Excavation of basement level beneath footprint of existing house with walk on rooflights; Rebuilding of bathroom extension at lower ground floor; Erection of extension at ground floor level over octagonal wing and creation of new parapet; Erection of infill extension on northeast elevation; Remodelling of bay on southeast elevation at lower ground floor level; Erection of replacement dormer; Demolition of existing retaining walls on south east elevation and eastern lightwell and construction of new metal escape stairs in these location; Replacement of windows; Rationalisation of drainage, repair of stucco render, repair/ refurbishment and part replacement of existing roof, refurbishment/ replacement of existing chimney and pots; Installation of Plant Machinery; Erection of bin and bike store to front garden; and associated external alterations.

Amendments to planning permission dated 26 July 2019 (RN:19/03428/FULL) for the demolition of existing dwellinghouse and erection of new four storey dwellinghouse (Class C3) comprising a basement floor extending under part of the front and rear gardens, ground and two upper floors, and associated external alterations, including replacement of front boundary wall. Namely, minor repositioning of windows; repositioning of the side entrance door and change to style of door; Dormer window sizes reduced; Rear ground floor doors combined with windows and brick piers removed; Design of front portico simplified to be more in keeping with the house; Parapet detail amended; Alterations to chimney, height and capping; Reduction in size of rooflights to ground floor single storey rooms; Splitting up of the rooftop courtyard glazing; Alteration to basement lightwell configuration; Glazed metal door and security gates added and lowering of basement window cills; 5mm increase in height to a side extension; change in eaves height to main roof.

Excavation of basement storey beneath main house, demolition and rebuilding of mews house at new height plus the addition of a lower ground floor storey, demolition and rebuilding of main roof plus addition of plant equipment, erection of extension for lift from basement to third floor level, demolition and replacement of interconnecting extension between main and mews house, use of roof of interconnecting extension as a roof terrace, increasing height of boundary shared with 78 Chester Square and other external alterations as well as internal alterations throughout. (Linked with 22/05927/FULL)

Excavation of basement storey beneath main house, demolition and rebuilding of mews house at new height plus the addition of a lower ground floor storey, demolition and rebuilding of main roof plus addition of plant equipment, erection of extension for lift from basement to third floor level, demolition and replacement of interconnecting extension between main and mews house, use of roof of interconnecting extension as a roof terrace, increasing height of boundary shared with 78 Chester Square and other external alterations.

Amendments to planning permission dated 01 November 2019 (19/03058/FULL) for Demolition of top floor and erection of replacement floor plus one storey extension, rear extensions, and replacement facades with associated external alterations for use as a 366 bed hotel (Class C1) with flexible use at part of ground floor for restaurant/hotel use (Class A3/C1). Namely, design changes to hotel back of house; loading bay; changes to refuse provision; change of a window to a door at 4th floor level; relocation of a door at 5th floor level; revision to staircase enclosure.

Works at 89 Boundary Road to include use of part lower ground and part ground floors as a residential flat (Class C3) and office (Class E), and first, second and third floor as 2 residential flats (Class C3); Erection of rear extensions at lower ground and ground floor levels with associated terrace at first floor level; Erection of mansard roof extension, alterations to windows and doors; and works to 87 Boundary Road to include demolition of existing rear extension and erection of mews house at rear of site, reduced office space; erection of a mansard roof; Conversion of maisonette at first and second floor into two flats with additional accommodation at roof level; and use of the lower ground and ground floor as office (Class E).

Amendments to planning permission dated 8 August 2018 (RN:18/03076/FULL) for the: Excavation to extend the lower ground floor and increase floor-to-ceiling height, demolition of existing conservatory and erection of extension to side elevation, and erection of infill extension to rear elevation at lower ground floor level all to enlarge dwellinghouse (Class C3). Alterations to rear elevation including infilling existing window and creation of 3no. new windows at second, third and fourth floor level. Removal of existing tree to front boundary. Installation of mechanical plant to fourth floor roof terrace, all in connection with the existing single family dwelling (Class C3). NAMELY, to allow increasing the height of the three new front ground floor windows of the new extension car park side of the house and to the ground floor level window, configuration to the rear elevation and retention of existing brickwork.

Demolition works behind the retained facade, including demolition of the walls, floors behind the facade, excavation of a single storey basement beneath the footprint of the existing house, erection of a side extension to the existing first floor closet wing with a terrace. Alterations to the mansard roof and rear elevation doors, windows and rooflight and the front dormer.

Variation of Conditions 1 and 6 of planning permission dated 08 July 2020 (RN: 19/09027/FULL) for the Partial demolition at 142-150 Wardour Street including removal of existing mansard roof to Film House and part of the rear and side facades; replacement of mansard roof, erection of new sixth floor and new sheer frontage at the eastern end of the site for office use (Class B1); creation of restaurant units (Class A3) at part ground and part basement levels fronting St Anne's Court, Wardour Street and Sheraton Street; shopfront alterations; creation of a terrace at sixth floor level for office use; installation of a roof level plant enclosure and associated external works (Site includes 138 Wardour Street, 142-150 Wardour Street and 20 St Anne's Court); NAMELY, to allow alterations to north east elevation including render whole of north east facade, reinstatement of two windows and the enlargement of a window at lower ground floor, addition of a transfer structure at level 6, and an additional window; omission of vent structures to party wall line to allow for the adjustment to the position of the acoustic plant screen; infilling central lightwell at lower ground, ground and level 01 to extend the office space; changes to dormer windows along Sheraton Street and Wardour Street; creation of a lobby at the top of the St Anne's Court core to accommodate new stairs; retention of existing street level stucco facade to St Anne's Court; introduction of louvre panes in the north east facade; and correction to north east elevation to show the sides of the three Wardour Street dormers. [Application under Section 73 of the Act]

Variation of condition 1 of planning permission dated 15th December 2018 (RN 18/09016/FULL) for the 'Erection of a mansard roof extension, alterations to existing facades and excavation of a single-storey basement extension underneath the footprint of the original house, to provide additional residential accommodation'. NAMELY, to amend the approved drawings to include a set of demolition plan to confirm extent of the approved alterations to the facades and a revised set of proposed drawings to be consistent with the demolition drawings (No changes to final design with the application purely to establish exact areas of demolition necessary to deliver approved scheme).