Amendments to planning permission dated 31 August 2022 (RN: 22/02609/FULL) (which varied planning permission dated 07 December 2020 (RN: 20/03048/FULL (as amended by 22/01515/NMA)) for 'Demolition of 55-58 Pall Mall and 1-4 Crown Passage, and erection of a new building with a part retained facade comprising basement, ground and six upper floors plus mezzanine with a new raised height mansard roof level, to provide office (Class B1) use at basement, part ground to seventh floor level, and provision of two flexible retail/ restaurant (Class A1/ A3) units at part ground level. Creation of terraces at 5th, 6th floor level and 6th floor mezzanine level, installation of plant, and provision of cycle parking spaces and facilities'. Namely, to allow amendments including, Internal revisions to layout and detail of door openings throughout ground to fourth floors; Lobby area added to secondary stairwell at first to fourth floor levels; Revised arrangement of openable doors at fifth and sixth floor level, onto terrace area; Tenant plant enclosure line adjusted to allow for interfacing with lift overrun; Door opening onto Crown Passage recessed to allow doors to open outwards within site boundary; Wall linings altered to reflect amendments to party wall information; Basement layout altered and associated revision of cycle parking layout, reducing the number of cycle parking spaces from 100 to 99; Maintenance access door added within basement; Revisions to fenestration detailing on southeast elevation; Revised materials to southwest and northeast elevations; Relocation of smoke extract system on roof; and Inclusion of door within plant screen for cleaning and maintenance purposes.

Amendments to planning permission dated 16 April 2021 (RN: 20/08318/FULL) which itself varied condition 1 of planning permission dated 18 December 2020 (RN: 20/02660/FULL) for partial demolition including the front & 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 / café unit (Class A3) at part ground floor; flexible office (Class B1) or non-residential 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, relocation of Emergency Generator Flue, to terminate on first floor extension roof instead of level 8.

Non-material amendment to planning permission (ref: 2021/01039/VAR) dated 3 February 2022, for the development: 'Variation of Condition 2 (approved drawings) to allow minor material amendments to planning permission (ref: 2020/00646/FUL) dated 24 November 2020, for "The redevelopment of the site comprising the demolition and removal of the existing timber shed buildings, the retention of the existing office and former recording studio buildings and the development of part-basement, part-1, part-2, part-3 storey buildings, refurbishment of the office building and development of a first floor extension to the recording studio; to be used as office (Use Class B1), associated access works and cycle parking spaces'. In conjunction with minor external and internal alterations to the approved buildings, the amendments include: installation of new windows on south elevation and the reconfiguration of the plant enclosure at roof level (Block A), increase in parapet heights (infill elements) and reconfiguration to provide a brick clad boundary wall with the Cambridge Grove properties (Block B); and alterations to provide an enclosed bike store fronting Cambridge Grove (Building C).". Amendments sought relate to changes to the landscaping scheme (condition 27) by way of the addition of trees and landscaping.

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.