Amendments to planning permission dated 10th June 2021 (RN: 21/01382/FULL) for erection of a single-storey extension to the rear. Single-storey front extension to existing side infill. Works to existing fenestration. Installation of a new side entrance door to the eastern flank wall. New window to the western flank wall. Alterations to the front driveway and entrance piers. NAMELY, alterations to materials of landscaping.

Amendments to planning permission dated 20 December 2022 (RN: 22/05746/FULL) for variation of Condition 1 of planning permission dated 08 September 2014 (RN:14/03923/FULL) for the excavation to create basement extension and lower pavement vaults; removal of existing extensions and replace with extensions at rear lower ground to third floor level including roof terrace at rear first floor level; erection of fourth floor extension in mansard style to rear and open up blind windows to front; installation of plant within mansard structure; new landscaping to garden and replace boundary wall with 16 Wilton Crescent; namely, alterations to the size and position of the new rooflights and access hatch at roof level, opening up of a blind window at rear third floor level and alterations to the glazing on the front elevation. Namely, internal alterations to the staircase at Lower Ground, Ground and First Floor.

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 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 3rd February 2022 (RN:21/08237/FULL) for Demolition of the existing conservatory, erection of a rear extension and the infilling of two light wells in connection with the use of the ground floor and basement as a restaurant (Class E). Alterations to front entrances and replacement of existing shopfront. Alterations to rear elevation including fenestration and at roof level in connection with use of the upper floors as three self-contained C3 residential units each with private external amenity areas including a roof terrace together with associated plant and landscaping (site includes 77 Marylebone Lane). Namely, to alter the 3rd floor arrangement and location for access to the roof terrace in order to comply with building regulation requirements for clear access via the staircase that was previously approved.

Amendments to planning permission dated 09 June 2017 (RN:16/07188/FULL) for Variation of Condition 1 and 13 of planning permission dated 26 October 2015 (RN: 15/04136/FULL) for the partial demolition, extension and refurbishment of buildings at 1-3 Buckingham Gate and 1 Palace Street (street block bounded by Stafford Place, Palace Street and Buckingham Gate) including excavation to form three basement levels, in connection with use of site as 72 residential units (Class C3) and a restaurant (Class A3) to the ground floor and part basement to the corner of Palace Street and Buckingham Gate. Associated vehicular access from Palace Street, storage, plant, landscaping, basement parking and ancillary residential facilities, namely, alterations to doors and windows.

Amendments to planning permission dated 08 June 2021 (21/02350/FULL) (which itself was a variation of condition 1 of planning permission dated 28 March 2020 (RN:20/01191/FULL)) for demolition of the existing building behind a retained front facade. Excavation of a basement with front and rear light wells, erection of a rear extension at lower ground floor, a single storey closet wing extension at first floor level and the alterations to the roof to the rear. Associated alterations to the front stairs to facilitate the basement excavation. Replacement windows to front façade and changes to rear windows. Namely, changes to the rear garden terrace adjusted to suit the landscaping scheme; front steps to be rebuilt straight; existing front gates to be removed be replaced with a new pedestrian gate and bi-fold driveway gate; rear closet wing to increase in height by approximately 120mm, railings to the rear to have straight mild steel spindles (painted black); wall beneath entrance stair to be removed to allow for the excavation of the basement; and existing party wall to No.73 Carlton Hill to be retained.

Amendments to planning permission dated 30 September 2019 (19/04631/FULL) for Variation of condition 1 (approved plans) and 9 of planning permission dated 21 November 2017 (RN: 17/07627/FULL) for the: Demolition of existing building and redevelopment to provide a new building comprising lower ground floor, mezzanine, upper ground floor and first to eight floor levels for use as hotel (Class C1) with ancillary Bar/Restaurant, external landscaping and associated works. Namely, to allow maintenance access to the terrace; an additional two metres of excavation at basement level, the extension at basement and ground floor level out to the rear boundary with the alms house, increased plant screen height by 0.6 metres, the introduction of a maintenance doors to the front and rear at the 8th floor, the removal of coloured window reveals, alterations to the rear lightwell, removal of skylight and bench to the front forecourt, the addition of two security bollards at front boundary of the site. NAMELY to allow the installation of 3 additional illuminated bollards to front forecourt.

Amendments to planning permission dated 4th January 2021 (RN: 20/06655/FULL) for the Installation of double glazed windows on the Berkeley Square, Bruton Street and Bruton Place elevations and new windows on the rear facade at levels 6, 7 and 8, extension to the existing core staircase and lift to roof level to facilitate the provision of a new roof terrace, installation of replacement plant at roof level, installation of external lighting, alterations to shopfront, office entrance and signage including replacement of doors, installation of new weatherproof cladding to the rear fire escape stair, repairs and cleaning to the external elevations and provision of cycle and changing facilities at basement level (site includes 22 Berkeley Square). Namely, to amend rear elevation railing to the left of the rear elevation has been raised to accommodate the roof terrace landscaping arrangements. Existing metal framed windows to be replaced with new double glazed units. New metal window and louvre introduced at ground floor level into an existing opening. Berkeley Square elevation Windows in the pavilion at roof level have been reconfigured to align with internal alterations. Shopfront mullions have been rationalised and the left door has been detailed. The window sill line were missing in a previous survey and they have been reintroduced in this elevation as existing. Roof level alterations New fixed planters introduced at roof terrace level. New bench proposed in the terrace.

Amendments to planning permission dated 21 May 2020 (RN: 19/05711/FULL) for the: Demolition and redevelopment of the existing Porters Lodge to provide a replacement single dwelling (Use Class C3); erection of extension to the rear of Kings Court; facade alterations, including provision of balconies at ground and first floor level to the front elevation of Kings Court, restoration of the existing brickwork and addition of limestone cladding, upgrades to the fenestration; landscaping of the site; provision of terraces to the rear and side of Kings Court. Namely, to allow changes to extension of flat 3, alterations to rooflights above flat 2, and changes to window sizes/location in Apartment 3.