Amendments to planning permission dated 22nd September 2021 (RN:20/07605/FULL) for Variation of condition 1 of planning permission dated 28 February 2020 (RN: 19/00529) for the: 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, at roof level to retain the existing boundary wall between the site and the neighbouring property at 36 Sackville Street, to adapt the head of the secondary staircase and the relocation of the generator flue to the centre of the staircase, and to install a lead and stone cap infill where a modest gap will be created between the site and 36 Sackville Street.

Variation of condition 1 of planning permission dated 18th December 2020 (RN:20/02660/FULL) for the 'Partial demolition including the front and rear facades, sixth floor and structures at seventh floor, replacement frontages, rear extension, rebuilding of the sixth floor and a seventh floor extension for office use (Class B1) creation of a restaurant cafe unit (Class A3) at part ground floor, flexible office (Class B1) or nonresidential institution use (Class D1) at part ground floor, assembly & leisure unit (Class D2) at part ground and lower ground floor levels, landscaping and a new boundary wall to the rear, external terraces, rooftop plant enclosure, rooftop PV panels and associated external works. NAMELY, an increase in the amount of demolition work proposed, adjustments to the floorplates and a further 1.4 metre extension to the northern element of the rear façade at levels one to six, alterations at ground floor level, at 7th floor to the roof terrace, and at 8th floor roof level in connection with increased external amenity space and other changes.

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.