Excavation of basement with lightwells to front; Demolition and replacement of rear extension at lower ground floor level with terrace at ground floor level; Excavation to lower ground floor and rear garden; Use of garage for additional internal accommodation; Installation of plant machinery to rear; Demolition of garden house; Replacement of windows throughout (part-retrospective); Landscaping works to front and rear gardens; and associated external and internal alterations. (Linked to 23/04725/FULL)

Excavation of basement with lightwells to front; Demolition and replacement of rear extension at lower ground floor level with terrace at ground floor level; Excavation to lower ground floor and rear garden; Use of garage for additional internal accommodation; Installation of plant machinery to rear; Demolition of garden house; Replacement of windows throughout (part-retrospective); Landscaping works to front and rear gardens; and associated external and internal alterations. (Linked to 23/04726/LBC)

Demolition of low level boundary wall between 75 Elizabeth Street and 1B Chester Row (retrospective).

Amendments to planning permission dated 23rd December 2016 (RN 16/02343/FULL) for the DEVELOPMENT SITE AT 16, 18-25 & 26 PARK CRESCENT & 77-81 PORTLAND PLACE- Demolition and redevelopment of 16 Park Crescent, 18-25 Park Crescent, 26 Park Crescent and partial demolition of 77-81 Portland Place including reinstatement of Grade I listed Park Crescent facade to create [76] residential units and [1910 sqm] D1 floorspace. Creation of [9] new mews properties within rear courtyard at Park Crescent Mews. Car parking and associated servicing, access and landscaping. NAMELY, retrospective internal amendment to the third-floor level of duplex Apartment no. C4.12 (47).

Variation of condition 1 of planning permission dated 17 December 2020 (RN: 20/07029/FULL) for the: Demolition and replacement of the existing mews building with a new 2 storey mews property with roof and conservatory to rear. NAMELY, to allow changes to the details of the approved garage door and first floor windows to the front and rear elevations (Retrospective).

Excavation of basement beneath original dwelling, incorporating an internal light well; Demolition and reconfiguration of roof; and formation of window at first floor level to front elevation. (Retrospective)

Alteration to vault opening, new vault door and new internal service routes at lower ground floor level, new external service route to rear elevation; reinstatement of French doors to replace existing non-original sash window at first floor level; and internal works at first floor level including floor strengthening, the demolition and installation of partitions, changes to door openings, alterations to the ceilings, removal and reinstatement of internal features, fixtures and finishes and associated lighting and services installations. (Part retrospective).

Demolition of existing gate piers and construction of two gate piers and reinstatement of the existing gates. (Part retrospective) (Linked with 21/08792/LBC)

Demolition of existing garage and store area; excavation of a basement beneath building and erection of a two storey 3 bedroom dwellinghouse (Use Class C3) (Retrospective)

Variation of condition 4 of planning permission dated 14 August 2018 (RN: 17/10714/FULL) for the: Demolition of existing roof structures (excluding chimneys), erection of new mansard roof and associated works in connection with the use of the 5th and new 6th floors as 1 x studio; 3 x 1 bed and 1 x 2 bed residential units (providing one additional unit) (Class C3). (Retrospective application) (Site includes 51-53 Rupert Street). NAMELY; to allow the retention of the rear sixth floor gantry to provide amenity space to the two flats at 6th floor and provision of privacy screen at party wall junction.