Variation of Condition 1 and 11 of planning permission dated 20 October 2022 (RN: 22/04903/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; and 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, design modifications to the Carlton House Terrace elevation including an additional entrance, pavement lights, replacement railings and re-alignment of a section of the south facade; alterations to the lower ground floor glazing on the west elevation, a new stairwell and platform lift to roof terrace (level 10), widening of central core to accommodate emergency access and fire-fighting lifts, realignment of level 10 balustrade and alterations to south-west lift overrun and amendment to the wording of Condition 11 to include the word 'pergolas'.

Variation of Conditions 31 and 32 of planning permission dated 30 March 2022 (21/07642/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; and 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, to amend the wording of Conditions 31 and 32 to require the landscaping of the first floor terrace to be carried out in accordance with the submitted details.

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).

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; namely, 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.

Variation of Conditions 1 and 10 and removal of Conditions 8 and 9 of planning permission dated 26th September 2016 (RN: 15/05936/FULL) for the: demolition of existing office building and redevelopment to provide a replacement building over two basement levels, lower ground, ground and eight upper levels. Use of the building for residential purposes (Class C3) providing a maximum of 23 flats including 14 car parking spaces at basement level, accessed from Buckingham Gate. Namely, to extend the internal usable space at basement level 2 and reconfiguration of basement 1 without increasing the approved extent of foundations, internal alterations, amendments to window layouts at levels 7 and 8; and to vary the wording of Condition 10 to approve updated Sustainability and Energy Strategy and remove Conditions 8 (uninterrupted demolition and construction) and 9 (installation of PV panels on roof).

Amendments to planning permission dated 8 October 2019 (RN: 19/06149) for: External alterations to the St James's Square and Pall Mall facades, including alterations to windows and entrances, new entrance from Pall Mall and cleaning of brickwork; erection of roof extension to incorporate lift overrun, roof access, concealed open plant area and new plant; and dual/alternative use of part of the ground and basement levels as either office (Class B1) or retail (Class A1); and associated works. Namely, amendments to entrances and doors on the St James's Square and Pall Mall elevations; changes to the lower ground floor layout; alteration to the level 5 facade (to Pall Mall) moving 50mm south towards Pall Mall; alteration to the construction of the mansard roof moving 240mm south toward Pall Mall; the introduction of a short boundary wall to St James's Square; changes to the design of the railings; amendments to the quantum and height of the stall risers, amendments to the stone bands on the facade; and variation to the wording of conditions 12 and 13 requiring the works to be carried out in accordance with the detailed drawings of the new windows, doors and eastern party wall upstand.