Variation of condition 2 of planning permission ref: 2022/00949/FUL granted 13th July 2023 for the 'Erection of a part one/part two storey extension to the main building at roof level following removal of existing plant; plant enclosure at seventh floor level; three-storey tiered extension to the side and rear of the building at second, third and fourth floor levels; roof terraces at fifth and seventh floor levels; alterations to ground floor frontage and the first floor northern elevation; replacement windows; external alterations; provision of refuse storage at ground floor level and cycle storage at basement level, in connection with the provision of an additional 4,539sqm (GEA) of high grade Class E(g)(i) office space (16,301sqm (GEA) in total)' to allow amendments to the approved drawings to include: accommodate a larger substation within the existing building envelope on the ground floor; repositioning of doors and rooflights on the green roof of the second floor; repositioning of roof lights on the second, and fourth to seventh floor terraces/green roofs and roof level; brick detailing/infill added to part of east, north and south elevations; new louvre for basement smoke extract on south and north elevations; and reposition louvre on west elevation.

Variation of Conditions 2 (Time Limits), 4 (Drawings), 5 (Design Codes and Parameter Plans) and 10 (Gross External Floorspace) of planning permission 2018/02100/COMB granted 8 Feb 2019 (as amended by Non-Material Amendment 2020/01088/NMAT, 15 Jul 2020); 'Planning Application (part-detailed, part-outline) for demolition of existing buildings and structures (excl. No.2 Gasholder, 1856 Chief Engineer's Office, 1927 Research Laboratory, 1920 WW1 War Memorial and WW2 War Memorial) and redevelopment to provide a residential-led mixed use development comprising the erection of new buildings ranging from 1 to 37 storeys. (1) Detailed planning application for residential floorspace together with ancillary residential facilities (C3 Use); flexible commercial floorspace (A1, A2, A3, A4 Uses); community and leisure floorspace (D1/D2 Use); provision of a basement; new pedestrian and vehicular access; provision of amenity space, landscaping, car/cycle parking, refuse storage, energy centre, servicing area, and other associated infrastructure works. (2) Outline planning application (with all matters reserved) for residential floorspace and ancillary residential facilities (C3 Use); non-residential floorspace comprising flexible commercial retail (A1, A2, A3, A4 Uses), office (B1 Use), community (D1 Use) and leisure (D2 Use) floorspace; provision of new basement level; new pedestrian and vehicular access; and associated amenity space, publicly accessible open space, landscaping, car/cycle parking, refuse storage, energy centres, servicing area, and other associated infrastructure works.' Amendments comprise; (a) changes to the phasing programme/phasing order; (b) delivery of a temporary link road to allow for temporary vehicular access to the Site; (c) amendments to the maximum basement parameter; (d) amended service access/egress into the basement to be off Michael Road; and (e) amendments to the permitted shoulder height of Plots E1 and E2 (no change to overall height).