Amendments to planning permission dated 04 December 2019 (RN: 19/06876/FULL) for Variation of Condition 1 and 6 of planning permission dated 31 May 2019 (RN: 19/00910/FULL) for: Extension and reconfiguration of ground and lower ground floors of the Hotel to create additional floorspace beneath a new atrium for conference and event purposes; creation of new retail unit and a reconfiguration of existing restaurant facing Marylebone Lane with alterations to the ground floor facades; amalgamation of a 1 and 2 bed residential unit at first floor level of No 4 & No 6 Mandeville Place and a rear first floor extension to create a family sized residential unit. Use of ground and lower ground floors of No.4 Mandeville Place as Class D1; NAMELY, to vary the description of development and the addition of the following condition No 29 : "Other than the amalgamated residential unit and additional hotel floorspace, the development hereby permitted shall comprise a retail unit (Class E(a)) and restaurant (Class E(b)) at lower ground and ground floor fronting Marylebone Lane and use of the ground and lower ground floor of no.4 Mandeville Place as Medical Services under Class E (e)."

Amendments to planning permission dated 30 March 2022 (21/07642/FULL) for the variation of Conditions 1, 20, 21, 23, 24 of planning permission dated 16th March 2021 (RN 20/04933/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; 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, Street scape enhancements (Front elevation - Carlton House Terrace and Facade realignment); Amenity enhancements (Inclusion of glazed doors to external terraces (west elevation), external terraces and Level 10 Roof Access) and Detailed design and technical amendments (Widening of the central 'core strip' and Balustrade Position at level 10).

Amendments to planning permission dated 8th August 2017 (RN 16/12291/FULL) for the Variation of Condition 1 of planning permission dated 2 April 2015 (RN: 14/08070/FULL) for Demolition of existing Barracks buildings (except for the listed Riding School) and redevelopment for residential use (Class C3) to provide a total of 163 units including 59 affordable units . Use of the listed Riding School as private ancillary leisure facility with internal and external alterations. Provision of Class A1/A3 retail units and Class D1 at ground level at 1 - 7 Queen's Terrace, redevelopment behind the retained front facade and the erection of a mansard roof extension ,creation of landscaped areas and reconfigured vehicular and pedestrian access together with associated works including the provision of parking, circulation space, servicing and plant area and use of the listed Riding School as a private ancillary leisure facility, associated internal and external alterations, new side extension and the excavation of a lower ground floor beneath the Riding School. Namely, to allow a reduction in the basement volume; reduction in market housing car parking numbers (affordable housing parking spaces remain unchanged); amendments to the phasing plan, with the entirety of the basement to be delivered in phase 1; adjustment of Block 4b changing this to an apartment building within the overall massing of the consented Block 4b houses envelope including associated roof level changes which increases the number of residential units within the consented range; and adjustment to the mix of units within the market housing accommodation.

Amendments to planning permission dated 13 January 2022 (21/05212/FULL) for Variation of Conditions 1 and 19 of planning permission dated 12 October 2017 (RN: 17/01327/FULL) for the 'Erection of a two storey roof extension and infill extension at rear ground to fifth floor levels to provide additional office accommodation (Class B1). Use of the basement and ground floor levels to provide retail (Class A1) and restaurant (Class A3) uses. Complete facade refurbishment to all elevations. Provision of terraces at rear second to seventh floor levels. Installation of mechanical plant and lift overrun within an enclosure at roof level namely, to amend the wording of Conditions 5 and 18 to remove reference to 'you must not start work' and replace this wording with 'you must not start any work on these parts of the development'.

Amendments to planning permission dated 03 March 2020 (RN 19/09468/FULL) for 'Variation of condition 1 of planning permission dated 09 January 2018 (RN: 17/07421/FULL) for the 'Part demolition, alteration and extension of main building and rear wing to provide a building of two basements, ground and part eight, part three upper storeys accommodating retail (Class A1), restaurant (Class A3) and office (Class B1) floorspace; alterations to facades including replacement shopfronts and glazing; provision of roof terraces, plant and associated works'. Namely, internal layout changes to Ground, Basement 1 and Basement 2 floors.

Amendments to planning permission dated 25th November 2020 (RN 20/04800/FULL) for the variation of condition 1 of planning permission dated 15 May 2020 (RN: 19/09635/FULL) for the: Erection of infill extension at basement level in order to enlarge existing office (Class B1), use of part ground floor on Mount Street elevation as a shop (Class A1) accessed from existing bay, erection of roof extension to enlarge existing flat (Class C3), insertion of new windows and doors on the north and east elevations, creation of a residential terraces at third floor level and provision of plant within existing vaults. NAMELY, addition of roof windows to southern elevation and to enclose fifth floor lightwell.

