Non-material amendment to planning permission ref: 2021/04138/FUL granted 31st May 2022 for the 'Change of use of part of ground floor and basement from retail (Class E) into 1 x 1 bedroom self-contained flat (Class C3); erection of rear extensions at third floor (pod) and first floor levels in connection with the conversion of first, second and third floor level into 2 x 2 bedroom self-contained flats; installation of 3no rooflights in the front roofslope and 1no rooflight above the main flat roof at roof level; replacement of existing windows with new windows to the side and rear of first and second floor back additions; replacement of existing dormer window with a new dormer window in the rear roofslope; alterations and increasing the roof of second floor rear back addition; formation of a replacement roof terrace at first floor level to the rear elevation; demolition of part of ground floor and basement floor level including the installation of new window openings and formation of a central courtyard at ground floor level, installation of glazed doors and a window at basement level; alterations to the roof of ground floor rear back addition to include the installation of 3no rooflights; installation of screening fence at ground floor level to the rear elevation.' Partial amendments to the wording of description of development to change from '1 x 1 bedroom self-contained flat' to '1 x 2 bedroom contained flat' in reference to the number of approved bedrooms to Unit 1.

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.

Variation of condition 1 of planning permission dated 3 March 2020 (RN 19/09981/LBC) for the Variation of condition 1 of listed building consent dated 20 February 2016 (RN: 15/10446/LBC) for the: Development of 55-59 Knightsbridge (including retention of Knightsbridge facades, demolition and the dismantling and reinstatement of roofs and chimneys) to provide retail (Class A1) at basement and ground floor levels and 18 residential flats at first, part second floor and third to fifth floor levels. Demolition of 1-2 William Street and its replacement with a redesigned building with internal linkages to 55-91 Knightsbridge. Namely, to allow alterations to William Street Residential Entrances, door to Wilton Place, fenestration changes to rear facade, increased lift Shaft to rear face of William Street, merlons to west elevation, West façade end bay reconstructed, chimneys to coping stone detail in mansard, pavilion gable apex roof stones, ridge height of mansard roofs, projecting signs to shopfronts, retained parapet to no. 55 Wilton Place, general layout alterations, and associated works from RN 19/09981/LBC, NAMELY, to vary the approved drawing numbers to amend the design of the external vent at no. 4 William Street and the removal of a ceiling at third floor level.

Non material amendment to install 4 windows to the rear ground floor elevation (Block A) of approved application C2016/73672 which allowed the 'Application for approval of reserved matters for Phases 1 and 2 to determine appearance, scale and landscaping pursuant to outline application number C2016/73625 for a mixed development comprising 2564 square metres of A1 (foodstore) floorspace, an additional 948 square metres of A1 (retail) floor space and 725 dwellings comprising 562 one, two and three bedroomed flats in sixteen blocks rising from four to six storeys in height and 163 two, three and four- bedroomed 3 storey houses and three storey houses with roof accommodation. Provision of assisted living accommodation containing 80 units with ancillary accommodation and a medical facility within a five storey building. Provision of garages, carports, surface and basement car parking, refuse, cycle stores, energy centre, sub stations, children's play areas, hard and soft landscaping, new access roads from London Road and Hackbridge Road and alterations to road junctions'