Confirmation that the demolition of the pergola structure and supporting adjoining stonework chimneys at Level 10 on the West Wing of 55 Broadway constitute a material operation which has lawfully implemented planning permission dated 23 December 2020 (19/09813/FULL) for: Conversion of buildings for use as hotel (Class C1) with ancillary flexible retail, leisure/spa, restaurant or bar use and other associated facilities; use of 10th floor roof terraces; internal and external alterations including creation of new service bay off St Ermin's Hill, reconfiguration of entrances/exits to St James's Park Underground Station and rooftop plant.

Erection of a roof extension at the side and rear and partial conversion of existing plant room to provide 5no. self-contained flats together with private amenity space, cycle storage and refuse & recycling facilities. Partial demolition at roof level.

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).

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).

Loft conversion with associated installation of two rooflights to rear roof slope, erection of replacement rear infill extension with three new rooflights, alterations to rear fenestration, reinstatement of front boundary wall railings. Internal alterations including erection and demolition of partitions, installation of a WC under the existing staircase, removal of the chimney breast at first floor, lowering of first floor ceiling and installation of stair to loft conversion (linked to 21/02310/FULL).

Erection of a loft conversion with associated installation of two rooflights to rear roof slope, erection of replacement rear infill extension with three new rooflights, alterations to rear fenestration, reinstatement of front boundary wall railings. Internal alterations including erection and demolition of partitions, installation of a WC under the existing staircase, removal of a chimney breast at first floor only, lowering of first floor ceiling and installation of stair to loft conversion. (Linked with 21/04611/FULL)

Erection of a loft conversion with associated installation of two rooflights to rear roof slope, erection of replacement rear infill extension with three new rooflights, alterations to rear fenestration, reinstatement of front boundary wall railings. Internal alterations including erection and demolition of partitions, installation of a WC under the existing staircase, removal of a chimney breast at first floor only, lowering of first floor ceiling and installation of stair to loft conversion. (Linked with 21/04612/LBC)

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 29th July 2014 (RN 13/09737/FULL) for the demolition of Ergon House and construction of eight storey residential building incorporating a ground floor retail unit (Class A1) and partial demolition and reconstruction of rear wing of 9 Millbank and conversion to residential use to provide 161 residential flats. Conversion of the gatehouse on Dean Bradley Street to provide a single dwelling unit. Provision of basement car parking and landscaped courtyards. Namely, alterations to internal layout, provision of new window, changes to roof level terrace, balustrading and arrangement of planters, provision of new guarding and access gate at level 09, openable windows, internal works, alterations to roof screen, new smoke shaft to north east corner, new smoke extract at level 09 and new fixings for maintenance purposes.

Continued use as public house (Use Class A4) at basement and ground floors and conversion of upper floors into six residential units together with roof extension to existing building; erection of five storey mixed-use building over beer garden restating Class A4 use at ground floor level and provision of three residential units on upper floors; demolition of pub garden outbuildings and boundary wall to Harrow Road.