Demolition of existing buildings at the corner of Market Place and Market Street and the erection of a replacement mixed use building comprising commercial (Class E) at ground floor and residential apartments (Class C3) above. (Variation of condition 2 (approved plans) of planning permission DA/21/00495/FUL for an amendment to the proposed development including re-arrangement of units to increase number of apartments from 14 to 23, increase in height & width, enlargement of 5th floor and roof plant, amendments to the external appearance of the building, revisions to windows and openings on elevations, including on the northern and western elevations)

Non-material amendment to planning permission reference: 2020/02310/VAR dated 29th January 2021 for the "Variation of Conditions 2 (approved drawings) and 33 (bedroom numbers) of planning permission reference: 2017/01941/FUL dated 16th October 2017 as amended by 2020/02787/NMAT for the 'Demolition of the existing buildings and erection of a new three storey building (4 storey to the rear) for retail use (Class E) on the ground floor and five self-contained residential units on the first, second and third floors'. Amendments sought include:- changes to the layout and number of bedrooms within the flats; omission of the passenger lift; relocation of cycle and bin stores at ground floor level; relocation of main residential stairwell; new fire escape stairwell between ground and basement floors; changes to external materials to the front, rear and side elevations; change to size and finish of rear balcony doors; amendments to the design of the roof to incorporate a step accommodating the height difference between the front and rear parts of the building; removal of rear access to ground floor commercial space." Non-material Amendments sought include: internal layout changes, 3x louvre ventilation double doors at the rear of the ground floor level, and minor changes to the rear upper floor window details.

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).

Variation of Conditions 1 'Approved Plans' of planning permission ref. no. 22/AP/1797: Minor Material Amendment for full planning permission 20/AP/1119 dated 11/06/2020 for Conversion of the existing first and second upper floors to 2 x 3 bedroom residential self-contained flats with associated refuse storage and the erection of a rooftop extension to form additional 1 x 1 bedroom flat: - Square off the diagonal corner to the front elevation; - Extend the proposed structure to the rear by 0.48m; - Increase the internal floor to ceiling height by way of raising the structure's height; - Internal reconfiguration to provide x1 additional bedroom - Re-organisation of front and side elevation to correspond with internal reconfiguration. Proposed s73 amendments include to: - Increase the height of the approved roof extension by 0.3m - Extend the footprint of 1m (width) x 4.5m (depth) to the northern elevation of the roof extension to utilise the existing staircase and internal reconfiguration; - Relocate the roof extension southwards by 0.3m with increases in depth and width from 13.8m to 14.5m and 5m to 5.8m respectively - Reorganise fenestrations to correspond with internal reconfiguration - Amend external material finishes from the aluminium framed glazing system and fibreglass resin roof to squared edge larch timber cladding, membrane roof and pine timber window frame

Variation of condition 1 of planning permission dated 14th February 2019 (RN:18/10787/FULL) for the Erection of single storey roof extension to create new eighth floor and extensions at sixth and seventh floors to allow the enlargement of two residential flats (Class C3), alterations to shopfronts facing Park Lane and associated external alterations. Namely, to infill part of the terrace at eighth floor level to provide additional residential floorspace, additional glazing at eighth floor level, to amend the window configuration at the 6th and 7th floor level, and the new extension at 8th floor level, glazing to be reduced on the west elevation, extensions and associated guardings on the north and south elevations, raise the rear central projection by 300mm, central space to be moved back to align with the seventh floor at roof level.

Demolition of buildings including Sarah Witham Thompson, Gressingham and Melling Halls, Black Box Theatre, Old Dining Room and the Long Corridor and erection of a 4 storey Extra Care residential building (use class C3), partial demolition, conversion and change of use of the Art Studio from education facility (use class D1) to ancillary space associated with the Extra Care residential building and change of use and conversion of Barbon Hall and Hornby Hall from education facility (use class D1) to provide affordable residential apartments (use class C3) with associated landscaping, parking, access and service infrastructure (pursuant to the variation of conditions 2 and 26 on planning permission 20/00554/FUL to enlarge the building footprint, amend the site layout, fenestration and car parking (including reduction by one space) and addition of lift overruns and a safety railing to the roof on the extra care building and to update the Energy Statement)

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 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.