Horizontal extension at 8th and 9th floor levels and three-storey vertical extension plus plant enclosure to create Class E floorspace; alterations and refurbishment to existing windows and facades; structural alterations and repositioning of cores; creation of new and refurbished entrances on Gresham Street and at the junction of Aldermanbury and Love Lane; creation of inset balconies; creation of roof terraces at levels 8, 10 and 12; removal and replacement of plant and installation of PV; public realm improvements for new hard and soft landscaping; removal of ground floor mezzanine level facilitating the provision of retail frontages and retail units to Aldermanbury; provision of cycle storage and other works incidental to the development.

Demolition of the existing building at 55 Basinghall Street (known as City Place House) and the erection of a thirteen storey Class E building for commercial, business and service use with Class E retail use at ground floor level with works to include partial removal, re-alignment and reinstatement of existing walkways; partial demolition, reconfiguration and refurbishment of the basement, lower ground, ground and mezzanine floors of 40 Basinghall Street (known as City Tower) for Class E commercial, business and service and retail use works to include the provision of a new lift and staircase between street and Highwalk level and reconfiguration and re landscaping of the existing first floor terrace area; formation of a new pedestrian route between London Wall and Basinghall Street; hard and soft landscaping works including alterations to and within the public highway; other works incidental to the proposed development.