Variation of condition 1 (Approved Plans) of planning permission reference 19/4580/FUL dated 14/10/19 for 'Conversion of the existing first floor flat into 2no self-contained flats. Replacement and extension of roof to flat 3 (second floor). Extension to roof including new crown roof with 3no dormer windows to side (north) elevation, 2no dormer window to side elevation (south) and 1no rear dormer window with juliette balcony, replacement of 1no dormer window to front elevation. New balcony at first floor level.' Variation to include; Changing crown roof to a roof terrace area; Insertion of three additional roof lights on the flat roof; Provision of privacy screen

Amendment to planning permission dated 20 June 2016 (RN:15/10444/FULL) for the variation of Condition 1 of planning permission dated 8 December 2011 (RN:10/01741/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, variation of Condition 17 with substitution of a revised Energy Strategy.

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.

Application for a Minor Material Amendment (S73a) to vary the wording of condition 6 (details of the 'No. 32 garden access door' to the front elevation) of planning permission ref: 202057FUL dated 17/08/2020 for: Construction of a two-storey side extension with conversion of existing first floor maisonette into three self-contained flats; insertion of a double and single Juliet velux windows to the rear roof slope; insertion of two roof lights to front and side roof slope, six rooflights to the crown roof, replacement of window and associated cycle parking and refuse storage. Variation seeks approval of proposed entrance