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.

Alteration to the front elevation and infill part of the existing lightwell at lower ground floor level; erection of single storey glazed extension at garden level; alteration to closet wing extension at ground and first floor level; closet wing extension at second floor level and enlargement of existing mansard including a new dormer window.

Variation of condition 1 of planning permission dated 21st April 2022 (RN: 22/00336/FULL) for the Extension to mansard roof and roof terrace, relocation of extract duct to the rear from RN: 22/00336/FULL. Namely, to increase in the overall height of the North elevation dormer windows by lowering the cill level and to increase the size of the roof light above the staircase.

Erection of rear extension at lower ground floor level, extension under front garden and associated lowering of lower ground floor level; Erection of rear dormer; Alterations to fenestration; Installation of plant machinery; Erection of outbuilding in rear garden; Alterations to rear boundary walls; landscaping works; and associated external alterations. Internal alterations, including changes to planform. (Linked with 22/07801/FULL)

Erection of a mansard extension at third floor level to accommodate a two bed duplex flat over second and third floor level, new dormer windows to front and rear; and four conservation type rooflights; raise height of party walls and chimney stacks.

Amendments to planning permission dated 2 March 2022 (RN:21/08243/FULL) for 'Variation of condition 1 of planning permission dated 25th August 2021 (RN 21/03822/FULL) which itself varied condition 1, condition 4 (part a) and condition 5 (parts i, iv and v) and the removal of Condition 4 (parts b and c), 5 (parts ii and iii) and 8 of planning permission dated 3 December 2020 (RN:20/03764/FULL) for 'Removal of existing roof top plant and extension to create an additional storey at fifth floor with tiled mansards and lead clad dormer windows to front and rear; a single storey extension at fourth floor comprising a glazed dome above the existing rear bow; installation of plant at roof level; partial infilling of lightwell adjacent to Gwydyr House; facade cleaning and other facade repairs; and other associated works in connection with the existing use (Sui Generis)'. Namely, amendments to the new fifth floor roof layout and increase front parapet height.

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.

Conversion of flat at first, second and third floors into 2 x 1 bedroom flat; Erection of mansard roof extension with dormer window over part of rear roof; Insertion of roof window on side elevation. Erection of bike and bin store in front garden.

Erection of dormer to rear, extension of roof to accommodate stairs to loft to rear, formation of 3 rooflights to front and associated external alterations, in connection with conversion of loft to habitable accommodation.

Variation of condition 1 of planning permission dated 15th June 2022 (RN:22/01971/FULL) for the Replacement dormer extension with a larger dormer extension, addition of a new rooflight, replacement and slight enlargement of first floor fenestration to rear elevation and levelling of flat roof above first floor bathroom from RN:22/01971/FULLL. Namely, to reduce the size of some existing windows, the size of the dormer to be retained.