Variation of condition 1 of planning permission dated 4th October 2022 (RN 22/00448/FULL) for the demolition of the existing hipped roof and construction of a roof extension, a rear extension involving the infill of an existing undercroft area at ground floor, the replacement of an existing link building (between the building fronting Chapel Side and Esca House to the rear) and an additional second floor storey, and the excavation of a basement under the main building, in association with the change of use of the ground and first to residential flats (Class C3). Replacement windows to the front and rear elevations, and the creation of a terrace and green roof on the rear extension roof at third floor level and a terrace at rear fourth floor level. NAMELY, to increase size of basement level and creation of associated lightwell; Alterations to fenestration; relocation and alteration of rear dormers; Internal changes to layout of residential accommodation; and associated external alterations.

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.

Alterations to front boundary wall to widen existing gateways and introduction of new driveway; infilling garage door with masonry cavity wall construction complete with window to match others adjacent; lowering of window sill to existing window in front facade and installation of new window to match others adjacent; conversion of existing garage to habitable accommodation; two single storey extensions to rear of property; and removal of two trees.

Deed of Variation to the S106 legal agreement dated 10.10.13 (and subsequent Deed of Variations) in respect of the planning permission of the same date (RN 13/01715/FULL) for the demolition of the existing building and construction of a new building comprising nine floors above ground and three basement levels, for retail, residential accommodation (Class C3; 42 flats), a publicly accessible arcade at ground floor level, landscaping, green roof, roof top plant, access and servicing, ancillary car and cycle parking and other associated works - NAMELY, to vary the restrictions applied to the ground and basement retail units, to allow the configuration of units to respond to market demand for fewer, larger units, and allow the occupation of a reconfigured unit 30 by either a retailer, gallery/antiques trader, café or restaurant (in Class E).

Construction of mansard roof extension with rear terrace to rear closet wing and dormer extension to side of existing roof extension to provide additional residential accommodation. Alterations to existing rear dormer.

Amendments to planning permission dated 27th July 2022 (RN:21/04390/FULL) for Demolition and redevelopment of 91-92 Dean Street, Diadem Court and 10-13 Great Chapel Street, behind retained façade at 91-92 Dean Street and behind retained façade of ground and lower ground floors of Diadem Court and erection of a building of basement, ground and part three and four upper storeys with rooftop plant and roof terrace, for use as hostel visitor accommodation (sui generis) of between 725 and 775 bedspaces, and use of part of the ground basement of 14-15 Carlisle Street for healthcare clinic use with ancillary café at 92 Dean Street. NAMELY; to amend Condition 3 to split the construction phases of the development into two phases, namely into 1). sub- and super-structure construction and a further stage of 2). external façade cladding and roof construction works.

Construction of new mansard level accommodation to existing flat roof over mews properties to provide additional residential accommodation (Class C3).

Excavation of raised garden and construction of a full garden extension to enlarge the existing lower ground floor accommodation, creation of a lightwell and raised timber decked area at ground floor.

Variation of condition 3 (temporary use) of planning permission dated 17th December 2020 (RN 20/06499/FULL) for the variation of condition 3 of planning permission dated 11th July 2018 (RN 18/00801/FULL) for the Use of Unit 5 as welfare accommodation/site office (Sui Generis) for a temporary period in association with construction works at Grove End Gardens until 31st December 2020. NAMELY, to extend the duration of the temporary period to facilitate unforeseen cladding remedial works until 31st December 2022.

Variation of condition 1 of planning permission dated 8th March 2021 (RN 20/08269/FULL) for the insertion of 3 rooflights to the front roof and the construction of dormer to the rear roof and relocation of existing solar panels in connection with conversion of existing roof space into habitable accommodation; NAMELY, two panel door in the rear dormer; the installation of glass Juliet balustrade and the use of hanging slate to the dormer cheeks in lieu of standing seam lead (retrospective application).