Variation of condition 1, removal of condition 38 and details pursuant to conditions 23 and 34 of planning permission dated 20 February 2017 (RN:16/10919/FULL) which itself varied condition 1 of planning permission dated 15 August 2016 (RN:15/11234/FULL) for substantial demolition of existing buildings and redevelopment of the site to provide a mixed-use scheme accommodating a new building comprising basements, ground floor and part eight upper storeys plus rooftop plant with frontages to Charing Cross Road and Manette Street; refurbishment of buildings on Greek Street; in connection with use of the buildings for offices, retail, restaurants, art gallery/art education use, nightclub and eight residential dwellings; provision within basements of plant equipment, waste rooms and cycle parking; new public realm and pedestrian route through the site from Manette Street to Greek Street; and associated external works. Namely, changes to internal layout of building with frontages to Charing Cross Road and Manette Street with use of part basement level 2 as back of house space, relocation of building maintenance unit to ninth floor, erection of steel deck within plant structure at roof level and changes to terrace areas and massing of building; alterations to rear of building, roof form and layout of residential accommodation and installation of plant machinery at 12-13 Greek Street; alterations to the link building; changes to windows on rear façade and increase in parapet height by 700mm at 14 Greek Street; Installation of second gate to ground level passageway; omission of requirement for obscure glass on south elevation; and provision of details of a scheme of public art and gates to the pedestrian route.

Amendments to planning permission dated 19 March 2018 (17/09368/FULL) for Variation of Conditions 1, 13, 16, 7(a), 9, 38 & removal of Condition 40 of planning permission dated 10 July 2017 (16/09548/FULL) for; Alterations to the existing building including creation of new entrances; alterations to bottle balustrades & parapets; extensions to create three additional storeys; two additional basement storeys; partial demolition & reconstruction of the central wing; demolition, reconstruction & extensions to the Triangular Courtyard facades; external alterations to Quadrangle facades; creation of external terraces at fourth, fifth, sixth & seventh floor levels; addition of entrance canopies; alterations to security walls & bollards & the removal & replacement of street trees; all in connection with change of use from offices (Class B1) to a hotel (Class C1) comprising up to 125 hotel bedrooms/suites with flexible hotel/retail/restaurant/bar use at part ground floor (Class C1/A1/A3/A4), flexible hotel/restaurant use at part lower ground, part ground & part second floors (Class C1/A3); flexible hotel/bar use at part fifth & part sixth floors (Class C1/A4); flexible retail, leisure, restaurant or bar use at part ground floor (Class A1/D2/C1/A3/A4), leisure/spa facilities within the basement levels & part lower ground floor (Class D2/C1) ancillary ballroom, event space & meeting rooms, food & beverage facilities, back of house facilities & associated car & cycle parking & servicing facilities; creation of up to 88 residential dwellings (Class C3) with ancillary communal amenities, & associated car parking, cycle parking & servicing facilities; namely, amendments to the Quadrangle courtyard paving, amendments to internal layout of two residential units; installation of additional windows to fifth floor; installation of external grilles to the east and north elevations.

Variation of condition 1 of listed building consent dated 5 March 2020 (RN 19/00530/LBC) for the Redevelopment of Pegasus House and Nuffield House including demolition behind a retained facade (west, south and east) of Nuffield House and replacement building comprising 2 level basement, ground, mezzanine and first to seventh floor and demolition and replacement of Pegasus House comprising 2 level basement, ground, mezzanine and first to fifth floors; amalgamation of the two buildings to provide new office (Class B1), retail (Class A1), restaurant (Class A3), flexible office / retail (Class B1 / A1), and residential accommodation (Class C3); and other associated works from RN 19/00530/LBC, NAMELY, to include the following changes: amend the design of the shopfronts and ground floor level entrances, rearrangement of reception spaces, alteration to lift overrun and Nuffield house roof massing and window replacement.

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.