Amendments to planning permission dated 03 August 2023 (RN: 23/02362/FULL) for, 'Partial demolition; infill of rear lightwells; front extension at fifth floor level and introduction of a terrace; partial replacement of front elevation; refurbishment of existing building; installation of plant equipment; replacement windows; cycle parking; and associated external alterations; in connection with the use of the building as Offices (Class E)'; Namely, relocating mechanical and electrical equipment from the rear roof area to within the building and amendements to the façade design of the rear.

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 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 4th September 2020 (RN:20/03854/FULL) for Variation of Condition 1 of planning permission dated 23 April 2019 (RN 18/10640/FULL) for, 'Demolition and replacement of existing fourth floor, demolition of existing plant room, and erection of a single storey roof extension at fifth floor and rear extension at second to fifth floor levels in connection with existing office (Class B1) use, provision of new main office entrance, flexible use of part ground and basement floor for either retail or office use (Class A1/B1), creation of roof terrace at fifth floor level, provision of cycle parking spaces and facilities, roof plant and associated external alterations, including replacement windows. Namely,the removal of decorative window bars at fourth floor level on all elevations.

Amendments to planning permission 4th September 2020 (RN: 20/03854/FULL) Demolition and replacement of existing fourth floor, demolition of existing plant room, and erection of a single storey roof extension at fifth floor and rear extension at second to fifth floor levels in connection with existing office (Class B1) use, provision of new main office entrance, flexible use of part ground and basement floor for either retail or office use (Class A1/B1), creation of roof terrace at fifth floor level, provision of cycle parking spaces and facilities, roof plant and associated external alterations, including replacement windows. Namely, to introduce minor additional demolition in isolated locations and reduce the scope of demolition in other areas, and to replace a door at ground floor level on the south elevation with a louvre

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 08 February 2022 (RN: 21/01508/FULL) for the: Demolition of existing office building, including dismantling of the facades to Millbank, Dean Stanley Street and Smith Square; erection of new nine storey building using new and reclaimed materials for commercial business and service use (Class E); extension to Smith Square; excavation of new sub-basement; formation of external terraces at sixth, seventh and eighth floor levels; new main entrance to Dean Stanley Street with secondary and servicing entrances to Smith Square; installation of plant and associated works. NAMELY, to allow reduced extent of basement including layout changes; lower rebuilt facade to align to the windows, including changes to vents and glazing bars to windows; pergolas to terrace including alterations to planters; design amendments to roof, including minor height increase of 200mm to roof line, additional PVs and rooflights; and internal layout changes.

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 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.

Amendments to planning permission dated 16th March 2021 (RN 20/04933/FULL) for '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 remove reference to level 1 and basement level 2; and for the description of development to read as follows: '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 levels 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'.