Variation of condition 1 of planning permission dated 11 February 2020 (RN 19/08445/FULL) for the excavation of single storey front and rear extensions at lower ground floor level and beneath the original main house footprint, erection of extension and infill of lightwell at second floor level, erection of mansard roof, installation of air conditioning units to roof level, conversion of garage into habitable space, replacement of ground floor French doors with sash windows and associated works. NAMELY, to vary the approved drawing numbers for the addition of a second floor lift extension to the rear of the building.

Variation of condition 1 of listed building consent dated 12 August 2020 (RN 20/03254/LBC) for the alterations to rear lower ground floor windows. Excavation of vault, and alterations to vault doors in association with the conversion of vaults to use as part of basement flat, internal alterations, replacement of existing front door and alterations to existing windows. Site includes 39 Randolph Avenue. Internal alterations from RN 20/03254/LBC, NAMELY, to vary the approved drawing numbers to amend the design of the rear lower ground floor windows and doors.

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.