Alterations to Piccadilly Building including erection of 3-storey extension to east and south and addition of new mansard roof at third floor to provide additional church office and meeting room accommodation; new plant rooms at basement level, plant at new third floor level, new service tower within Piccadilly Building and demolition of vestry link building to create new entry to Church yard from Church Place; relocation of rectory accommodation from Piccadilly Building into Jermyn Street Building and erection of new second floor mansard to Jermyn Street Building to support rectory use; relocation of existing cafe accommodation from ground floor of Jermyn Street Building into ground and part basement floor of Piccadilly Building; alterations to St James's church including repair of spire, installation of plant within former bell tower, excavation beneath the south porch of the church; and reinstatement of south entrance door; alteration of Jermyn Street Building to provide new route between Jermyn Street and the churchyard, new railings to Jermyn Street, and re-landscaping of the North and Green Churchyards, and erection of new single storey garden pavilion in Green Churchyard.

Demolition of existing building, extension of existing basement and erection of a new building of ground, mezzanine, plus up to fourteen-storeys with terraces at tenth to fourteenth floor level, comprising office accommodation; flexible retail, restaurant, bar, community and leisure uses; internal pedestrian route with 'Village Square', plant at main roof level; servicing, cycle parking and highways, landscaping and associated works.

Amendments to planning permission dated 20th December 2019 (RN 19/07003/FULL) for the replacement of front facade, remodelling of seventh floor with plant enclosure above, removal of external escape stair and rear extension on first to seventh floors for Class B1 office use. Creation of ornate terrace at rear first and second floor level (no general access) and with creation of balconies/terraces at 5th to 8th floor level to the rear and 6th to 7th levels on the Hanover Street frontages for use in association with the office (Class B1) accommodation; erection of a fire escape platform at rear third floor level to serve neighbouring buildings, use of part basement and part ground floor as restaurant (Class A3). NAMELY, to simplification of Zinc Standing Seam Cladding pattern as part of the design development; Reduction of UKPN door height (decorative fins continue full height) to accord with technical requirements; Restaurant entrance door widened to comply with fire strategy and moved to align with windows above; Indent introduced at side of rear facade; addition of external ductwork in recessed indent. This is due to technical ME requirements and the reduction in the building footprint; Extents of glazing screen on ground floor rear facade reduced in accordance with the requirements under Building Regulations Part B; Extents of green wall on 8th floor terrace revised as part of refining the hard and soft landscaping strategy; Addition of 10 secure cycle parking spaces for the restaurant as required by Condition 11; Addition of external cast iron hoppers and drain pipes on rear facade to facilitate drainage of roof areas; Form of rooflights on First Floor simplified to better fit with architectural style of proposal; and details of the junction between the proposed new front facade and neighbouring properties refined.