Erection of a mansard roof extension, including internal air conditioning units; New roof light; Timber sash window; Replacement garage door and repositioning of entrance door to front elevation; New internal staircase up to second floor; and other associated work to enlarge and alter dwellinghouse (Class C3).

Details of new windows, external doors, extended chimney, extended chimney, new dormer, new roof lights and roof construction, new lantern light, new stone panel and section through lead roof pursuant to Condition 14 of planning permission dated 23 February 2022 (RN: 21/07541/FULL)

Repair and restoration works to the external elevations and roof including the stonework, terrazzo paving, rooflights and windows.

Replacement shopfront; alterations to the rear ground floor extension including replacement roof covering, replacement fire door, replacement window, and bricking up of existing extractor vent.

Alterations to the existing building including new partitions within the ground and second floor, refurbishment of the internal finishes within first floor, repair of selected windows at first and fourth floors, and installation of new plant at roof level. (Linked with 23/05691/FULL)

Alterations to the existing building including new partitions within the ground and second floor, refurbishment of the internal finishes within first floor, repair of selected windows at first and fourth floors, and installation of new plant at roof level. (Linked with 23/05692/LBC)

Amendments to planning permission dated 23 December 2022 (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 enable the removal of specified louvres, relocation of the generator, façade updates at ground floor level, installation of safety balustrading, relocation of the consented UKPN access, creation of a separate ground floor access for the crown amenity space and installation of additional sliding doors at Level 30.

Extension of roof level dormers, installation of new glazed roof at main roof level to enclose rear lightwell, and new ground floor timber sash window and timber door, in connection with provision of additional floorspace at ground, first and second floor levels.

Replacement of window to the rear with white timber glazed door and installation of black wrought iron railings in connection with use of the ground floor flat roof as a terrace.

Replacement of window to the rear with white timber glazed door and installation of black wrought iron railings in connection with use of the ground floor flat roof as a terrace.