Amendments to planning permission dated 29th January 2020 (RN:19/07298/FULL) for Use of part of the basement, ground floor and first floors to provide a retail unit (Class A1). Internal alterations to the office (Class B1) reception and provision of refuse stores at ground floor. External alterations to form new entrance doors and associated changes to shopfronts, new gate to the access ramp, plant and terrace at first floor and associated works. NAMELY, to remove the three existing skylights at first floor roof level

Amendments to planning permission dated 15th January 2019 (RN 17/05283/FULL) for the demolition of Nos 66 & 68 Oxford Street and redevelopment behind retained facades of Nos 54-62 Oxford Street and 51-58 Rathbone Place to provide a new building comprising four basement levels, ground and seven upper floor levels. Use of entire building either for retail (Class A1) or the use of part basements to first floor as retail (Class A1) and offices (Class B1) with a dual/alternative use of floors two to seven for either retail (Class A1) or office (Class B1) use; and associated works including plant at basement levels 3 and 4, the creation of terraces at sixth and seventh floors; external roof top plant at seventh floor level behind an acoustic attenuated louvred façade onto Perrys Place, and the installation of photovoltaic panels at roof level. NAMELY, alterations to the external facades of the new build elements; minor amendments to the internal floor areas as a result of the new external facades.

Amendments to planning permission dated 08 November 2022 (RN22/06159/FULL) for creation of two roof terraces at fourth floor level and a terrace at second floor level with associated alterations to the elevations at these levels to include new access doors, installation of a green wall on the rear of the building, Namely, alteration to the height of the fourth floor dormer / terrace at the Cavendish Square elevation.

Amendments to planning permission dated 23 December 2022 (RN: 22/05428/FULL) for 'Two-storey extension including roof-level plant along the Bressenden Place façade to provide a new office entrance pavilion (Class E), the provision of Class E office / retail accommodation, remodelling of the crown of Portland House and creation of a setback rooftop extension to provide office amenity (Class E) and an outdoor terrace, reconfiguration of the second floor plant accommodation fronting Cardinal Place, relocation of the zephyr on Bressenden Place, provision of cycle parking, public realm and associated works including window replacement and the application of a new façade treatment', NAMELY to enable the removal of specified louvres, relocation of the generator, façade updates at ground floor level, installation of safety balustrading, relocation of the consented UKPN access, creation of a separate ground floor access for the crown amenity space and installation of additional sliding doors at Level 30.

Amendments to the planning permission dated 08 June 2023 (Ref: 22/08196/FULL) for installation of bi-fold doors and the formation of a roof terrace with balustrade at mansard level (Linked with 22/08197/LBC); NAMELY to allow for the installation of metal framed doors of a style similar to the existing windows. [Linked with 23/08076/LBC] (Works relate to Flat E)

Amendments to planning permission dated 22nd July 2022 (RN: 20/06991/FULL) for, 'Part demolition of, and extensions to, the existing buildings, including a 2 storey roof extension; the refurbishment of the existing and creation of new office (Class B), hotel (Class C1), retail (Class A1 - A5) and Leisure and non-residential institutions (Class D1 - D2) floorspace with ancillary functions; basement refurbishment works; the erection of a 5 storey pavilion on the corner of Piccadilly and Dover Street; Installation of plant at roof level; hard and soft landscaping works as part of an improved public realm offering at Dover Yard and pedestrian route between Dover Street and Berkeley Street, including the creation of additional retail outlets; and other ancillary works. (Site includes 1 - 7 Berkeley Street)'; Namely, to update the approved roof plan to accommodate proposed tenant roof plant.

Amendments to planning permission dated 22nd June 2022 (RN: 23/02274/FULL) for, 'Erection of rooftop plant equipment and screening at 1st and 2nd floor roof levels, amendments to existing shopfront and associated works'; Namely, to install ship's ladder from the external walkway on the 2nd floor of Mandrake Hotel, modification of existing ship's ladder on same floor and installation of two small water tanks.

Amendments to planning permission dated 9th June 2021 (RN: 20/04168/FULL) for; 'Redevelopment of existing buildings behind retained facades to provide a mixed use building comprising flexible A1 / A3 / D2 at new basement level, flexible A3 / B1 / D2 at lower ground floor level, A1 use at ground floor level and B1 use from first to fifth floor levels with associated plant, cycle parking and refuse storage, replacement of existing shopfronts, reinstatement of lightwells to Eastcastle Street, replacement of existing roof and various improvements to the Eastcastle Street elevation (Site includes 36 and 37 Eastcastle Street)(revised waste storage)'. Namely, to specifically amend the wording of condition 40 to allow for above ground works to take place prior to the submission of details relating to archaeology.

Amendments to the planning permission dated 30 May 2022 (RN: 22/00074/FULL) for the demolition of the existing mansard roof to the rear of the property, reconstruction of a new mansard roof, formation of a terrace and replacement of windows to the front and rear elevation. (Linked with 22/00287/LBC); NAMELY, redesign of new internal staircase between 4th and 5th floors and other internal layout changes. [Linked with 23/06633/LBC]

Amendments to planning permission dated 27 July 2022 (RN: 21/04390/FULL) for the: Demolition and redevelopment of 91-92 Dean Street, Diadem Court and 10-13 Great Chapel Street, behind retained façade at 91-92 Dean Street and behind retained façade of ground and lower ground floors of Diadem Court and erection of a building of basement, ground and part three and four upper storeys with rooftop plant and roof terrace, for use as hostel visitor accommodation (sui generis) of between 725 and 775 bedspaces, and use of part of the ground basement of 14-15 Carlisle Street for healthcare clinic use with ancillary café at 92 Dean Street. NAMELY; to allow amendments to the external doors to the substation, in the Great Chapel Street elevation; reconfiguration of the internal back-of-house area at ground-floor level; replacement of glazing with solid panels for the service door in the Diadem Court elevation; retention of an existing window, previously intended to be removed, in the Dean Street elevation at ground-floor level; rearrangement of external plant equipment across both roof levels, removal of chimney from 91 Dean Street, omission of pizza flue, omission of roof terrace and replacement of existing doors and window to rear elevation of 91 Dean Street.