Variation of Condition 1 of planning permission dated 04 September 2020 (RN: 20/03854/FULL) for, 'Demolition and replacement of existing fourth floor, demolition of existing plant room, and erection of a single storey roof extension at fifth floor and rear extension at second to fifth floor levels in connection with existing office (Class B1) use, provision of new main office entrance, flexible use of part ground and basement floor for either retail or office use (Class A1/B1), creation of roof terrace at fifth floor level, provision of cycle parking spaces and facilities, roof plant and associated external alterations, including replacement windows'; NAMELY, to amend the approved drawings to replace a single ground floor level window on the north elevation with a door and to erect of a bridge over the existing lightwell to provide a secondary fire-protected egress point.

Amendments to planning permission dated 29th June 2022 (RN 21/02892/FULL) for the variation of Condition 1 (approved plans and documents) of planning permission dated 3 July 2020 (RN: 19/04487/FULL) for: Demolition of existing buildings and structures and construction of a new mixed-use development comprising hotel and associated facilities (Class C1), flexible workspace (Class B1a / B1c), retail and food and beverage (Class A1 / A3), events space (Sui Generis) and a replacement street cleaning depot (Sui Generis) with associated new public realm and highways improvements. (site includes Taxi House, Waterside House and Westminster Street Sweepers Depot). Namely, amendment to the wording of condition 42 to require details of a bespoke fenestration arrangement to Woodfield Road and Grand Union Close.

Variation of Condition 1 of planning permission dated 19th April 2023 (RN: 20/04541/FULL) for, 'Erection of an extension at the rear of 18-22 Wigmore Street at first to fourth floor levels and alterations to the rear roof form to allow conversion of the attic space to provide additional residential floorspace for the existing flats (Class C3), including the infilling of an internal lightwell adjacent to 16 Wigmore Street and the installation of a new lift. Alterations at basement and ground floor level including the infilling of a rear lightwell at basement and ground floor levels. Installation of plant within an associated enclosure at rear first floor level with a green roof over and screened plant on a flat roof at fourth floor level to the rear of 22 Wigmore Street. Alterations to the front of the building including new windows, shopfronts and metal railings at ground floor level. All in connection with the dual / alternative use of the basement, ground and first floors as either office (B1) / retail (A1) or a sui generis use comprising piano showroom, office space, new recital room, piano practice rooms and workshop space and use of the second to new fifth floors as 8 residential units comprising 3 x 1 bed; 4 x 2 bed and 1 x 3 bed' (SITE INCLUDES 18, 20 AND 22 WIGMORE STREET); NAMELY to install additional plant at rear first floor level and amend the approved enclosure, decorative cladding and green wall. (Application under Section 73 of the Act).

Variation of Condition 1 of planning permission dated 19 April 2021 (RN: 20/04541/FULL) for, 'Erection of an extension at the rear of 18-22 Wigmore Street at first to fourth floor levels and alterations to the rear roof form to allow conversion of the attic space to provide additional residential floorspace for the existing flats (Class C3), including the infilling of an internal lightwell adjacent to 16 Wigmore Street and the installation of a new lift. Alterations at basement and ground floor level including the infilling of a rear lightwell at basement and ground floor levels. Installation of plant within an associated enclosure at rear first floor level with a green roof over and screened plant on a flat roof at fourth floor level to the rear of 22 Wigmore Street. Alterations to the front of the building including new windows, shopfronts and metal railings at ground floor level. All in connection with the dual / alternative use of the basement, ground and first floors as either office (B1) / retail (A1) or a sui generis use comprising piano showroom, office space, new recital room, piano practice rooms and workshop space and use of the second to new fifth floors as 8 residential units comprising 3 x 1 bed; 4 x 2 bed and 1 x 3 bed' (SITE INCLUDES 18, 20 AND 22 WIGMORE STREET); NAMELY, to allow removal and replacement of existing central core and floors (retrospective), minor changes to internal configuration, provision of new entrance gates to permitted railing enclosure at the front, new door height gates to central entrance and new timber painted frames to glazed entrance. (Application under Section 73 of the Act).

Variation of Condition 1 and 11 of planning permission dated 20 October 2022 (RN: 22/04903/FULL) for the demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works; and amendments to car parking provision (retention of the public car park), alterations to the cycle parking provision and basement layouts and reduction in flexible commercial floorspace; namely, design modifications to the Carlton House Terrace elevation including an additional entrance, pavement lights, replacement railings and re-alignment of a section of the south facade; alterations to the lower ground floor glazing on the west elevation, a new stairwell and platform lift to roof terrace (level 10), widening of central core to accommodate emergency access and fire-fighting lifts, realignment of level 10 balustrade and alterations to south-west lift overrun and amendment to the wording of Condition 11 to include the word 'pergolas'.

