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 14 May 2021 (RN 20/01550/FULL) for excavation of a basement beneath the footprint of the original dwelling. Erection of additional mansard roof storey with dormer windows. Alterations to elevation to provide new windows. Merging the two existing flats into a single dwelling house. NAMELY, to amend and include additional windows and raise roof level.

Amendments to planning permission dated 9th February 2021 (RN:20/05502/COFUL) for Variation of conditions 1, 25, 27, 32 and 38 and removal of condition 26 of planning permission dated 02 April 2015 (13/11894/COFUL ) for the redevelopment of Lisson Arches, Penn House and 4 Lilestone Street; namely, the erection of a building at Lisson Arches on Bernhardt Crescent to provide enterprise space (Class B1(b ), (c ), flats for the elderly to replace the accommodation in Penn House. Redevelopment of Penn House and 4 Lilestone Street to prove a new community /health care hub and residential units in buildings with basement car parking off Lilestone Street, public realm/landscaping improvements and other enabling works. (Council's Own Development). Namely, to amend wording of condition 28 (Secure by Design).

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.

Amendment to planning permission dated 02nd December 2016 (RN: 16/03476/FULL) for the Variation of Condition 24 of planning permission dated 22 March 2016 (RN: 15/02440) for erection of a new residential building comprising basement, lower ground, upper ground and four upper floors to provide 8 x self-contained flats, including basement car parking. Installation of mechanical plant and solar photovoltaic panels at roof level. Namely, amendments to move the internal refuse store from the lower ground floor to the basement floor; and provision of a temporary holding facility for bins with access from Grosvenor Road on the lower ground floor.

Variation of Conditions 6 and 16 of planning permission dated 17 November 2020 (RN:19/05099/FULL) for demolition of existing buildings and erection of a new building comprising basement, ground and 7 upper levels plus rooftop plant to provide a hotel with associated ancillary facilities including restaurant/bar and gym (Class C1), 1 x 2 and 1 x 3 bedroom apartments (Class C3), plant, cycle parking and other associated works. Namely, to amend the wording of Condition 6 to allow the provision of separate logistic plans for the demolition and construction phases; and the wording of Condition16 to allow the provision of a BREEAM pre-assessment before commencement of construction, rather than demolition, and ensure a final post construction stage assessment and certification is provided within three months of occupation.

Variation of Condition 1 of listed building consent dated 19th July 2018 (RN: 18/02362/LBC) for, 'Demolition of rear facade of Nos. 96-98 Baker Street and front and part rear facades of No. 14 Sherlock Mews, use of first to fourth floors of Nos. 96-98 Baker Street as eight residential flats (Class C3), amalgamation of flats at first and second floors of No. 14 Sherlock Mews into a maisonette (Class C3), erection of replacement shopfronts to Baker Street facade, erection of replacement rear facade to Nos. 96-98 Baker Street, erection of replacement front facade to No. 14 Sherlock Mews, alterations at roof level, and other associated external alterations'; NAMELY, (i) Amendments to the design of the main door of the residential entrance at the Baker Street front elevation; (ii) Amendment to the material finish of the residential entrance to the building at the Baker Street front elevation; (iii) Internal layout changes to 1st - 4th floor flats at 96-98 Baker Street; (iv) Reconfigured exhaust shaft for theatre at 1st floor terrace to the Baker Street rear elevation; (v) Modification to bedroom windows at the Baker Street rear elevation to accommodate exhaust shaft for theatre; (vi) Revised location of access hatch to roof; (vii) Reduced area for clerestory pop-up at Baker Street rear elevation; (viii) Addition of a guard rail at roof level; and (ix) Introduction of external pipework to the Baker Street rear elevation.

Variation of Conditions 1, 30 and 31 of planning permission dated 16 September 2019 (RN: 18/10420/FULL) which in itself varied permission dated 8 February 2017 (RN: 15/08352/FULL) for the Demolition of existing building and erection of a new six storey, plus basement building with frontages to Wellington Road and Cochrane Street to provide 36 units for a dual/ alternative use as residential flats (Class C3) or serviced apartments (Sui Generis), with car and cycle parking at basement level and new landscaping'; NAMELY, to amend the finished detailing and cladding to the central link block containing the stair and lift core and lift over run.

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.

Amendments to planning permission dated 21 October 2019 (RN: 18/04163) for: Variation of Conditions 1, 8,and original condition 24 and removal of Condition 10 of planning permission dated 23 February 2018 (RN: 16/11248) for Demolition of existing buildings on site and redevelopment to provide up to 30 residential units (Class C3), office floorspace (Class B1), gymnasium (Class D2), retail art gallery (Class A1), restaurant (Class A3) and retail (Class A1) floorspace; creation of a new pedestrian link through the site between Yarmouth Place and Carrington Street; erection of buildings either side of the new pedestrian link between 4 and 8 storeys in height excavation to create additional basement accommodation provision of on site car parking, cycle parking and delivery bay on Yarmouth Place new landscaping including improvement works to Yarmouth Place associated alterations; NAMELY to amend the approved drawings to changes to the party wall with 100 Piccadilly and increase the number of car parking spaces by (additional 44 spaces) within the development, and to change the wording of Condition 8 to allow the demolition and construction phases of the COCP to be submitted separately, and to allow the demolition clauses to be included in the S106 agreement. Further alterations received to reduce the size of the basement levels at 01-04; reduction in the size of the art gallery and gym; parking entrance reconfigured; Yarmouth Place elevation amended. Namely, various reconfigurations of cores, residential layouts, car lifts and flats, the realignment of the boundary walls and replacement of Condition 38 (waste storage).