Amendments to planning permission dated 19 April 2021 (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, consisting of the provision of new door height railing gates to the main entrance, new openable railing gates to the eastern side of the main entrance, and insertion of French doors to the eastern ground floor shopfront.

Amendments to planning permission 23rd February 2022 (RN: 21/07541/FULL) for, 'Erection of infill extension at basement level in order to enlarge existing office (Class B1), use of part ground floor on Mount Street elevation as a shop (Class A1) accessed from existing bay, erection of roof extension to enlarge existing flat (Class C3), insertion of new windows and doors on the north and east elevations, creation of a residential terraces at third floor level and provision of plant within existing vaults'; NAMELY, to enable internal layout changes to lower ground floor offices, ground floor office and residential entrance and flats 1, 2, 3 and 4.

Amendments to planning permission dated 8th August 2017 (RN 16/12291/FULL) for the Variation of Condition 1 of planning permission dated 2 April 2015 (RN: 14/08070/FULL) for Demolition of existing Barracks buildings (except for the listed Riding School) and redevelopment for residential use (Class C3) to provide a total of 163 units including 59 affordable units . Use of the listed Riding School as private ancillary leisure facility with internal and external alterations. Provision of Class A1/A3 retail units and Class D1 at ground level at 1 - 7 Queen's Terrace, redevelopment behind the retained front facade and the erection of a mansard roof extension ,creation of landscaped areas and reconfigured vehicular and pedestrian access together with associated works including the provision of parking, circulation space, servicing and plant area and use of the listed Riding School as a private ancillary leisure facility, associated internal and external alterations, new side extension and the excavation of a lower ground floor beneath the Riding School. Namely, to allow a reduction in the basement volume; reduction in market housing car parking numbers (affordable housing parking spaces remain unchanged); amendments to the phasing plan, with the entirety of the basement to be delivered in phase 1; adjustment of Block 4b changing this to an apartment building within the overall massing of the consented Block 4b houses envelope including associated roof level changes which increases the number of residential units within the consented range; and adjustment to the mix of units within the market housing accommodation.

Amendments to planning permission dated 23 February 2022 (Ref: 21/06850/FULL) for, '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, proposed standby generator exhaust flue to serve the life safety back-up generator located in the basement and residential satellite and TV aerial to serve the residential flats.

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)

Amendments to planning permission dated 08 August 2017 (RN: 16/12291/FULL) which in itself varied Condition 1 of planning permission dated 2 April 2015 (RN: 14/08070/FULL) for Demolition of existing Barracks buildings (except for the listed Riding School) and redevelopment for residential use (Class C3) to provide a total of 171 units including 59 affordable units . Use of the listed Riding School as private ancillary leisure facility with internal and external alterations. Provision of Class A1/A3 retail units and Class D1 at ground level at 1 - 7 Queen's Terrace, redevelopment behind the retained front facade and the erection of a mansard roof extension ,creation of landscaped areas and reconfigured vehicular and pedestrian access together with associated works including the provision of parking, circulation space, servicing and plant area and use of the listed Riding School as a private ancillary leisure facility, associated internal and external alterations, new side extension and the excavation of a lower ground floor beneath the Riding School. NAMELY, a reduction in basement extent, shifting the footprint of the LG02 basement level, reduction in size of LG01 basement level, amendments to the general arrangement plan for LG0 basement level; reduction at LG0 at the southern piling along Block 1 and 4a; introduction of a phased approach to demolition/construction; minor apartment layout changes; division of Block 6 boiler flue and facade changes to Block 9 .

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.