Variation of Condition 1 of planning permission dated 5th November 2021 (RN: 20/07701/FULL) for, 'Demolition of the existing fourth floor roof structures and erection of two storey roof extension to create new fourth and fifth floor level (including plant and roof terraces); all to enlarge office building (Class E). Alterations to front (western facade), installation of new windows throughout and associated alterations'; Namely, to make the following amendments to the approved development - internalisation of stair and associated adjustments to roof layout. (Application under Section 73 of the Act).

Variation of Condition 1 of planning permission dated 6 October 2020 (RN: 20/03213/FULL) for, 'Use of ground floor as residential accommodation in connection with the existing flat at lower ground floor. Erection of single storey rear extension at ground floor and creation of rear ground floor terrace area. Alterations to rear and front elevations including the installation of an external metal staircase to lower ground floor, replacement of existing windows with new double glazed painted sash windows and installation of new rooflights at the rear'; NAMELY, to vary the proposed layouts to reflect further development of the design. (Application under Section 73 of the Act).

Variation of Condition 1 of planning permission dated 3rd November 2020 (RN: 20/05446/FULL) for, 'Removal of existing roof top plant rooms. Erection of single storey pitched roof extension above existing third floor. External alterations including reinstatement of chimney and gable to parapet lines. Alterations to existing fenestration to create "blind windows" to north elevation. Associated internal alterations. Installation of plant equipment'; NAMELY, to make the following amendments to the approved development - changes to the height of roof pediment details, including addition of 1 additional cast iron rainwater pipe to match the existing adjacent fittings and alterations to consented rear fresh air-vents on rear elevation. (Application under Section 73 of the Act).

Variation of Condition 1 of planning permission dated 9th February 2021 (RN: 20/05400/FULL) for, 'Demolition of existing buildings on site and redevelopment to provide up to 30 residential units (Class C3), office floorspace (Class B1), gymnasium (Class D2), retail art gallery (Class A1), restaurant (Class A3) and retail (Class A1) floorspace; creation of a new pedestrian link through the site between Yarmouth Place and Carrington Street; erection of buildings either side of the new pedestrian link between 4 and 8 storeys in height excavation to create additional basement accommodation provision of on site car parking, cycle parking and delivery bay on Yarmouth Place new landscaping including improvement works to Yarmouth Place associated alterations'; NAMELY, to make the following amendments to the approved development - Addition of a new courtyard at upper ground level to approved gallery, replacing the courtyard at first floor level; Adjustment of public staircase size; Adding flush rooflight to new pedestrian route; new gym entrance at LGF; relocating photovolatics to 6th floor roof; metal balustrade to terraces; new balustrade to 1st floor terrace; changes to office core at all levels as well as roof level, including new ductwork in plant enclosure; French windows to replace single doors to rear office facade and Residential cycle store relocated to lower ground floor level. (Application under Section 73 of the Act). (Revisions 12.11.2021 - waste and highways issues)

Variation of Condition 1 of planning permission dated 09 September 2020 (RN: 20/02991/FULL) for, 'Demolition of outbuilding in rear garden, erection of single storey rear extension at ground floor, replacement and relocation of windows to street elevation, and amalgamation of basement studio flat and flat on ground to second floors to form a single dwellinghouse (Class C3)'; Namely, to make the following changes to the approved development - to alter the height of the window cill at ground floor level, and new external paint finishes to the front and rear elevations including windows.

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.