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, alterations including additional demolition as a result of detailed investigation work.

Amendments to planning permission dated 18th February 2021 (RN:20/06601/FULL) for Variation of condition 1 of planning permission dated 21.5.20 (RN:19/07406/FULL), which itself varied condition 1 and 9 of planning permission dated 20.11.18 (RN: 18/03520/FULL) which itself varied condition 1 of planning permission dated 12 September 2017 (RN: 16/06423/FULL) for, 'Alterations to the existing building including retention & repair of the front and side facades, part demolition & replacement of the rear facade, rear extension of the 2nd-5th floors, removal of existing & introduction of a new 6th floor, introduction of a new set-back 7th floor, extension of the existing basement levels to include two additional basement levels (including one mezzanine level), installation of roof plant & plant screen, public realm works including hard & soft landscaping, removal of the security kiosks, fencing, bollards & gates/barriers to Blackburne's Mews & Culross Street, removal & replacement of 6 No. trees in front of the Grosvenor Square elevation & re-opening of the road on the western side of the Square, all in connection with the use of the building as a hotel (Class C1) with flexible retail/restaurant use at 1st floor, ground floor and basement 1 (Class A1/Class A3/Class C1), flexible restaurant/bar use at 7th floor (Class A3/Class A4/Class C1), leisure/spa facilities within the basement (Class D2/Class C1) & an ancillary ballroom, event spaces, back of house facilities & associated car, cycle parking & servicing facilities accessed from Blackburne's Mews, & other associated works' - NAMELY, to amend Condition 17 to remove reference to the seventh-floor level [requiring public access] and an additional condition to read as follows: The area at seventh floor level designated as a restaurant/bar (Flexible Class A3/A4/C1) must remain open to members of the general public (whether or not they are guests at the hotel or visitors of hotel guests) on not less than 200 days per year

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 18 October 2022 (RN: 20/03307/FULL) for the: Comprehensive residential-led mixed-use redevelopment, including demolition of Kylestrome House, Lochmore House, Laxford House, Stack House, Walden House and structures attached to Coleshill Flats; tree removal and pollarding; erection of a partial sub-basement, basement and buildings varying in height from five to 11 storeys, to provide affordable homes (Class C3), market homes (Class C3), senior living accommodation (comprising Class C3 and / or Class C2), alongside a range of uses at partial sub-basement, basement and ground floor level including retail (Class A1), restaurants / cafes (Class A3), drinking establishments (Class A4); offices (Class B1), community space (Class D1), cinema (Class D2); use of the lower ground floor of the Coleshill Flats as retail and / or workspace (Class A1 and / or B1); provision of new pedestrian routes; basement car parking; basement and ground floor circulation, servicing, refuse, ancillary plant and storage; provision of hard and soft landscaping; landscaping works and creation of new play facilities at Ebury Square; rooftop PV panels; rooftop plant equipment; refurbishment and relocation of Arnrid Johnston obelisk to elsewhere within the site; refurbishment and relocation of the water fountain on Avery Farm Row; repair and relocation of the telephone boxes on Orange Square; and other associated works. NAMELY, to allow amendments to Building C, comprising the separation of the basements of Building A and C, reduction in floor to floor heights, enlargement of cores, revised housing mix and associated internal alterations, addition of fixed guarding and amendments to the Ebury Street facade; and associated alterations.

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 alterations to the ground floor of William Kent House and level of the Secret Garden.

Amendments to planning permission dated 15th December 2021 (RN:20/03623/FULL) for amalgamation of two maisonettes to create a single dwelling house [Class C3], excavation beneath the footprint of the existing building and excavation of part of rear garden at lower ground floor level. Demolition of the existing extension to the rear and construction of a new lower ground and ground floor rear extension. Repair work to the facade, alteration to street frontage in line with the street and landscaping to the rear garden. Installation of acoustically attenuated condenser to the rear garden. Namely, to amend the wording of Condition 16 (Contaminated Land) to allow radon monitoring to occur 'after' occupation.

Amendments to planning permission dated 23 October 2020 (RN:19/09638/FULL) for demolition of existing community centre (Use Class D1) and nursery (Use Class D1) buildings and associated structures and replacement with three blocks (Blocks A, B and C) to create residential dwellings (Use Class C3), office floorspace (Use Class B1), cafe (Use Class A1), replacement community space (Use Class D1) and replacement nursery (Use Class D1). Landscaping and public realm alterations (including to the base of Wilmcote House); provision of car parking and cycle parking, refuse storage; provision of new boundary treatment; alterations to services; plant and associated works. Namely, decentralised water source heat pumps (WSHPs) will be located in each apartment and connected to the ambient loop.

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 16 February 2021 (RN: 20/07702/FULL) for the: Recladding facades to replace existing granite and mosaic tiling and associated landscaping works to the forecourt at ground floor level. Namely, to allow alterations to windows at ground to 8th floor on Langham Place, at lower ground, ground to 8th floor on Great Portland Street, at floors 1 - 5 on Langham Place West Wing, floors 1 - 5 on Langham East window, and the windows at ground to 5th floor on Riding House Street elevation.

Amendments to planning permission dated 11 February 2020 (RN:19/07252/FULL) for the: Variation of condition 1 of planning permission dated 4 April 2017 (RN: 16/10545/FULL) for "Alterations in connection with the reversion of the building to use as a single family dwelling, including removal of and rebuilding rear stable block, extension to main house and formation of basement and sub-basement levels; removal of garage building and erection of a replacement garage/ sub-station building; raising mansard roof trusses; and associated internal alterations, landscaping and associated works. NAMELY, to allow the installation of a 1st floor balcony, enlargement of/ alterations to the outdoor kitchen and plant store room, to from green roof to terrace with pergola roof, and internal alterations.