Refurbishment and extension of the building to create additional floorspace with roof terrace for Class E use; erection of a pavilion structure at roof level; installation of new terrace areas with associated landscaping and balustrades; extension of existing plant enclosure; installation of plant equipment and kitchen extract duct; alterations to facade, including works to clock face on Fleet Street, and at ground floor level; alterations and extension to existing windows and vitrines; internal alterations to the ground floor lobby and interiors, and internal works to sixth floor heritage rooms; reinstatement of carriageway connections; provision of new ancillary facilities and other associated works.

Internal and external alterations to facilitate change of use of building from office to flexible Class E and/or C2 Residential Institution (Rough Sleeper Assessment Centre), including alterations and refurbishment of listed building (including partial demolition / replacement of existing roof structures and rooflights with new); installation of new external plant and changes to landscaping including creation of covered seating area; installation of new bike stands; and access gate.

(i) Infill extension at third, fourth, fifth floor and roof level and infill of western lightwell at lower ground floor level to provide additional office (Class B1) floorspace; (ii) creation of terrace area at third floor level; (iii) infill of the rear lightwell and part demolition and reconfiguration of the basement levels storage vaults for ancillary facilities; (iv) reconstruction of the main entrance steps ; (v) installation of a platform lift and associated alterations to the forecourt including soft landscaping; (vi) the reconfiguration of internal layouts of building from lower ground to fifth floor levels, associated external refurbishment works and reconfiguration and installation of plant equipment.