Amendments to planning permission dated 14 March 2022 (RN: 21/08778/FULL) for the: Erection of a rear dormer extension and side (conservation style) skylight. Single storey rear extension living area at lower ground floor level. Excavation of a new basement level under front garden. Landscaping to front, side and rear gardens and creation of waste store. Namely, to reduce the size of the rear extension's lantern and regularise its shape; omit triangular fan light from the rear elevation of the rear extension; simplify pergola design; and replacement of window sashes with slimline double glazing.

Amendments to planning permission dated (RN: 22/01867/FULL) for the: Use of a building as three self-contained flats (Class C3); erection a ground floor rear extension; dormer roof extension; roof lights to the front elevation; bike and bin storage within front garden; and associated works. Namely, to allow increase in dimensions of dormer and reducing side clearance between dormer cheeks and side boundary of the building; increase in height of dormer; and lifting of flat roof of dormer to 100mm below main ridge line of roof.

Amendments to planning permission dated 16 November 2021 (RN: 21/05242/FULL) for 'Erection of rear extension, formation of lightwell and associated excavation to lower ground floor level; glazed conservatory at rear ground floor level with associated balcony and stair; partial demolition of existing closet wing and replacement with raised roof level; installation of dormer window, roof light and AC units at roof level and associated works'. Namely, to change the approved roof plant to a better performing and more environment friendly model (Daikin VRVRXYSCQ6TV1) and amend the associated plant enclosure.

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.

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.

Amendments to planning permission dated 1st November 2022 (RN: 22/05327/FULL) for erection of a single storey rear extension at ground floor level, rear first floor extension to occupy the current rear terrace and part of flat roof; roof terrace at rear first floor level; enlargement of the roof with insertion of dormer windows to front and rear, and roof lights to rear; alterations to existing windows, new front gate and alterations to landscaping and parking and air conditioning unit with acoustic screening; infilling of the front entrance porch; and amendments to the side extension at ground floor level and a new rooflight NAMELY, the relocation of the plant room door and introduction of a new small window in the utility room.

Amendments to planning permission dated 16 November 2021 (RN:21/05242/FULL) for Erection of rear extension, formation of lightwell and associated excavation to lower ground floor level; glazed conservatory at rear ground floor level with associated balcony and stair; partial demolition of existing closet wing and replacement with raised roof level; installation of dormer window, roof light and AC units at roof level and associated works. Namely, increasing the width of the steps from lower ground floor level and incorporation of a planter within the retaining wall.

Amendments to planning permission 28th July 2022 (RN: 22/03278/FULL) Excavation of a basement extension under footprint of main house and under part of rear garden, replace windows, alterations to facades and at roof level including two new dormers fronting on Marlborough Place and a rear dormer and associated external alterations. Namely, provide a small light well and two windows looking onto the light well at basement level.

Amendments to planning permission dated 02 March 2022 (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 abutment of the roof extension with Banqueting House and alterations to the rear part of the mansard roof extension.' Namely, amendments to the new fifth floor roof layout, installation of dry riser inlet, and part cornice removal on rear elevation to facilitate the installation of the consented springing dome; and variation to the wording of condition 3 (materials) to a compliance condition.