Amendments to planning permission dated 04 December 2019 (RN: 19/06876/FULL) for Variation of Condition 1 and 6 of planning permission dated 31 May 2019 (RN: 19/00910/FULL) for: Extension and reconfiguration of ground and lower ground floors of the Hotel to create additional floorspace beneath a new atrium for conference and event purposes; creation of new retail unit and a reconfiguration of existing restaurant facing Marylebone Lane with alterations to the ground floor facades; amalgamation of a 1 and 2 bed residential unit at first floor level of No 4 & No 6 Mandeville Place and a rear first floor extension to create a family sized residential unit. Use of ground and lower ground floors of No.4 Mandeville Place as Class D1; NAMELY, to vary the description of development and the addition of the following condition No 29 : "Other than the amalgamated residential unit and additional hotel floorspace, the development hereby permitted shall comprise a retail unit (Class E(a)) and restaurant (Class E(b)) at lower ground and ground floor fronting Marylebone Lane and use of the ground and lower ground floor of no.4 Mandeville Place as Medical Services under Class E (e)."

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 23 June 2020 (RN: 19/09663/FULL) for Demolition and development, including basement excavation, behind a retained front facade of 41-45 and 57, 59 and 63 Pimlico Road, including: realignment of the rear elevation; installation of new roof structures, and the creation of external terraces; demolition of 61 Pimlico Road (fronting onto Pimlico Road) and reconfiguration of the Yard, retaining the existing piers and roof structure with new mezzanine level; replacement of shopfronts to 41, 43, 45, 57, 59, 61 and 63 Pimlico Road; replacement of the glazed roof lantern to Newson's Yard; creation of roof level plant enclosure above part of the builders' yard; creation of 5 x Class A1 retail units at basement, ground and mezzanine level; 2 x flexible A1/A3/B1/D2 units at ground and mezzanine level; with 9 x Class C3 residential dwellings at the first, second and third floor levels (with ground floor access), including mansard extensions to 41-43 Pimlico Road and 63 Pimlico Road; together with associated external alterations. Namely, to remove sidelights to rear elevation of 63 Pimlico Road; consolidation of louvres to plant room roof; and amendments to residential metal balustrade / planter design.

Amendments to planning permission dated 16th March 2021 (RN 20/04933/FULL) for 'Demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level 1 for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); basement level 2 for car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works'. NAMELY, to remove reference to level 1 and basement level 2; and for the description of development to read as follows: 'Demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement levels for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works'.

Amendments to planning permission dated 23 May 2019 (RN: 17/07726/FULL), namely to amend the description of development to read as follows: Extension of existing office and retail building and associated works to provide additional office floorspace at roof level, use of part of the ground floor for commercial and Sui Generis use, part demolition and alterations to the stone facade fronting Buckingham Palace Road and the part removal of the glazed building canopy, alterations to the public realm, creation of high level terraces, alterations to bus facility on Bulleid Way and roof top plant along with highway, landscaping and other works.

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 26 May 2020 (RN: 19/01472) for: 'Excavation to create a deeper basement level and excavation under Wells Mews, demolition of 58-60 Berners Street and demolition behind retained facade of 14-17 Wells Street and erection of a new mixed use development within two adjoining buildings comprising lower ground, ground plus 5 storeys fronting Wells Street and lower ground, ground plus 7 storeys fronting Berners Street to accommodate flexible retail (Class A1) or financial and professional services (Class A2) or restaurant (Class A3) purposes on part lower ground and part ground floors, office (Class B1) on upper floors and installation of plant behind screening on both roof levels. The scheme also includes external alterations to 14 and 15 Eastcastle Street (part of Woolverstone House) to accommodate a wider and improved entrance into Wells Mews from Eastcastle Street, an upgraded residential entrance to 1 Wells Mews'; NAMELY, changes to the internal layout at lower ground and ground floor levels, removal of bridge and entrance doors to Berners Street retail unit, reduced depth beneath pavement on west side of Wells Mews to accommodate smoke vents, alterations to fenestration, retained roller shutter instead of new louvred access door to Wells Mews, extensions to railings around roof level plant, altered layout of roof level plat and associated alterations.

Amendments to planning permission allowed on appeal dated 23 June 2017 for the: variation of Conditions 16 and 17 of planning permission dated 9 October 2014 (RN: 13/12442/FULL) for reconfiguration of the ground and first floors to provide a supermarket (Class A1) at part ground floor and first floor levels with three retail shop units (Class A1) and two restaurant/ cafe units (Class A3) at ground floor level, extension to Porchester Road and Bishop's Bridge Road elevations to infill existing colonnade and create entrance lobby to supermarket, infilling of basement vents to Bishop's Bridge Road, alterations to street facades, amendments to rear service yard, installation of mechanical plant and associated public realm works. NAMELY, to allow alterations to the exterior of the building within servicing areas of the existing development.

Amendments to planning permission dated 1 September 2014 (RN: 14/02566/FULL) for: Variation of Condition 1 of planning permission dated 04.09.13 (RN: 12/12041) for external alterations and extensions including rebuilding of existing 7th and 8th floor levels, installation of photo-voltaic cells, green roof & plant at roof level, alterations to street facades and rebuilding of rear facades (with new balconies on Smith Court and Piccadilly Theatre frontages, and roof terraces at eight floor level on all frontages), provision of 38 dwellings at 4th-8th floors, with new residential entrance to Sherwood Street, use of second and third floor as offices (Class B1), reconfiguration of existing uses at basement, ground and first floor levels at 12/13 Sherwood Street and 63-75 Brewer Street to provide 2 No. retail (Class A1) units and altered health club (Class D2) layout with new health club entrance on Brewer Street - to allow minor amendments to the approved scheme including: changes to the steel window design on the street facing facades; alterations to the aluminium window design on the rear facades; installation of ventilation grilles in the windows at 3rd-7th floor levels on the Sherwood Street and Brewer Street elevations; alterations to the flank/party wall on Brewer Street; changes to the roof layout and massing; AND removal of Condition 3(2) (requiring detailed drawings of new windows): NAMELY, to amend energy and sustainability strategies to facilitate the removal of a trigeneration system forming part of the central plant within The Crown Estate's Quadrant development and amend the wording of condition 20 accordingly.