Amendments to planning permission dated 30 October 2019 (RN:19/02958/FULL) for Variation of Condition 1 of planning permission dated 03 July 2014 (RN: 13/00369/FULL) for: 'Construction of an office building (Class B1) above the Bond Street West Crossrail station comprising six upper floors and use of part basement areas of Crossrail station as Class B1 to provide plant and storage areas; ground floor office entrance and service bay associated with the Over Site Development; works to the Crossrail ventilation shaft and other works incidental to the proposal'; NAMELY; to enable amendments to the overall design and materials, including alterations to the louvred Crossrail facades, the trellis vertical fins and terrace doors on Weighhouse Street, amendments to ground floor entrance portico, entablature stone joints, introduction of a copper gutter to bottom of mansard roof, the raising of roof parapet levels, and alterations to Level 1 terrace access doors and raised platforms, Level 3 terrace doors and Level 6 doors.

Amendments to planning permission dated 21 May 2019 (RN: 19/00087/FULL) for variation of Conditions 1 and 31 of planning permission dated 10 December 2018 (RN: 18/02900) for the Demolition of existing buildings and demolition behind retained facades of 19 and 20 Denman Street facades; realignment of 4-6 Glasshouse Street, 1 Sherwood Street, 8 Glasshouse Street and 11-17 Shaftesbury Avenue facades and retention of Piccadilly Lights (adverts). Construction of a replacement six storey building (plus 6th floor mezzanine office) with three basement levels to create a mixed use scheme comprising office (Class B1) at part ground to 6th storey mezzanine; retail (Classes A1 retail and A3 restaurant) at part basement 1, part ground and part first floor; up to seven residential units (Class C3) at part first floor, part second floor and part third floor; and plant and cycle storage within the basement. Associated works including mechanical plant within roof enclosure and loading facilities to allow use of 6th floor mezzanine (Level 7) as restaurant (Class A3), roof realignment at Level 7 and new plant enclosure at Level 8, flexible use of approved retailing (Class A1) for retail and restaurant purposes (Classes A1 and A3), removal of chimneys on 1-17 Shaftesbury Avenue facade, minor adaptations to accommodate the Piccadilly Lights planning permission and advertisement, and adaptation to accommodate LBC consent (17/07490/LBC); namely, to revise the energy strategy and to enable development behind reconstructed facades to 19 & 20 Denman Street; NAMELY, alterations to roof treatment of No.19 Denman Street to introduce plant machinery for emergency fire purposes.

Amendments to planning permission dated 24 May 2023 (RN: 23/01294/FULL) for variation of condition 11 of planning permission dated 27 July 2021 (RN:21/03134/FULL) (which varied permission dated 13 February 2019 (ref. 18/07715/FULL) for 'Removal of existing third and fourth floor levels and roof top structures and partial demolition of Shelton Street elevation (third floor only); construction of new floorspace and internal reconfiguration resulting in a part five and part six storey building with roof top plant enclosure, to provide flexible commercial use including retail (Class A1), financial and professional services (class A2) restaurant (class A3), office (class B1) and /or assembly and leisure (class D2) at basement and ground floor level and office use (Class B1) at first to fifth floor levels; refurbishment of external elevations; roof terraces, plant, cycle parking and facilities for access and servicing'.NAMELY, the introduction of 2 additional air handling units to the rooftop plant layout.

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 27th July 2021 (RN:21/03134/FULL) which varied conditions 1 and 11 of planning permission dated 13 February 2019 (RN: 18/07715/FULL) for the removal of existing third and fourth floor levels and roof top structures and partial demolition of Shelton Street elevation (third floor only); construction of new floorspace and internal reconfiguration resulting in a part five and part six storey building with roof top plant enclosure, to provide flexible commercial use including retail (Class A1), financial and professional services (class A2) restaurant (class A3), office (class B1) and /or assembly and leisure (class D2) at basement and ground floor level and office use (Class B1) at first to fifth floor levels; refurbishment of external elevations; roof terraces, plant, cycle parking and facilities for access and servicing. Namely, introduction of two louvre panels to Dryden Street elevation; replacement of concertina door with roller shutter to loading bay on Arne Street; adjustment to mansard roof profile on Drury Lane elevation; introduction of Automatic Opening Vent above internal staircase at roof level; introduction of low level plant screen and service riser weathering dogboxes around Stair 01 roof edge; introduction of silicon joint mullion to glazing to entrance on Arne Street elevation; introduction of mullions to fire centre rated windows on Shelton Street elevation; adjustments to external light fittings to façade at ground floor level; and amendments to lighting to external terraces.

