Demolition of a 2-storey rear wing, the erection of a single storey rear extension, the erection of a mansard roof extension, external alterations to the front and rear elevations, conversion of part of the betting office on ground and basement floor levels and renovation of a disused residential area at basement level to create 4 self-contained flats (use class C3) and retention of part of betting office (use class sui generis).

Conversion of part of the ground floor of an existing restaurant use to provide two flats comprising, two one-bedroom, (2-person) flats, involving external alterations.

Erection of a rear extension to existing basement with associated terrace (in association with the conversion single dwelling to two x 2 bedroom flats (Class C3)). (Linked to 22/02972/FULL)

Erection of a rear extension to existing basement with associated terrace in association with the conversion single dwelling to two x 2 bedroom flats (Linked to 22/03236/LBC)

Conversion of Flat C to three flats, (two x 2 Bed and 1 x studio) at second and third floor.

Conversion of building into two residential 2 x 1 bed flats (Class C3). Installation of replacement windows and doors to front and rear elevations, and skylights at lower ground floor and roof levels.

Works at 89 Boundary Road to include use of part lower ground and part ground floors as a residential flat (Class C3) and office (Class E), and first, second and third floor as 2 residential flats (Class C3); Erection of rear extensions at lower ground and ground floor levels with associated terrace at first floor level; Erection of mansard roof extension, alterations to windows and doors; and works to 87 Boundary Road to include demolition of existing rear extension and erection of mews house at rear of site, reduced office space; erection of a mansard roof; Conversion of maisonette at first and second floor into two flats with additional accommodation at roof level; and use of the lower ground and ground floor as office (Class E).

Conversion of 3 self-contained flats into a single family dwellinghouse.

Extensions and alterations in connection with the conversion of single family dwelling house to 3 flats; including demolition of ground floor rear projection part upper projection and boundary wall, new full width ground floor extension with rooflights.

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.