Amendments to planning permission dated 21st May 2019 (RN: 19/00087/FULL) for, 'Demolition of existing buildings and demolition behind retained facades of 19 and 20 Denman Street facades; realignment of 4-6 Glasshouse Street, 1 Sherwood Street, 8 Glasshouse Street and 11-17 Shaftesbury Avenue facades and retention of Piccadilly Lights (adverts). Construction of a replacement six storey building (plus 6th floor mezzanine office) with three basement levels to create a mixed use scheme comprising office (Class B1) at part ground to 6th storey mezzanine; retail (Classes A1 retail and A3 restaurant) at part basement 1, part ground and part first floor; up to seven residential units (Class C3) at part first floor, part second floor and part third floor; and plant and cycle storage within the basement. Associated works including mechanical plant within roof enclosure and loading facilities; NAMELY; provision of sedum roof, internal alterations to the layout of the residential flats, replacement of glass roof maintenance balustrade on Denman Street with metal balustrade; alterations to window dimensions, slate roof and ceramic cladding on Sherwood Street; alterations to the Shaftesbury Avenue roof mansard; minor modifications to roof grating, roof facet on Denman Street, alterations to the slate roof to allow for improved roof maintenance access; and addition of sprinkler inlet point on Denman Street.

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)

Removal of condition 12 of planning permission dated 01 May 2020 (RN: 20/01459) which itself varied condition 1 of planning permission dated 12 February 2013 (RN: 12/12483)for the: internal and external alterations (comprising new windows at roof level, lift overrun green roof skylight, removal of lightwell insertion of new doors at lower ground floor level and creation of roof terrace at rear ground floor level) in connection with the conversion of the existing building from office and residential flats into a single family dwelling to vary the approved drawing numbers to allow the introduction of an additional roof light to the north east of the roof, a replacement walk on roof light to the west of the roof and an extension to the lift overrun box, set into the existing area of flat roof and plant access. NAMELY, to remove biodiversity management plan as green roof no longer forms part of the proposal.

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 15 November 2018 (RN: 18/03869/FULL) for Variation of Conditions 1, 3, 4, 6, 8, 9, 12, 17 and 30 of planning permission dated 22 February 2018 (RN: 16/12289/FULL) for: Demolition of existing buildings to the centre and eastern end of the site and redevelopment comprising erection of buildings of between six and 20 storeys in height to provide 335 residential units (Class C3), a hotel and serviced apartments (Class C1), offices (Class B1), gym (Class D2), retail (Class A1/A3) and a primary school (Class D1) with associated landscaping and open space, highways works, off street ground floor service bay and two storey basement to provide car, cycle and motorcycle parking and ancillary servicing space. NAMELY for the following changes ; 1, the replacement of one external window with a louvre on the on the south elevation, 2, amendments to the spandrel panels and glazing above the service yard entrance on the north elevation, 3, the replacement of glazing with spandrel panels on east elevation, 4, the introduction of louvred grills on the west elevation, alongside the variation of Condition 1: Approved Drawings.

Variation of Condition 1 of planning permission granted 11 June 2019 (RN: 18/09167), which itself varied condition 1 of planning permission dated 26 July 2018 (RN:18/09167) for: Alterations including 7th floor roof extension, alterations to office and retail entrances/shopfronts on Great Marlborough Street; reconfiguration of western lightwell elevation, installation of photovoltaic panels, green roofs, new extract ventilation duct and new plant enclosure at roof level and creation of office and residential terraces. Use of lower ground, part ground and part 1st to part 7th floors as offices (Class B1); use of part ground floor for dual/alternative retail (Class A1) or restaurant (Class A3) purposes; reconfiguration of existing flats and provision of one additional flat; use of basement to provide plant, cycle parking/showers waste storage and car parking (site includes 11 Ramillies Place). NAMELY, to allow replace approved revolving entrance door and single glazed door to the office entrance with a pair of glazed swing doors (double doors) to the reception area; replacement of the existing central first floor window to match the approved windows; and introduction of aluminium cladding to the entrances at ground and first floor level.