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.

Amendments to planning permission dated 23 May 2019 (RN:17/07726/FULL) for: Extension of existing office and retail building and associated works to provide additional office floorspace at roof level, use of part of the ground floor for retail use within Classes A1, A3 or A4, part demolition and alterations to the stone facade fronting Buckingham Palace Road and the part removal of the glazed building canopy, alterations to the public realm, creation of high level terraces, alterations to bus facility on Bulleid Way and roof top plant along with highway, landscaping and other works. Namely, the introduction of five louvres at 6th floor level coated in specialist weathering finish to match weathering steel appearance of permitted metalwork.

Amendments to permission dated 27 August 2019 (RN: 19/03358/FULL) for 'Part demolition, alteration and extension to provide a building of ground plus four upper storeys to accommodate cafe /restaurant (Class A3) and office (Class B1) floorspace, with the provision of roof terraces, plant, and associated physical works and landscaping.' Namely, addition of a louvre to the south elevation along 27 Eccleston Place.

Variation of Conditions 31 and 32 of planning permission dated 30 March 2022 (21/07642/FULL) for the demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works; and amendments to car parking provision (retention of the public car park), alterations to the cycle parking provision and basement layouts and reduction in flexible commercial floorspace; namely, to amend the wording of Conditions 31 and 32 to require the landscaping of the first floor terrace to be carried out in accordance with the submitted details.

Amendments to planning permission dated 01 October 2021 (RN: 20/06914/FULL) for the: Variation of conditions 1, 31 and 35 of planning permission dated 4 March 2020 (RN 19/06767/FULL) (amended by 20/05397/NMA) which permitted the following development : Demolition of the existing buildings at 19-35 Baker Street, 88-110 George Street, 69-71 Blandford Street and redevelopment to create a mixed use scheme providing commercial uses and up to 51 residential units within a new ground plus nine storey building (and an enclosed plant area) on Baker Street; a new stepped ground plus four to ground plus six storey building on George Street; refurbishment, extension and the change of use of the first floor from office to residential at 30 Gloucester Place; creation of a single storey basement level linking the Baker Street and George Street buildings to provide car and cycle parking, refuse and servicing; creation of a new central, publicly accessible courtyard; removal of 5 trees and replacement trees across the site, a new publicly accessible route at ground level connecting Baker Street and Gloucester Place; associated plant, landscaping, replacement pavements in part and other associated works. NAMELY, to allow alterations to facade of 19- 35 Baker Street- Baker Street Office Building (Building C) at ground, first, fifth, sixth, seventh, eighth and roof level; amendments to 88-110 George Street, including 112 George Street (Building D) at lower ground floor, ground floor, first, fifth, sixth, seventh, eight and roof level; and changes to condition 42 to read : "You must apply to us for approval of a detailed external lighting strategy which includes details of all light fittings and lighting levels. You must not start any work on this part of the development until we have approved what you have sent us. You must then install all lighting in accordance with the approved external lighting strategy".

Refurbishment and reconfiguration of the existing Bush House South-West Wing including an extension at roof level, rear extension; minor demolition works associated with internal and external alterations to provide class E at ground floor and dual alternative use for either Class E (office) or Class F1 (educational) at basement, part ground floor and first to tenth floor, outdoor terraces, hard and soft landscaping and associated works.

Amendments to planning permission dated 23rd May 2019 (RN 17/07726/FULL) for the extension of existing office and retail building and associated works to provide additional office floorspace at roof level, use of part of the ground floor for retail use within Classes A1, A3 or A4, part demolition and alterations to the stone facade fronting Buckingham Palace Road and the part removal of the glazed building canopy, alterations to the public realm, creation of high level terraces, alterations to bus facility on Bulleid Way and roof top plant along with highway, landscaping and other works. NAMELY, alterations to rooftop plant and equipment to reflect the progression of detailed design of the mechanical and electrical services for the building and installation of roof top guard rail.

Amendments to planning permission dated 27 August 2019 (RN 19/03358/FULL) for part demolition, alteration and extension to provide a building of ground plus four upper storeys to accommodate cafe /restaurant (Class A3) and office (Class B1) floorspace, with the provision of roof terraces, plant, and associated physical works and landscaping; NAMELY changes to the north and south elevations of the building including the addition of louvres and ventilation units and associated alterations to brickwork.

Amendments to planning permission dated 23 May 2019 (RN: 17/07726/FULL), namely to amend the description of development to read as follows: Extension of existing office and retail building and associated works to provide additional office floorspace at roof level, use of part of the ground floor for commercial and Sui Generis use, part demolition and alterations to the stone facade fronting Buckingham Palace Road and the part removal of the glazed building canopy, alterations to the public realm, creation of high level terraces, alterations to bus facility on Bulleid Way and roof top plant along with highway, landscaping and other works.

Amendments to planning permission dated 07 September 2021 (RN: 17/07726/FULL) for the: Extension of existing office and retail building and associated works to provide additional office floorspace at roof level, use of part of the ground floor for retail use within Classes A1, A3 or A4, part demolition and alterations to the stone facade fronting Buckingham Palace Road and the part removal of the glazed building canopy, alterations to the public realm, creation of high level terraces, alterations to bus facility on Bulleid Way and roof top plant along with highway, landscaping and other works. Namely, amend the wording of Condition 15 to read: 'With the exception of Bullied Way no goods, including fuel, delivered or collected by vehicles arriving or departing from the building shall be accepted or dispatched if unloaded or loaded on the public highway and you may accept or despatch such goods only if they are unloaded or loaded within the curtilage of the building.'