Variation of Condition 1 of planning permission dated 19th April 2023 (RN: 20/04541/FULL) for, 'Erection of an extension at the rear of 18-22 Wigmore Street at first to fourth floor levels and alterations to the rear roof form to allow conversion of the attic space to provide additional residential floorspace for the existing flats (Class C3), including the infilling of an internal lightwell adjacent to 16 Wigmore Street and the installation of a new lift. Alterations at basement and ground floor level including the infilling of a rear lightwell at basement and ground floor levels. Installation of plant within an associated enclosure at rear first floor level with a green roof over and screened plant on a flat roof at fourth floor level to the rear of 22 Wigmore Street. Alterations to the front of the building including new windows, shopfronts and metal railings at ground floor level. All in connection with the dual / alternative use of the basement, ground and first floors as either office (B1) / retail (A1) or a sui generis use comprising piano showroom, office space, new recital room, piano practice rooms and workshop space and use of the second to new fifth floors as 8 residential units comprising 3 x 1 bed; 4 x 2 bed and 1 x 3 bed' (SITE INCLUDES 18, 20 AND 22 WIGMORE STREET); NAMELY to install additional plant at rear first floor level and amend the approved enclosure, decorative cladding and green wall. (Application under Section 73 of the Act).

Variation of condition 1 of planning permission dated 19th March 2019 (RN: 18/07737/FULL) for 'Alterations to all elevations of the property to include the installation of balconies and extended windows to create doors; installation of plant at main roof level and lower ground floor level; use of lower ground floor as 6 residential flats (Class C3) and reconfiguration of the existing residential units on the upper floors of the property; extension at lower ground floor level within the existing lightwell and at all floor levels on the Hay's Mews elevation; alterations at main roof level including the creation of an internal residential amenity space' (SITE INCLUDES 27A HAY'S MEWS), NAMELY, to amend the drawings to remove of a number of balconies at all floor levels; relocation of the residential cycle parking; alterations to the layouts of residential units at ground and lower ground floor levels; new windows at ground and lower ground floor levels and use of render instead of the approved Portland Stone. (Application under Section 73)

Variation of condition 1 of planning permission dated 14th February 2019 (RN:18/10787/FULL) for the Erection of single storey roof extension to create new eighth floor and extensions at sixth and seventh floors to allow the enlargement of two residential flats (Class C3), alterations to shopfronts facing Park Lane and associated external alterations. Namely, to infill part of the terrace at eighth floor level to provide additional residential floorspace, additional glazing at eighth floor level, to amend the window configuration at the 6th and 7th floor level, and the new extension at 8th floor level, glazing to be reduced on the west elevation, extensions and associated guardings on the north and south elevations, raise the rear central projection by 300mm, central space to be moved back to align with the seventh floor at roof level.

Amendments to planning permission dated 06 August 2020 (Ref: 19/08291/FULL) for, 'Excavation of a sub-basement, redevelopment of nos. 5 - 6 Yarmouth Place, alterations and extension to provide enlarged sixth and new seventh floor storeys and installation of plant at basement, ground and fourth floor levels. Use of extended and altered building as 36 x flats (Class C3) (an additional 28 above existing), car / cycle parking and a shop (Class A1) or financial and professional institution (Class A2) at part ground floor level. Internal alterations. (site comprises 96-100 Piccadilly and 5 - 6 Yarmouth Place)'; NAMELY, to amend the description of development to amend the description of development as follows: Amendments to planning permission dated 6 August 2020 (Ref: 19/08291/FULL) for 'Excavation of sub-basement, redevelopment of Nos. 5-6 Yarmouth Place, alterations and extension to provide enlarged sixth and new seventh floor storeys and installation of plant at basement and ground floor levels. Use of extended and altered building as up to 36 x flats (Class C3) (up to an additional 28 above existing), car/cycle parking and a Class E use. Internal alterations. (SITE COMPRISES 96-100 PICCADILLY AND 5-6 YARMOUTH PLACE)

Variation of condition 1 of planning permission dated 13 September 2021 (RN: 21/04494/FULL) for the: Refurbishment of existing duplex apartment, and replacement of existing infill rear extension with roof terrace above. Namely, to omit rooflight to proposed infill extension and amend garden landscape level; . (Linked with 21/08306/LBC)

Certificate of lawful proposed use to confirm that the following planning permission dated 28.04.2020 (RN: 19/08283/FULL) can be implemented on or before 28.04.2023. Variation of condition 1 (approved drawings and reports) of planning permission (RN: 17/11306/FULL) for the Extensions to the existing building at roof, ground and lower ground level in connection with the provision of 961sqm (GEA) Class D1 floorspace and 9 residential flats (Class C3), together with associated parking), NAMELY, to make design changes and amend the energy strategy to allow from a change from ASHP to gas-fired boilers.

Variation of Condition 1 and removal of Condition 21 of planning permission dated 4 December 2020 (RN: 20/06798/FULL), 'Alterations including 7th floor roof extension, alterations to office and retail entrances/shopfronts on Great Marlborough Street; reconfiguration of western lightwell elevation, installation of photovoltaic panels, green roofs, new extract ventilation duct and new plant enclosure at roof level and creation of office and residential terraces. Use of lower ground, part ground and part 1st to part 7th floors as offices (Class B1); use of part ground floor for dual/alternative retail (Class A1) or restaurant (Class A3) purposes; reconfiguration of existing flats and provision of one additional flat; use of basement to provide plant, cycle parking/showers waste storage and car parking (site includes 11 Ramillies Place)'; NAMELY, to amend the basement layout of the develpment, including the removal of seven car parking spaces for the residential units. (Application under Section 73 of the Act).

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 listed building consent dated 01 September 2020 (20/03687/LBC) which varied Condition 1 of the listed building consent dated 14 December 2019 (19/07326/LBC) for the amalgamation of Flats 1 and 2 on lower ground, raised ground floor and first floor level; Rebuilding of rear extension including provision of French doors onto existing rear ground floor terrace; Reconfiguration of existing lightwell areas and glazed roof over raised ground floor light well enclosure; Lowering of existing lower ground floor level including amendments to the approved layouts of the non-original rear extension at lower ground, raised ground and first floor levels, repositioning of approved rooflights at first floor and garden terrace, and adjustment to the lightwell proportions; Namely, to amend the height of the boundary party walls with Nos. 48 and 50 Ennismore Gardens to the rear terrace area, amendments of the French door arrangement to the rear of the property (raised ground floor level) and modifications to rooflights over approved rear lightwell area.

Variation of condition 1 and removal of condition 34 of planning permission dated 22nd December 2016 (RN: 15/06446/FULL) for Excavation of a sub-basement, redevelopment of nos. 5 - 6 Yarmouth Place, alterations and extension to provide enlarged sixth and new seventh floor storeys and installation of plant at basement, ground and fourth floor levels. Use of extended and altered building as 36x flats (Class C3) (an additional 28 above existing), car / cycle parking and a shop (Class A1) or financial and professional institution (Class A2) at part ground floor level. Internal alterations. (site comprises 96-100 Piccadilly and 5 - 6 Yarmouth Place). NAMELY, to amend the approved drawings to allow for the removal of the proposed building at 5-6 Yarmouth Place (reduces the proposed flats from 36 to 32), the relocation of bin store and plant space, removal of sub-basement car stacker (reduction of 31 spaces) and removal of condition 34 relating to vehicle charging points within the removed basement car park ( Site includes 5-6 Yarmouth Place).