Amendments to planning permission dated 11th October 2023 (RN:23/02276/FULL) for Alterations including erection of roof extension to create an additional storey of accommodation. Namely, to adjust the dimensions of the two side windows on the south building elevation from 2700mm x 600mm (first floor) and 2100mm x 600mm (second floor/roof level) to 2700mm x 615mm (first floor) and 2100mm x 638mm (second floor/roof level)

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 planning permission dated 6 September 2023 (23/04870/FULL) ) for conversion of ground floor garage to habitable accommodation and erection of mansard extension for use in connection with the existing first floor flat (Unit 8); and extension to the rear first floor to existing flat, Unit 2 [Site includes rear of 25-27 Catherine Place]; namely, amendment to the ground floor front window to provide a triple paned window.

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.

Amendments to planning permission dated 21 September 2020 (Ref: 19/10047/FULL) for, 'Demolition of 134-140 Oxford Street and 77-84 Wells Street (Wells House) and the erection of a new building comprising basements, ground plus nine upper floors, with plant accommodation and Sui Generis (nightclub) at basement level 02; subterranean 'cycle centre' including cycle parking/changing rooms/drying rooms/lockers; part plant accommodation and part Class A1 (retail) at basement level 01; part Class A1 (retail) accommodation and part Class B1 (office) at ground floor level; part Class A1 (retail), part plant accommodation and part Class B1 (office) at first floor level; flexible Class A1 (retail) or Class B1 (office) at second floor; Class B1 (office) accommodation at third to seventh floors; part plant accommodation and part Class B1 (office) accommodation at eighth floor; Class B1 (office) accommodation at ninth floor; the creation of terraces on levels 6 to 8 and a rooftop terrace area at level 9 (all for use in association with office accommodation); photovoltaic panels on level 9 and the roof; and other associated works including short stay cycle parking spaces in Adam and Eve Court'; NAMELY, alterations to nightclub entrance onto Adam and Eve Court, Adam & Eve Court Louvres, to the articulation of the sixth floor dormer windows, and to the Level 9 amenity terrace space; inclusion of facade lighting strategy; internal alterations; and pulling inwards of seventh floor in northern part of site.

Amendments to planning permission dated 05 March 2021 (RN: 20/08219/FULL) for 'Infill extensions at rear ground floor level, alterations to rear fenestration and new roof to rear extension, conversion of one former coal cellar in basement to habitable accommodation, internal alterations to rear extension, basement floors and associated works'. Namely, to alter design and material of rear patio doors.

Amendments to planning permission dated 10th May 2022 (RN: 22/01214/FULL) for Conversion of garage at ground floor level to habitable living accommodation and associated works including formation of windows to front elevation and replacement of rear windows at ground floor level NAMELY, amendments to the front elevation windows in terms of configuration and number of panels.

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.

Amendments to planning permission dated 15 October 2019 (RN:19/05236/FULL) for variation of Condition 1 of planning permission dated 28th January 2019 (RN 18/10309/FULL) for, 'Alterations including the removal of the existing seventh floor and plant and replacement with two storeys of office accommodation and consolidated rooftop plant, alterations to the existing windows, refurbishment of the existing entrance and associated external alterations'; NAMELY, introducing an additional stair and lift between lower ground and ground floors, creating a secondary entrance accessed from Grantham Place, cutting back the ground floor slab, and erecting balustrades and timber decking to external terraces on the 8th floors to facilitate their use as terraces, revisions to rooftop plant enclosure, installation of roof level generator flue, and alterations to the eastern party wall line. Namely, omission of a projecting nib wall at level 7 of the south facade.

Amendments to planning permission dated 20th July 2021 (RN:21/01934/FULL) for Erection of 2 storey extension to accommodate residential (Class C3) accommodation including terraces and green roofs. Associated works to include refurbishment of the existing exterior and landscaping in connection with the provision of additional parking spaces. Namely, the installation of glazed ceramic instead of solid stone spandrel panels under the windows of the existing flats and amendments to south elevation at 12th floor level