Variation of condition 1 of planning permission dated 03 October 2022 (RN: 22/01969/FULL) for 'Alterations including infilling of rear lightwell between first to fifth floor levels, erection of roof extension to provide an additional floor level, roof plant, and conversion of the upper floors and part ground and basement into hotel use'. Namely, to allow changes to list of approved plans to allow an increase in the number of hotel rooms from 42 to 81; amendments to rear window openings and insertion of three additional velux windows at fifth floor level.

Variation of condition 1 of planning permission dated 29 March 2021 (RN: 20/08169/FULL) for the: Erection of mansard roof extension and conversion of the existing upper floors of the building into 3 self-contained residential units (Use Class C3). Replacement of glazed doors at first floor level on rear elevation. Namely, to allow internal alterations at first, second and third floor level to locate living room at front and bedroom at the rear.

Variation of condition 14 of planning permission dated 20 March 2019 (RN:18/05723/FULL) (which varied permissions dated 4 February 2014 RN:12/12735/FULL, 30 December 2014 RN:14/06785FULL and 28 March 2018 RN:17/08881/FULL) for 'Refurbishment, extension and conversion of Bow Street Magistrates Court and Police Station including part three part six storey extension with plant enclosure over in rear courtyard, two-storey extension above Martlett Court Wing, mansard roof extension to Broad Court and part of Bow Street ranges, excavation to create new second basement level and internal alterations to provide a 91 bedroom hotel with restaurants, bar and associated facilities (class C1) and police museum (Class D1), to allow design changes to the proposed new build additions: the upper floors of the Marlett Court facade, rear Crown Court facade and facades surrounding the internal glazed atrium; creation of new basement area and reconfiguration at roof level to accommodate plant; relocation of photovoltaics; reconfiguration of museum layout; and removal of the requirement for a themed element to the hotel'. Namely, to amend condition 14 to allow the Atrium Restaurant at basement level 1 to be used by non-residents of the hotel until 2am on Fridays and Saturdays (one additional hour).

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 Condition 1 of planning permission dated 19 April 2021 (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 allow removal and replacement of existing central core and floors (retrospective), minor changes to internal configuration, provision of new entrance gates to permitted railing enclosure at the front, new door height gates to central entrance and new timber painted frames to glazed entrance. (Application under Section 73 of the Act).

Variation of condition 1 of planning permission dated 19 April 2021 (RN: 20/04541/FULL) for the: 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 allow removal of central core and floors and associated replacement to improve sustainability, acoustic and fire safety performance; modifications to ancillary uses within basement, including provision of ancillary kitchen and restaurant area serving guests of Bechstein Hall; kitchen extract and ductwork to be localised; introduction of entrance gates to main front entrance; minor amendments to plant at the rear; and provision of open pergola walkway on the roof at the rear.

Variation of condition 1 of planning permission dated 12 September 2022 (RN:22/02285/FULL) for the Conversion of garage to habitable living accommodation with new window to front elevation at lower ground floor level, installation of new timber window on side elevation at upper ground floor level; new metal window to the side elevation at lower ground floor level, replacement of existing metal side gate to timber side gate, relocation of rear access stairs, installation of linear walk-on skylights to the rear patio, new balustrade to rear terrace and associated external alterations. Namely, to remove both walk on roof lights to the rear of upper ground floor, installation of rooflight under stairs to rear garden and reduction of terrace depth to match existing

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.