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.

Alteration and extension of the existing office building (Class Eg(i)) incorporating a local community/cultural space (Class Eg(i)/F2) at ground floor; to include additional floorspace through upward and infill extensions (+2485sqm GIA uplift); altered and additional entrances; creation of office amenity terraces and plant enclosures; facade alterations including urban greening; new landscaping; and associated works.

Conversion of the building to a hotel with ancillary uses, including internal and external refurbishment, erection of a glazed roof over the courtyard, lowering of part of courtyard to basement level 2, conversion of basements, erection of a two storey extension, provision of cycle parking, refuse and recycling storage, replacement UKPN substation, landscaping and all associated works.

(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.