permission ref: 19/AP/1375 dated 26/07/2019 for: (Variation of condition 2 of planning permission 18/AP/0475 granted on 19/10/2018 for: "Retention and refurbishment of the existing front main part of the building except its main roof. Removal of all the rear parts and main roof of the existing building. Erections of 3-storey rear extension and mansard style roof extension to the existing building. Rationalise, deepen and extend the existing basement area. Change of use of the basement in the main building from storage to commercial (B1) unit of 130m2 and first floor offices to residential (C3). Reduction of existing ground floor offices from 110m2 to 74m2. Provision of five residential units (comprising 3x2B4P and 2 studio flats) in the proposed first, second and third floor with associated amenity space and separate cycle and bins storage area for both residential and commercial units. Installation of 8 solar panels on the main roof top of the building." to allow: - Alterations (including replacement of windows) to the ground floor shopfront on both Grange Road and Grigg's Place elevation). To allow the following amendment: 1. New layout and relocation of the staircase connecting commercial units of the basement and ground floor 2. Add two restrooms on the ground floor for commercial premises in the position where commercial cycle store was proposed. 3. Combine the commercial and residential bike storages in one room. 4. Add a new door to connect residential entrance and bike storage. 5. Add a small window at the bike storage room. 6. Add new staircases connecting residential units with the basement.

Non-material amendment to the planning permission ref: 19/AP/1375 dated 26/07/2019 granted on 26/07/2019 for : Variation of condition 2 of planning permission 18/AP/0475 granted on 19/10/2018 for: "Retention and refurbishment of the existing front main part of the building except its main roof. Removal of all the rear parts and main roof of the existing building. Erections of 3-storey rear extension and mansard style roof extension to the existing building. Rationalise, deepen and extend the existing basement area. Change of use of the basement in the main building from storage to commercial (B1) unit of 130m2 and first floor offices to residential (C3). Reduction of existing ground floor offices from 110m2 to 74m2. Provision of five residential units (comprising 3x2B4P and 2 studio flats) in the proposed first, second and third floor with associated amenity space and separate cycle and bins storage area for both residential and commercial units. Installation of 8 solar panels on the main roof top of the building." to allow: - Alterations (including replacement of windows) to the ground floor shopfront on both Grange Road and Grigg's Place elevation). To allow the following: -change the internal layout of the approved 1x2B4P unit on the first and 1x2B4P on the second floor and to convert both of these flats into 1B2P unit.

Non-material amendment to the planning permission ref: 19/AP/1375 dated 26/07/2019 for: (Variation of condition 2 of planning permission 18/AP/0475 granted on 19/10/2018 for: "Retention and refurbishment of the existing front main part of the building except its main roof. Removal of all the rear parts and main roof of the existing building. Erections of 3-storey rear extension and mansard style roof extension to the existing building. Rationalise, deepen and extend the existing basement area. Change of use of the basement in the main building from storage to commercial (B1) unit of 130m2 and first floor offices to residential (C3). Reduction of existing ground floor offices from 110m2 to 74m2. Provision of five residential units (comprising 3x2B4P and 2 studio flats) in the proposed first, second and third floor with associated amenity space and separate cycle and bins storage area for both residential and commercial units. Installation of 8 solar panels on the main roof top of the building." - to allow:- Alterations (including replacement of windows) to the ground floor shopfront on both Grange Road and Grigg's Place elevation.) -To allow the following: -To allow the changes to approved internal layout of the studio unit on both the first and second floor.

