Change of use of building from Use Class B8 to provide ground and first floor flexible commercial floorspace as office, cafe or restaurant use (Class E) and second to fifth floor as office use (Class E); the erection of a five storey rear external core; raising of existing roof profile; construction of east and west dormer windows; change of southern hip roof slope to gable end; installation of a roof level plant screen to the new gable end; the insertion of new window apertures to the existing Loman Street façade; refurbishment or replacement of east and west elevation windows; replacement of loading doors to east and west elevations; partial lowering of courtyard area with relaying of granite setts; amendments to east elevation ground floor doorway; and associated works including changes to boundary treatment.

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.