Amendments to planning permission dated 05 September 2022 (RN: 21/04272/FULL) for variation of condition 1 of planning permission dated 4th December 2020 (RN 20/02024/FULL) for the seven-storey rear courtyard extension of the existing office building at the basement, ground, first, second, third, fourth and fifth floor levels; a two storey extension on Harewood Avenue at 7th and 8th floor level and an extension to the Harewood Row/Lisson Grove elevations at third, fourth and fifth floor level for additional office space (Class B1), comprising the relocation of the existing mechanical plant and services; change of use of the existing office space (Class B1) to flexible retail space (Class A1/B1) at part basement, part ground floor at the corner of Harewood Avenue and Harewood Row; upgrade works to the existing entrances along Harewood Avenue and Harewood Row; refurbishment of the existing vehicle entrance on Lisson Grove including an enclosed loading bay; reconfiguration of car parking and cycle parking at the basement level; and the introduction of planting and landscaping to the existing entrance on Marylebone Road. Namely, to incorporate amendments including replacement windows, amendment to Marylebone Road and Harewood entrances, change to cladding on rear facade, increased extents of green roofs/planted terraces and increase to the extent of the courtyard facade; NAMELY, changes to the opening mechanism of 8 basement windows to allow for ventilation in association with building regulation requirements for smoke extraction.

Variation of condition 1 of planning permission dated 30 May 2022 (RN:22/02156/FULL) for the Variation of condition 1 of planning permission dated 26 May 2021 (RN: 21/01109/FULL) (which varied conditions 1, 6 and 13 and removed conditions 8 and 18 of planning permission dated 11 September 2019 (RN 19/03450/FULL)) for 'Refurbishment and extension of existing building to provide additional B1 (office) floorspace, use of ground floor for retail (Class A1) purposes and Class A3 (cafe/restaurant) purposes and gym (Class D2) at basement level; terraced infilling of central courtyard, creation of roof terraces together with green roofs; reconfiguration and provision of additional plant accommodation at basement and roof level; replacement windows and new entrances together with new shopfronts; new layout at ground level for accessible parking and refuse store; cycle parking and showers and servicing at basement level, to amend the approved drawings to reflect design and technical development changes post planning permission, including alterations to proposed roof plant, removal of green walls and retention and refurbishment of pentagon roof. Namely amendment to layout at floor 8 to extend it and consequential amendment at roof level.

Amendments to planning permission dated 26th April 2021 (RN:18/05362/FULL) for Variation of condition 1 and 21 of planning permission dated 12 October 2017 (RN: 17/02923/FULL) for the Demolition and redevelopment behind retained facade to provide a building of two basements, ground, part mezzanine and eight upper storeys accommodating retail (Class A1), office (Class B1) and flexible retail / office (Class A1 / B1) floorspace:to allow, alterations to retained facades including replacement windows to the east and south facades, alterations to facing material at rear elevations, clarification of facade reconstruction at parts of ground, first, sixth and seventh floors, alterations to office entrance, reduction of lightwell size on Great Cumberland Place, and reduction of doorway recesses at building entrances - NAMELY, to amend the wording to include flexible commercial uses use (Class E) at basement, ground and part first floor level and office (Class E) within part first floor level and second to eighth floor levels.

Amendments to planning permission dated 1st October 2021 (RN:20/06914/FULL) for, 'Variation of conditions 1, 31 and 35 of planning permission dated 4 March 2020 (RN 19/06767/FULL) (amended by 20/05397/NMA) which permitted the following development : Demolition of the existing buildings at 19-35 Baker Street, 88-110 George Street, 69-71 Blandford Street and redevelopment to create a mixed use scheme providing commercial uses and up to 51 residential units within a new ground plus nine storey building (and an enclosed plant area) on Baker Street; a new stepped ground plus four to ground plus six storey building on George Street; refurbishment, extension and the change of use of the first floor from office to residential at 30 Gloucester Place; creation of a single storey basement level linking the Baker Street and George Street buildings to provide car and cycle parking, refuse and servicing; creation of a new central, publicly accessible courtyard; removal of 5 trees and replacement trees across the site, a new publicly accessible route at ground level connecting Baker Street and Gloucester Place; associated plant, landscaping, replacement pavements in part and other associated works'. Namely, Works to the building, including changes to the East Elevation façade including additional non-openable windows, changes to the layout of the ground floor retail units, refurbishment of the roof, and other associated works

Variation of condition 1, removal of condition 38 and details pursuant to conditions 23 and 34 of planning permission dated 20 February 2017 (RN:16/10919/FULL) which itself varied condition 1 of planning permission dated 15 August 2016 (RN:15/11234/FULL) for substantial demolition of existing buildings and redevelopment of the site to provide a mixed-use scheme accommodating a new building comprising basements, ground floor and part eight upper storeys plus rooftop plant with frontages to Charing Cross Road and Manette Street; refurbishment of buildings on Greek Street; in connection with use of the buildings for offices, retail, restaurants, art gallery/art education use, nightclub and eight residential dwellings; provision within basements of plant equipment, waste rooms and cycle parking; new public realm and pedestrian route through the site from Manette Street to Greek Street; and associated external works. Namely, changes to internal layout of building with frontages to Charing Cross Road and Manette Street with use of part basement level 2 as back of house space, relocation of building maintenance unit to ninth floor, erection of steel deck within plant structure at roof level and changes to terrace areas and massing of building; alterations to rear of building, roof form and layout of residential accommodation and installation of plant machinery at 12-13 Greek Street; alterations to the link building; changes to windows on rear façade and increase in parapet height by 700mm at 14 Greek Street; Installation of second gate to ground level passageway; omission of requirement for obscure glass on south elevation; and provision of details of a scheme of public art and gates to the pedestrian route.