Amendments to planning permission 4th January 2019 (RN: 19/00087/FULL) Variation of Conditions 1 and 31 of planning permission dated 10 December 2018 (RN: 18/02900) for the Demolition of existing buildings and demolition behind retained facades of 19 and 20 Denman Street facades realignment of 4-6 Glasshouse Street, 1 Sherwood Street, 8 Glasshouse Street and 11-17 Shaftesbury Avenue facades and retention of Piccadilly Lights (adverts). Construction of a replacement six storey building (plus 6th floor mezzanine office) with three basement levels to create a mixed-use scheme comprising office (Class B1) at part ground to 6th storey mezzanine, retail (Classes A1 retail and A3 restaurant) at part basement 1, part ground and part first floor up to seven residential units (Class C3) at part first floor, part second floor and part third floor and plant and cycle storage within the basement. Associated works including mechanical plant within roof enclosure and loading facilities to allow use of 6th floor mezzanine (Level 7) as restaurant (Class A3), roof realignment at Level 7 and new plant enclosure at Level 8, flexible use of approved retailing (Class A1) for retail and restaurant purposes (Classes A1 and A3), removal of chimneys on 1-17 Shaftesbury Avenue facade, minor adaptations to accommodate the Piccadilly Lights planning permission and advertisement, and adaptation to accommodate LBC consent (17/07490/LBC). Namely; to revise the energy strategy and to enable development behind reconstructed facades to 19 & 20 Denman Street. NAMELY; to amend the description of development to replace reference to Classes A1 retail and A3 restaurant with Class E (g)(i) office, Class E (a) retail and Class E (b) restaurant; and to amend the wording of Conditions 4 and 33 to enable the public art to be relocated to 17-19 Denman Street and to clarify the number of retail units.

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 27 July 2021 (RN:21/03134/FULL) which varied conditions 1 and 11 of planning permission dated 13 February 2019 (RN: 18/07715/FULL) for the removal of existing third and fourth floor levels and roof top structures and partial demolition of Shelton Street elevation (third floor only); construction of new floorspace and internal reconfiguration resulting in a part five and part six storey building with roof top plant enclosure, to provide flexible commercial use including retail (Class A1), financial and professional services (class A2) restaurant (class A3), office (class B1) and /or assembly and leisure (class D2) at basement and ground floor level and office use (Class B1) at first to fifth floor levels; refurbishment of external elevations; roof terraces, plant, cycle parking and facilities for access and servicing. Namely, to make amendments to the approved atrium glass roof including additional openings and modification to the frame and position; to the depth of the 'up and over' windows at roof level in Zone D; relocation of wall to external terrace; minor re-orientation to straighten the plant screen at roof level; two roof access hatches reduced in size; and small section of ductwork introduced at roof level.

Amendments to planning permission dated 21 May 2019 (Ref: 19/00087/FULL) for, 'Demolition of existing buildings and demolition behind retained facades of 19 and 20 Denman Street facades; realignment of 4-6 Glasshouse Street, 1 Sherwood Street, 8 Glasshouse Street and 11-17 Shaftesbury Avenue facades and retention of Piccadilly Lights (adverts). Construction of a replacement six storey building (plus 6th floor mezzanine office) with three basement levels to create a mixed use scheme comprising office (Class B1) at part ground to 6th storey mezzanine; retail (Classes A1 retail and A3 restaurant) at part basement 1, part ground and part first floor; up to seven residential units (Class C3) at part first floor, part second floor and part third floor; and plant and cycle storage within the basement. Associated works including mechanical plant within roof enclosure and loading facilities to allow use of 6th floor mezzanine (Level 7) as restaurant (Class A3), roof realignment at Level 7 and new plant enclosure at Level 8, flexible use of approved retailing (Class A1) for retail and restaurant purposes (Classes A1 and A3), removal of chimneys on 1-17 Shaftesbury Avenue facade, minor adaptations to accommodate the Piccadilly Lights planning permission and advertisement, and adaptation to accommodate LBC consent (17/07490/LBC)'; NAMELY; to reconfigure the upstand to 19 Denman Street by raising it to introduce a new decorative iron cast grill to allow for natural ventilation.

Amendments to 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 1 for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); basement level 2 for 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 namely to amend the wording of Condition 3 to allow the demolition phase to be split into phases.