Amendments to planning permission dated 24 September 2020 (RN: 20/01378/FULL) for the: Variation of condition 1 of planning permission (RN: 19/04422/FULL) for the Ground plus 14 storey extension along Bressenden Place to provide Class B1 (office) accommodation and Class A1 (retail) accommodation at ground floor. Use of Level 28 and new pavilion extension at main roof level for restaurant and bar (sui generis) use. The installation of two external lifts on the northern elevation of the building. Works to the existing building façade, including the replacement of the treatment of the top of the building, the replacement of the existing windows and the cleaning of the existing façade and associated works. The reconfiguration of the existing ground and first floor to provide Class A3 (restaurant) accommodation, the provision of a flexible Class A1/A3 (retail/restaurant) unit at ground floor, the use of the basement for Class A3, Class B1 (office), flexible Class A1/A3/D2 (retail/restaurant/gym). Removal of part of the existing canopy, works to the public realm, the provision of cycle parking spaces and associated works. NAMELY, to add a condition 46 to state 'The development hereby permitted shall be carried out in accordance with the approved CIL phasing programme: - Phase 1 as shown on Gensler drawing PL-200-PAINTING which includes the dismantling and removal of the Big Painting; and - Phase 2 comprised of the wider works approved by planning permission 20/01378/FULL.'

Amendments to planning permission dated 21 December 2016 (RN: 16/09313/FULL) as approved under appeal dated 23 June 2017 (RN: 17/00024/TPCON) for variation of Conditions 16 and 17 of planning permission dated 9 October 2014 (RN: 13/12442/FULL) for reconfiguration of the ground and first floors to provide a supermarket (Class A1) at part ground floor and first floor levels with three retail shop units (Class A1) and two restaurant/ cafe units (Class A3) at ground floor level, extension to Porchester Road and Bishop's Bridge Road elevations to infill existing colonnade and create entrance lobby to supermarket, infilling of basement vents to Bishop's Bridge Road, alterations to street facades, amendments to rear service yard, installation of mechanical plant and associated public realm works. NAMELY, to allow amalgamation of Units 4 and 5 facing Bishop's Bridge Road to form one retail unit for use as a mixed retail shop and restaurant use (Sui Generis) (Site also known as Unit 4, Bishop's Quarter, Bishop's Bridge Road), NAMELY, for the painted boiler flue to protrude through approved louvre to Porchester Mews elevation.

Amendments to planning permission dated 19 March 2018 (17/09368/FULL) for Variation of Conditions 1, 13, 16, 7(a), 9, 38 & removal of Condition 40 of planning permission dated 10 July 2017 (16/09548/FULL) for; Alterations to the existing building including creation of new entrances; alterations to bottle balustrades & parapets; extensions to create three additional storeys; two additional basement storeys; partial demolition & reconstruction of the central wing; demolition, reconstruction & extensions to the Triangular Courtyard facades; external alterations to Quadrangle facades; creation of external terraces at fourth, fifth, sixth & seventh floor levels; addition of entrance canopies; alterations to security walls & bollards & the removal & replacement of street trees; all in connection with change of use from offices (Class B1) to a hotel (Class C1) comprising up to 125 hotel bedrooms/suites with flexible hotel/retail/restaurant/bar use at part ground floor (Class C1/A1/A3/A4), flexible hotel/restaurant use at part lower ground, part ground & part second floors (Class C1/A3); flexible hotel/bar use at part fifth & part sixth floors (Class C1/A4); flexible retail, leisure, restaurant or bar use at part ground floor (Class A1/D2/C1/A3/A4), leisure/spa facilities within the basement levels & part lower ground floor (Class D2/C1) ancillary ballroom, event space & meeting rooms, food & beverage facilities, back of house facilities & associated car & cycle parking & servicing facilities; creation of up to 88 residential dwellings (Class C3) with ancillary communal amenities, & associated car parking, cycle parking & servicing facilities; namely, amendments to the Quadrangle courtyard paving, amendments to internal layout of two residential units; installation of additional windows to fifth floor; installation of external grilles to the east and north elevations.

Amendments to planning permission dated 4th March 2020 (RN 19/06767/FULL) which permitted variations to conditions 1 and 24 of planning permission dated 27 March 2019 (RN: 16/11376/FULL) : Namely to amend the description of development to read as follows: Variation of conditions 1 and 24 of planning permission dated 27 March 2019 (RN: 16/11376/FULL) for the: 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.(Linked application 16/11377/LBC) AND; amendments including internal reconfigurations to 30 Gloucester Place and changes to approved plant layout, amendments to the ground floor retail shopfronts on the 19-35 Baker Street building; internal reconfigurations to 88-110 George Street resulting in a re-distribution of the residential mix, a change to the residential entrances, amendments to rooftop plant and green roofs, replacement of glazed windows with blind windows on the north, east and west elevations, and amendments to courtyard landscaping and green roofs of courtyard buildings.