Non-material amendment to the planning permission ref: 19/AP/1375 dated 26/07/2019 for: (Variation of condition 2 of planning permission 18/AP/0475 granted on 19/10/2018 for: "Retention and refurbishment of the existing front main part of the building except its main roof. Removal of all the rear parts and main roof of the existing building. Erections of 3-storey rear extension and mansard style roof extension to the existing building. Rationalise, deepen and extend the existing basement area. Change of use of the basement in the main building from storage to commercial (B1) unit of 130m2 and first floor offices to residential (C3). Reduction of existing ground floor offices from 110m2 to 74m2. Provision of five residential units (comprising 3x2B4P and 2 studio flats) in the proposed first, second and third floor with associated amenity space and separate cycle and bins storage area for both residential and commercial units. Installation of 8 solar panels on the main roof top of the building." to allow: - Alterations (including replacement of windows) to the ground floor shopfront on both Grange Road and Grigg's Place elevation). -The amendment is to provide housekeeper's room on the third floor with reduction of approved 2B3P unit reduced in the total area from 70 square meters to 64 square meters.

Variation of Condition 2 pursuant to planning appeal APP/N5090/W/15/3004620 dated 11/06/2015 planning ref (H/03301/14) for `Two storey side/rear extension and alterations to front facade and fenestration. Change of use from Use Class A4 (Pub) to A1 (Retail) at ground floor and Use Class B1 (Office) at first floor. Refurbishment of existing first floor offices. Creation of 3no. additional upper floors to facilitate 9no. self-contained flats. Refuse facilities, cycle store and 1no. disabled parking to the rear.` Amendments include changes to brick type, steel railings omitted in lieu of toughened glass panels to both residential Juliette balconies and first floor terrace balustrade. Relocation of Juliette balconies and additional two added. Roof top structures for secondary means of escape provision omitted. Revised and Building Control approved means of escape provision adopted with the addition of 2no AOVs. Addition of roof plant and associated screening wall

Variation of Condition 1 of planning permission dated 22nd January 2020 (RN: 19/06551/FULL) for, 'Infilling of internal light wells at fourth to seventh floor levels to create additional office space (Class B1) together with extension at roof level to provide a new eighth floor level comprising four residential units with part mezzanine (Class C3), the recladding of light well walls with minor internal alterations, new residential entrance, and plant in an enclosure at roof level; NAMELY, to make the following amendments to the approved development - mansard structure constructed in steel rather than concrete; existing staircases enlarged to accommodate fire access and escape; internal reconfigurations to the 7th floor; changes to the approved lift overrun and stair core; internal re-configuration of the apartments; reconfiguration of green roofs; addition of green walls to terraces and alterations to fenestration. (Application under Section 73 of the Act).

Variation of Conditions 1 and 10 and removal of Conditions 8 and 9 of planning permission dated 26th September 2016 (RN: 15/05936/FULL) for the: demolition of existing office building and redevelopment to provide a replacement building over two basement levels, lower ground, ground and eight upper levels. Use of the building for residential purposes (Class C3) providing a maximum of 23 flats including 14 car parking spaces at basement level, accessed from Buckingham Gate. Namely, to extend the internal usable space at basement level 2 and reconfiguration of basement 1 without increasing the approved extent of foundations, internal alterations, amendments to window layouts at levels 7 and 8; and to vary the wording of Condition 10 to approve updated Sustainability and Energy Strategy and remove Conditions 8 (uninterrupted demolition and construction) and 9 (installation of PV panels on roof).

Variation of condition 2 and 3 of planning permission ref: 2020/01249/FUL granted 16th October 2020 for the 'Erection of a hip to gable end roof extension; lowering the ridge height of the main roof and erection of an additional floor at roof level; raising of the front and rear parapet walls; alterations to the first floor roof of back addition to include the installation of new rooflights; alterations to the front fenestration to include the installation of new windows at first floor level, new windows and doors at ground floor level to replace the existing doors and windows; alterations to the rear fenestration to include installation of new windows to replace the existing windows at ground floor level; removal of existing windows at first floor level to the rear elevation; lowering of internal floor level and change of use from office (Class B1) into residential (Class C3) in connection with the conversion into 2 x 2 bedroom self-contained flats.' Amendments to facade treatment from approved render finish at the front elevation and approved white painted brickwork finish at the rear elevation with London Yellow Stock brickwork, omission of 2no window at first floor level to the front elevation, internal configuration of staircase and landing area, alterations to the windows at the front and elevation, alterations to the doors at the front elevation and amendment to the rear mansard roof from flat roof to pitched roof.

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 granted 11 June 2019 (RN: 18/09167), which itself varied condition 1 of planning permission dated 26 July 2018 (RN:18/09167) 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, to allow replace approved revolving entrance door and single glazed door to the office entrance with a pair of glazed swing doors (double doors) to the reception area; replacement of the existing central first floor window to match the approved windows; and introduction of aluminium cladding to the entrances at ground and first floor level.