Non-material amendment to the planning permission ref: 19/AP/1375 dated 26/07/2019 for: (Variation of condition 2 of planning permission 18/AP/0475 granted on 19/10/2018 for: "Retention and refurbishment of the existing front main part of the building except its main roof. Removal of all the rear parts and main roof of the existing building. Erections of 3-storey rear extension and mansard style roof extension to the existing building. Rationalise, deepen and extend the existing basement area. Change of use of the basement in the main building from storage to commercial (B1) unit of 130m2 and first floor offices to residential (C3). Reduction of existing ground floor offices from 110m2 to 74m2. Provision of five residential units (comprising 3x2B4P and 2 studio flats) in the proposed first, second and third floor with associated amenity space and separate cycle and bins storage area for both residential and commercial units. Installation of 8 solar panels on the main roof top of the building." to allow: - Alterations (including replacement of windows) to the ground floor shopfront on both Grange Road and Grigg's Place elevation). To allow the changes to the internal layout of the units on both the first and second floor to convert approved studio and 1 x 2B4P unit on the first floor to 2x1B2P units and also to convert approved studio and 1 x 2B4P unit on the second floor to 2x1B2P units.

Non-material amendment to planning permission ref: 19/AP/1375 (Variation of condition 2 (approved Plans) of the planning permission 18/AP/0475 granted on 19/10/2018 for: (Retention and refurbishment of the existing front main part of the building except its main roof. Removal of all the rear parts and main roof of the existing building. Erections of 3-storey rear extension and mansard style roof extension to the existing building. Rationalise, deepen and extend the existing basement area. Change of use of the basement in the main building from storage to commercial (B1) unit of 130m2 and first floor offices to residential (C3). Reduction of existing ground floor offices from 110m2 to 74m2. Provision of five residential units (comprising 3x2B4P and 2 studio flats) in the proposed first, second and third floor with associated amenity space and separate cycle and bins storage area for both residential and commercial units. Installation of 8 solar panels on the main roof top of the building." to allow: - Alterations (including replacement of windows) to the ground floor shopfront on both Grange Road and Grigg's Place elevation) to allow: - replacement of 8 approved solar panels on the roof of the building with 10 new ones, of different sizes, to be positioned in a different location on the same roof.

Non-material amendment to the planning permission ref: 19/AP/1375 dated 26/07/2019 for: (Variation of condition 2 of planning permission 18/AP/0475 granted on 19/10/2018 for: "Retention and refurbishment of the existing front main part of the building except its main roof. Removal of all the rear parts and main roof of the existing building. Erections of 3-storey rear extension and mansard style roof extension to the existing building. Rationalise, deepen and extend the existing basement area. Change of use of the basement in the main building from storage to commercial (B1) unit of 130m2 and first floor offices to residential (C3). Reduction of existing ground floor offices from 110m2 to 74m2. Provision of five residential units (comprising 3x2B4P and 2 studio flats) in the proposed first, second and third floor with associated amenity space and separate cycle and bins storage area for both residential and commercial units. Installation of 8 solar panels on the main roof top of the building." to allow: - Alterations (including replacement of windows) to the ground floor shopfront on both Grange Road and Grigg's Place elevation). -The amendment is to provide housekeeper's room on the third floor with reduction of approved 2B3P unit reduced in the total area from 70 square meters to 64 square meters.

<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;line-height:107%">Minor Material Amendment: Variation of condition 2 (amendment to approved plans) to remodel rear façade, omit spiral staircase extension to 3^rd floor and top floor of lift, change top floor flats to duplex units, remove false floor at first floor level to avoid relocation of fire places and joinery, basement tanking detail spec and alteration to thermal upgrade to planning permission 2017/0212/02/RVC dated 23.1.2020 Minor Material Amendment: Variation of condition 2 - amendments to approved plans to planning permission 2017/0212/01/DET dated 21.06.2017: Conversion of ground and mezzanine floor from bank (Class A2) to restaurant and bar (Class A3/A4) with associated kitchens, storage and plant at basement level. Conversion of first to third floors from offices (Class B1) to 12 flats (Class C3) flats with associated gym, cycle storage, and refuse storage in basement. Erection of extension to house extended fire escape, erection of 4 dormers windows and provision of roof terrace and lobby and provision of extract and ventilation, as amended by plans received on 11/9/19 and 7/12/19<o:p></o:p></span>

Variation of condition 2 and 3 of planning permission ref: 2020/01249/FUL granted 16th October 2020 for the &#39;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.&#39; 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.