Amendments to planning permission dated 23 February 2022 (RN: 21/07541/FULL) which was in itself an amendment to a previous permission for the '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 change the appearance of the external entrance door into the retail unit at ground floor level, retain a window at basement level and to modify the internal layout from basement to fourth floor level

Amendments to planning permission dated 23 February 2022 (RN: 21/07541/FULL) which was in itself an amendment to a previous permission for the '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 wall mount air condenser units in an enclosure within the front lightwell underneath the external stair along the Balfour Place frontage instead of within the basement vaults.

Alterations to parts of the basement, ground and first floors of Macmillan House at the rear of Platform 1 to form three new retail units, including complete refurbishment of basement passenger toilets accessed from a single shared stairwell; restoration and upgrading of the building fabric to ground and first floors, including reinstating arches within window openings back to their original design; reconfiguring and upgrading the internal layout of Macmillan House to provide three new high quality retail units and providing first floor retail access providing views from the eastern transept windows; and creation of a new active frontage on Eastbourne Terrace.

Internal alterations at ground and first floor levels including internally illuminated signage within shop windows.

Alterations and extension to 30 Gloucester Place (including 91 Blandford Street and 112 George Street) including refurbishment of the lower ground, ground and first floors, extension of the lower ground floor; external works including part demolition of facades, ground floor and removal of ramp to create a new a triple arched walkway through the building with canopy, railings, security gates, new steps and ramp to provide level access to the 30 Gloucester Place entrance, a rear elevation connection with the proposed single storey retail units within the courtyard, new ramp and railings to 112 George Street entrance; façade maintenance and refurbishment; painting and repair of the rear elevation; replacement or refurbishment of windows and doors at ground and first floor; replacement railings; installation of two CCTV cameras; removal of the existing roof plant. Internal reconfigurations at basement, ground, first, second, third and roof level, including the reduction of the basement footprint, demolition of the lift machine room, demolition and relocation of the waste chute and lift, re-configuration of the office internal stair core, creation of an office lobby area, improvements to the retail arcade layout, re-configuration of the residential corridor and units at first floor. External alterations including removal of the existing BMU, introduction of a new MEP louvre, demolition of the railings on top of the lightwell, proposed MEP risers, insertion of a new brick screen at roof level to match the existing, windows to be refurbished to match the existing, new proposed windows to parts of the north and south elevation at first floor as a result of the internal reconfigurations. Works to the building, including changes to the East Elevation façade including additional non-openable windows, changes to the layout of the ground floor retail units, refurbishment of the roof.

Installation of one new internally illuminated fascia sign measuring 1.12m x 4.07m, one non- illuminated fascia sign measuring 1.57m x 0.28m and installation of vinyl signage to both the interior and exterior of shop window

Amendments to planning permission dated 26th April 2021 (RN:18/05362/FULL) for Variation of condition 1 and 21 of planning permission dated 12 October 2017 (RN: 17/02923/FULL) for the Demolition and redevelopment behind retained facade to provide a building of two basements, ground, part mezzanine and eight upper storeys accommodating retail (Class A1), office (Class B1) and flexible retail / office (Class A1 / B1) floorspace:to allow, alterations to retained facades including replacement windows to the east and south facades, alterations to facing material at rear elevations, clarification of facade reconstruction at parts of ground, first, sixth and seventh floors, alterations to office entrance, reduction of lightwell size on Great Cumberland Place, and reduction of doorway recesses at building entrances - NAMELY, to amend the wording to include flexible commercial uses use (Class E) at basement, ground and part first floor level and office (Class E) within part first floor level and second to eighth floor levels.

Amendments to planning permission dated 23rd January 2023 (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 amend the wording of Condition 3 (Code of Construction Practice) to enable early works to be carried out in accordance with the Appendix A dated 22/11/22 signed by the Environment Inspectorate and prior to the discharge of Condition 3.

Display of temporarily four externally illuminated Uplighters to be placed on balcony, including display of Gobo lights, which will be placed internally (inside the shop window) to shine outside on pavement.(Linked with 23/00330/ADV)

Display of temporarily four externally illuminated uplighters to be placed on balcony, including display of Gobo lights, which will be placed internally (inside the shop window) to shine outside on pavement.