Demolition and reconstruction of rear extensions at lower ground and ground floor level to create an enlarged first floor terrace; excavation of front pavement vaults; repairs to the front and rear facades; replacement of windows with double glazed timber windows; modifications to the rear mansard to create a concealed plant area and lift overrun, and new dormer windows; and associated alterations; all to alter and extend dwellinghouse (Class C3).

Amendments to planning permission dated 21 September 2020 (Ref: 19/10047/FULL) for, 'Demolition of 134-140 Oxford Street and 77-84 Wells Street (Wells House) and the erection of a new building comprising basements, ground plus nine upper floors, with plant accommodation and Sui Generis (nightclub) at basement level 02; subterranean 'cycle centre' including cycle parking/changing rooms/drying rooms/lockers; part plant accommodation and part Class A1 (retail) at basement level 01; part Class A1 (retail) accommodation and part Class B1 (office) at ground floor level; part Class A1 (retail), part plant accommodation and part Class B1 (office) at first floor level; flexible Class A1 (retail) or Class B1 (office) at second floor; Class B1 (office) accommodation at third to seventh floors; part plant accommodation and part Class B1 (office) accommodation at eighth floor; Class B1 (office) accommodation at ninth floor; the creation of terraces on levels 6 to 8 and a rooftop terrace area at level 9 (all for use in association with office accommodation); photovoltaic panels on level 9 and the roof; and other associated works including short stay cycle parking spaces in Adam and Eve Court'; NAMELY, alterations to nightclub entrance onto Adam and Eve Court, Adam & Eve Court Louvres, to the articulation of the sixth floor dormer windows, and to the Level 9 amenity terrace space; inclusion of facade lighting strategy; internal alterations; and pulling inwards of seventh floor in northern part of site.

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.

Demolition of existing front garage door and installation of new triple sash window; removal of concrete ramp to garage with installation of new cantilevered off road car parking space at pavement level; new side extension plant room with air conditioning unit with louvered attenuation and side staircase to rear garden; installation of new back door access to property to side of existing closet wing at LGF level; new roof extension with rear dormer window to existing roof pitch; removal of existing chimney to rear of property; alterations to windows and doors.

Amendments to planning permission dated 12 July 2022 (RN: 21/07264/FULL) for alterations and extensions to the Ritz Hotel and William Kent House including the change of use of the casino to a dual flexible use as hotel and/or private members club, a two storey side extension to William Kent House, extensions to the Ritz hotel including on the site of 22 Arlington Street comprising an extension of five basements, lower ground, ground, mezzanine and seven upper floors to provide additional hotel floorspace, new and upgraded hotel facilities including hotel rooms, restaurant and spa, new entrances on Arlington Street, arrival and drop off facilities, changes to the servicing and refuse facilities, car and cycle parking, plant, landscaping and all works including demolition, enabling, highways and other ancillary works. Namely, minor alterations to the ground and upper floors of William Kent House (WKH) and the triangular staircase in the Ritz building; and external works to WKH including re-spacing balcony columns; ground floor external door detailed with light; first floor French windows cills lowered; new soil pipe to south west façade; Increased scope of slate replacement; relocated position of access hatch and dormer; new access ladder; windows and dormer louvre modification and to junction between Winter Garden and WKH.

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.

Variation of Condition 1 of planning permission dated 12th November 2020 (RN 20/04650/FULL) which in itself varies Condition 1 of planning permission dated 20 June 2017 (RN: 17/02520/FULL) for, 'Demolition of the existing building and redevelopment to provide a five storey building consisting of lower ground, ground and first to fourth floor levels to provide 10 residential units (comprising of 3 x 1 bedroom flats, 4 x 2 bedroom flats and 3 x 3 bedroom flats) including balconies/terraces with associated car and cycle parking'; NAMELY, alterations to the front and rear facades including the re-handing of lower facade and basement lightwell and the installation of additional glazing; relocation of the building entrance; reconfiguration of the core adjacent to the western flank wall; changes to the number and size of the dormer windows at fourth floor front; installation of a curved window/brick wall at rear basement level; provision of a residents' gym at rear basement level; relocation of bin stores and cycle store to the external area beneath the undercroft and reduction in the number of flats from 10 to 8 (Site includes 17A, 17B and 18 Three King's Yard) (Application under s73 of the Act).

Alterations to 111 and 113 Ebury Street comprising demolition and replacement of gabled wall to the rear, alterations to the existing fenestration, replacement of staircase to front lightwell, installation of new dry riser inlet housings, demolition of chimney stack to the rear of 113 and demolition and replacement of front mansards to 111 and 113 inclusive of dormer windows and valley gutters.

Demolition of existing rear and side extension, and replacement with single storey rear extension (lower ground level), and double storey side extension (lower-ground and ground level), lowering of existing lower-ground floor level, addition of rooflights at ground floor, first floor, and roof level, and alterations to existing rear Dormer and windows.

Demolition and rebuilding of mews building to rear; replacement infill extension within internal lightwell, additional dormer at fourth floor level, instillation of plant equipment and lift, internal alterations including removal and addition of partitions; all in connection with the use of the building as four flats (3 x 2 bed units & 1 x 3 bed unit). (Linked with 21/08268/FULL)