Demolition of existing lift motor room and chimney stack at main roof level. Erection of an extension at fifth floor level to facilitate the installation of a replacement and extended lift and erection of an extension within rear lightwell at basement and ground floor level to provide additional office accommodation (Class E). Installation of plant within an enclosure at main roof level. Installation of a single window in place of two windows at rear ground floor level. Infill of roof light at main roof level. Removal of rear fire escape stairs.

Variation of Condition 1 (approved drawings) and removal of condition 8 (supplementary acoustic report) of planning permission dated 15 July 2021 (RN: 21/03500/FULL) for, 'Alterations including partial infilling of rear courtyard on basement and ground floors, rear extensions on first to fifth floors and at sixth floor roof extension with plant enclosure, roof terrace and green roof above all to provide additional office accommodation (Class B1); new balconies/terraces at front fourth, fifth and seventh floor levels and rear first, sixth and seventh floor levels. Flexible use of part basement and part ground floor for either retail / office/ gym use (Class A1/ B1/ D2), provision of cycle parking and associated external alterations'; Namely, adjustment and addition of acoustic enclosures and screens associated with external plant on the lower ground floor, first floor and level eight; façade alterations to the refuse store area on Upper John Street; updates to roof terrace design on level one; new external numeral signage to main entrance and to supply a supplementary acoustic report. (Application under Section 73 of the Act).

Amendments to planning permission dated 12 November 2018 (RN:18/08323/FULL) for Erection of rear extension at first to fourth floor levels and single storey roof extension at 5th floor level, including roof top terrace to provide additional office floorspace (Class B1) and installation of air conditioning units at roof level. NAMELY; to enable internal alterations including new steel columns; relocataion of shower accommodation to the basement; lobby and plant rooms added to the basement; sparattion of the stairs to the basement area; alterations to internal office layout; omission of glass rooflight set within roof terrace; addition of movable planter in front of the plant enclosure; location of 2x low level doors within plant enclosure updated.

Amendments to planning permission dated 12th November 2018 (RN: 18/08323/FULL) for erection of rear extension at first to fourth floor levels and single storey roof extension at 5th floor level, including roof top terrace to provide additional office floorspace (Class B1) and installation of air conditioning units at roof level NAMELY, internally positioned steel columns added/ shower accommodation has been moved to the basement/ lobby and plant rooms added to the basement/ the stairs to the basement area have been separated/ internal office layout alterations/ glass rooflight set within roof terrace to the floor below has been removed/ consented automated opening box rooflight updated/ a movable planter added in front of the plant enclosure/ Location of 2x low level doors within plant enclosure updated.

Confirmation that the planning permission dated 17 February 2020 (RN 19/04081/FULL) for the "Refurbishment, alteration and extension of existing building, including new seventh floor and rear lightwell infill to provide additional office accommodation, change of use of part ground floor to flexible Class A1, A3 and/or D2 and/or B1 floor space and other associated works" (as amended by non-material amendments dated 24 October 2022 with reference 22/06967/NMA), has been implemented before 17 February 2023.

Amendments to planning permission dated 23rd January 2023 (RN: 22/05428/FULL) for two-storey extension including roof-level plant along the Bressenden Place façade to provide a new office entrance pavilion (Class E), the provision of Class E office / retail accommodation, remodelling of the crown of Portland House and creation of a setback rooftop extension to provide office amenity (Class E) and an outdoor terrace, reconfiguration of the second floor plant accommodation fronting Cardinal Place, relocation of the zephyr on Bressenden Place, provision of cycle parking, public realm and associated works including window replacement and the application of a new façade treatment, namely to amend the wording of Condition 3 (Code of Construction Practice) to enable early works to be carried out in accordance with the Appendix A dated 22/11/22 signed by the Environment Inspectorate and prior to the discharge of Condition 3.

Alteration and extension of existing buildings including removal of one single storey extensions and one part single and part two storey extension, erection of infill extensions at first to third floor levels, a replacement part single storey and part three storey side extension adjoining Mount Street Garden and a replacement single store extension fronting onto South Street, use of part lower ground and part ground floor levels as an art gallery with ancillary storage and office accommodation (Class E), use of part basement/lower ground , part ground floor and first to fourth floor levels to aparthotel to provide 10 visitor accommodation units (Class C1) with ancillary facilities at ground and lower ground floor level, including communal lounge/library at ground floor level, use of ground to third floor of no.35A South Street, first and second floors of no.35 South Street and first to fourth floor of no. 17 South Audley Street as six residential units (Class C3), creation of terraces at first floor level within a central greened courtyard, installation of plant and associated external alterations. [Site includes 22 South Audley Street, 35 South Street and 35A South Street]

Erection single storey extension within rear lightwell at basement level to provide additional office accommodation (Class E) with courtyard above. Alterations at rear fourth floor to create a terrace. Infill of rear windows at basement level and roof light at main roof level. Replacement of existing doors/windows from ground to fifth floor level (roof enclosure) and removal of rear fire escape stairs.

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.

Two-storey extension including roof-level plant along the Bressenden Place façade to provide a new office entrance pavilion (Class E), the provision of Class E office / retail accommodation, remodelling of the crown of Portland House and creation of a setback rooftop extension to provide office amenity (Class E) and an outdoor terrace, reconfiguration of the second floor plant accommodation fronting Cardinal Place, relocation of the zephyr on Bressenden Place, provision of cycle parking, public realm and associated works including window replacement and the application of a new façade treatment.