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).

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.

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)

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 21/08269/LBC)

Variation of condition 1 of planning permission dated 19 April 2021 (RN: 20/07287/FULL) for amalgamation of the lower ground and ground floor levels of 111 and 113 Ebury Street, demolition and replacement of the rear closet wings to 111 and 113 Ebury Street, demolition and replacement of rear mansard extension and excavation at rear lower ground floor level and new rear ground floor extensions with new openings in the rear boundary wall facing Eccleston Yard to provide new restaurant floorspace (Class E). Installation of mechanical plant at roof level; Namely to demolish and reinstate gabled wall, alteration to fenestration pattern, replacement of staircase to 113 Ebury Street; demolition and reinstatement of chimney stack to No. 113 and demolition and replacement of mansards to Nos. 111 and 113 including dormer windows and valley gutters and installation of a new dry riser inlet.

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.