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 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 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 30 March 2022 (21/07642/FULL) for the variation of Conditions 1, 20, 21, 23, 24 of planning permission dated 16th March 2021 (RN 20/04933/FULL) for the demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works; amendments to car parking provision (retention of the public car park), alterations to the cycle parking provision and basement layouts and reduction in flexible commercial floorspace; NAMELY, Street scape enhancements (Front elevation - Carlton House Terrace and Facade realignment); Amenity enhancements (Inclusion of glazed doors to external terraces (west elevation), external terraces and Level 10 Roof Access) and Detailed design and technical amendments (Widening of the central 'core strip' and Balustrade Position at level 10).

Amendments to planning permission dated 01 September 2021 21/01606/FULL for Variation of Conditions 1 and 6 of planning permission dated 08 July 2020 RN 19/09027/FULL for the Partial demolition at 142-150 Wardour Street including removal of existing mansard roof to Film House and part of the rear and side facades, replacement of mansard roof, erection of new sixth floor and new sheer frontage at the eastern end of the site for office use Class B1 creation of restaurant units Class A3 at part ground and part basement levels fronting St Annes Court, Wardour Street and Sheraton Street, shopfront alterations, creation of a terrace at sixth floor level for office use, installation of a roof level plant enclosure and associated external works Site includes 138 Wardour Street, 142-150 Wardour Street and 20 St Annes Court); NAMELY, to enable the introduction of five black painted support pattress plates to the external façade on St Annes elevation, replacement of large vertical glazing with shallower glazing on the roof windows at Level 2 of St Annes Court elevation, alterations to the dry riser on Sheraton Street, alterations to the pavilion parapet at Level 7; and retention of the existing glazed horizontal blue banding at St Anne's Court.

Amendments to planning permission dated 1st September 2021 (RN 21/01606/FULL) for the variation of Conditions 1 and 6 of planning permission dated 08 July 2020 (RN: 19/09027/FULL) for the Partial demolition at 142-150 Wardour Street including removal of existing mansard roof to Film House and part of the rear and side facades; replacement of mansard roof, erection of new sixth floor and new sheer frontage at the eastern end of the site for office use (Class B1); creation of restaurant units (Class A3) at part ground and part basement levels fronting St Anne's Court, Wardour Street and Sheraton Street; shopfront alterations; creation of a terrace at sixth floor level for office use; installation of a roof level plant enclosure and associated external works (Site includes 138 Wardour Street, 142-150 Wardour Street and 20 St Anne's Court); NAMELY, to enable the installation of a roller shutter door and amendments to the doors on Sheraton Street; amendments to the acoustic louvres at St Annes Court; alteration to the window distribution on the North East Elevation; introduction of a hinged glazed pavilion escape door; omission of a window at Level 5 and new window on the rear elevation of St Annes Court; infill of the windows at Sheraton core; omission of the smaller windows on the St Annes Court elevation; omission of the integrated access door, the narrow steel platform and the rope access rail at the top of the St Annes Court core; amendments to the retail entrance and facade at St Annes Court; amendments to courtyard parapet coping; and new courtyard window on the Lower Ground Floor of St Annes Courtyard.

Amendments to planning permission dated 13 August 2020 (RN: 20/01775/FULL) for insertion of three windows on front elevation and one on side elevation in association with use of basement as home office for No. 137 Inverness Terrace, NAMELY, to amend the wording of condition 4.

Amendments to planning permission dated 7 August 2020 (RN: 19/07063/FULL) for Use of the building (lower ground and ground of nos. 78 and 80 as a restaurant (Class A3), use of lower ground, ground and first floors of no. 82 as a public house (Class A4) and use of upper floors as office (Class B1), together with extension to the rear of the existing buildings and the installation of a lift, provision of a roof terrace, installation of plant equipment, facade treatments, installation of a lift overrun and associated works (site includes 78-82 Duke Street). (Part of land use package with 18 Balderton Street and 64-66 Duke Street), NAMELY to allow increase in width to the service door from George Yard; introduction of ventilation louvres to the Duke Street and Brown Hart Gardens shopfronts; replacement of approved door to roof terrace with sash window at third floor level; marginal increase in height of the approved lift overrun, in addition to a green roof; reconfiguration of approved mechanical plant at fourth floor level and introduction of a green roof; confirmation of size of mechanical plant at third floor level plant area; rationalisation of main roof plant and confirmation of size of mechanical plant; increase in roof height of 80 and 82 Duke Street; increase in height of kitchen extract duct in roof area to 80 Duke Street.

Amendments to planning permission dated 19 March 2018 (17/09368/FULL) for Variation of Conditions 1, 13, 16, 7(a), 9, 38 & removal of Condition 40 of planning permission dated 10 July 2017 (16/09548/FULL) for; Alterations to the existing building including creation of new entrances; alterations to bottle balustrades & parapets; extensions to create three additional storeys; two additional basement storeys; partial demolition & reconstruction of the central wing; demolition, reconstruction & extensions to the Triangular Courtyard facades; external alterations to Quadrangle facades; creation of external terraces at fourth, fifth, sixth & seventh floor levels; addition of entrance canopies; alterations to security walls & bollards & the removal & replacement of street trees; all in connection with change of use from offices (Class B1) to a hotel (Class C1) comprising up to 125 hotel bedrooms/suites with flexible hotel/retail/restaurant/bar use at part ground floor (Class C1/A1/A3/A4), flexible hotel/restaurant use at part lower ground, part ground & part second floors (Class C1/A3); flexible hotel/bar use at part fifth & part sixth floors (Class C1/A4); flexible retail, leisure, restaurant or bar use at part ground floor (Class A1/D2/C1/A3/A4), leisure/spa facilities within the basement levels & part lower ground floor (Class D2/C1) ancillary ballroom, event space & meeting rooms, food & beverage facilities, back of house facilities & associated car & cycle parking & servicing facilities; creation of up to 88 residential dwellings (Class C3) with ancillary communal amenities, & associated car parking, cycle parking & servicing facilities; namely, amendments to the Quadrangle courtyard paving, amendments to internal layout of two residential units; installation of additional windows to fifth floor; installation of external grilles to the east and north elevations.

Amendments to planning permission dated 24 February 2020 (RN: 19/00529/FULL) for redevelopment of Pegasus House and Nuffield House including demolition behind a retained facade (west, south and east) of Nuffield House and replacement building comprising 2 level basement, ground, mezzanine and first to seventh floor and demolition and replacement of Pegasus House comprising 2 level basement, ground, mezzanine and first to fifth floors; amalgamation of the two buildings to provide new office (Class B1), retail (Class A1), restaurant (Class A3), flexible office / retail (Class B1 / A1), and residential accommodation (Class C3); and other associated works, NAMELY, to amend the shopfronts and ground floor level entrances, rearrangement of reception spaces, Sackville historic façade review and alignment, UKPN ventilation and access update, lift overrun and Nuffield house roof massing, rear façade updates, roof plant enclosure and proposed chimney, sub-basement reduction and retained facade timber window replacement