Amendments to planning permission 4th January 2019 (RN: 19/00087/FULL) Variation of Conditions 1 and 31 of planning permission dated 10 December 2018 (RN: 18/02900) for the Demolition of existing buildings and demolition behind retained facades of 19 and 20 Denman Street facades realignment of 4-6 Glasshouse Street, 1 Sherwood Street, 8 Glasshouse Street and 11-17 Shaftesbury Avenue facades and retention of Piccadilly Lights (adverts). Construction of a replacement six storey building (plus 6th floor mezzanine office) with three basement levels to create a mixed-use scheme comprising office (Class B1) at part ground to 6th storey mezzanine, retail (Classes A1 retail and A3 restaurant) at part basement 1, part ground and part first floor up to seven residential units (Class C3) at part first floor, part second floor and part third floor and plant and cycle storage within the basement. Associated works including mechanical plant within roof enclosure and loading facilities to allow use of 6th floor mezzanine (Level 7) as restaurant (Class A3), roof realignment at Level 7 and new plant enclosure at Level 8, flexible use of approved retailing (Class A1) for retail and restaurant purposes (Classes A1 and A3), removal of chimneys on 1-17 Shaftesbury Avenue facade, minor adaptations to accommodate the Piccadilly Lights planning permission and advertisement, and adaptation to accommodate LBC consent (17/07490/LBC). Namely; to revise the energy strategy and to enable development behind reconstructed facades to 19 & 20 Denman Street. NAMELY; to amend the description of development to replace reference to Classes A1 retail and A3 restaurant with Class E (g)(i) office, Class E (a) retail and Class E (b) restaurant; and to amend the wording of Conditions 4 and 33 to enable the public art to be relocated to 17-19 Denman Street and to clarify the number of retail units.

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 17 December 2019 (RN: 19/02449/FULL) for Variation of Condition 1 of planning permission dated 19 November 2018 (RN: 18/04595/FULL), which itself varied Conditions 1, 15 and 16 and removal of Condition 49 of planning permission dated 1 November 2017 (RN: 16/12203/FULL), which varied Condition 1 and removed Condition 10 of planning permission dated 27 April 2016 (RN: 15/10072/FULL) for: Demolition of and redevelopment of building behind retained and refurbished facades to Queensway and Porchester Gardens facades to provide a mixed use development comprising three basement levels, ground floor and up to 10 upper floor levels, containing residential units (Class C3), retail floorspace (Class A1 and A3) facing Queensway and arranged around a new retail arcade below re-provided central atrium and central retail courtyard, public car park, hotel (Class C1), cinema (Class D2) gym (Class D2), crèche (Class D1), with associated landscaping and public realm improvements, provision of basement residential parking spaces, cycle parking and associated basement level plant and servicing provision. (Linked to 19/02374/LBC). NAMELY, to amend landscaping at roof top level by the southern penthouse to provide a rooftop pool.

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 planning permission dated 3 March 2020 (RN 19/09981/LBC) for the Variation of condition 1 of listed building consent dated 20 February 2016 (RN: 15/10446/LBC) for the: Development of 55-59 Knightsbridge (including retention of Knightsbridge facades, demolition and the dismantling and reinstatement of roofs and chimneys) to provide retail (Class A1) at basement and ground floor levels and 18 residential flats at first, part second floor and third to fifth floor levels. Demolition of 1-2 William Street and its replacement with a redesigned building with internal linkages to 55-91 Knightsbridge. Namely, to allow alterations to William Street Residential Entrances, door to Wilton Place, fenestration changes to rear facade, increased lift Shaft to rear face of William Street, merlons to west elevation, West façade end bay reconstructed, chimneys to coping stone detail in mansard, pavilion gable apex roof stones, ridge height of mansard roofs, projecting signs to shopfronts, retained parapet to no. 55 Wilton Place, general layout alterations, and associated works from RN 19/09981/LBC, NAMELY, to vary the approved drawing numbers to amend the design of the external vent at no. 4 William Street and the removal of a ceiling at third floor level.

Amendments to planning permission dated 23 March 2018 (RN: 17/08716/FULL) for Variation of condition 1 and removal of condition 33 and 34 of planning permission dated 20 April 2016 (RN: 15/06448) for the 'Demolition of all existing buildings and comprehensive redevelopment to provide a mixed use development accommodated in a single building arranged around a central courtyard of lower ground, ground, eight upper floors, rooftop plant and basements. Use of new building for hotel comprising up to 190 guest rooms, restaurants/bars, ballroom, function rooms, hotel leisure/spa facilities, ancillary and back of house spaces (Class C1), 24-28 residential dwellings including ancillary residential leisure and amenity facilities (Class C3) and retail (Class A1), car and cycle parking with access from Grosvenor Crescent and Halkin Street, refuse, delivery and circulation spaces within basements and other associated works. (Site includes Yorkshire House, Grosvenor Crescent, 3, 4, 5 and 8 Pembroke Close and 12 Halkin Street London SW1)'. NAMELY, to amend the approved drawing numbers to allow design changes to all building facades and internal alterations to the design of the building, installation of a Building Maintenance Unit at roof level and alterations to the roof parapet line, NAMELY, to make changes to the south-west building elevation facing Forbes House, specifically in relation to the approved windows and their layout on the southern part of the site and to add an additional condition (38) to the planning permisison: "You must carry out the development in accordance with the approved Design Amendment Statement Ref: 1GP-HAP-XX-XX-RP-AR-0096 insofar as it relates to the approved windows and their layout on the southern part of the elevation and maintain it in accordance with this Design Amendment Statement in perpetuity thereafter."

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.