Amendments to planning permission dated 11th August 2023 (RN:23/00368/FULL) for variation of Condition 1 of planning permission dated 16 February 2017 (16/10409/FULL) for the use of part basement, part ground floor level and first to fourth floor levels and the erection of a mansard roof extension at fifth floor level to provide 14 residential flats (Class C3). Provision of external terraces at rear second, third, fourth floor and fifth floor level. Installation of mechanical plant at fourth and fifth floor level. Lowering of the existing basement vault floor below Andrew's Crosse by 0.5m and installation of new lightwells and railings at basement and ground floor level on the Andrew's Crosse elevation. Associated alterations to windows on the front and rear elevation and associated internal alterations at 116-118 Chancery Lane and removal of part of the external staircase adjacent to 115 Chancery Lane and alterations to the roof profile at rear fifth floor level and relocation of plant; namely, alterations to the size and number of dormers to the rear roof extension serving Flat 4.1 and installation of a new roof access enclosure to the front part of the roof area and insertion of a high level window at basement level; namely, alterations to the cycle store within the basement.

Amendments to 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, consisting of the provision of new door height railing gates to the main entrance, new openable railing gates to the eastern side of the main entrance, and insertion of French doors to the eastern ground floor shopfront.

Amendments to planning permission dated 27 March 2019 (RN: 17/02394/FULL) for alterations and extensions, including demolition and reconstruction of rear extensions, excavation of basement floor, removal of tree, alterations to front boundary wall, installation of mechanical plant, erection of cupola at roof level, use of part of garden to rear of No.8 Ordnance Hill, and internal works to all floor levels in connection with the use of the building as five residential apartments (2x3 bed, 2x2 bed, and 1x1 bed flats); namely, the insertion of a new sash window to match the existing windows in the East elevation of the original chapel building; the introduction of powder coated aluminium windows within the new rear block, providing a consistent design approach within this new part of the building, and allowing an enhanced environmental performance to be achieved; and the simplification of the façade treatment of this new part of the building, (simplified cornice detailing, omission of window surround detail)

Amendments to planning permission dated 07th April 2021 (RN:21/00366/FULL) for Removal of condition 12 of planning permission dated 01 May 2020 (RN: 20/01459) which itself varied condition 1 of planning permission dated 12 February 2013 (RN: 12/12483)for the: internal and external alterations (comprising new windows at roof level, lift overrun green roof skylight, removal of lightwell insertion of new doors at lower ground floor level and creation of roof terrace at rear ground floor level) in connection with the conversion of the existing building from office and residential flats into a single family dwelling to vary the approved drawing numbers to allow the introduction of an additional roof light to the north east of the roof, a replacement walk on roof light to the west of the roof and an extension to the lift overrun box, set into the existing area of flat roof and plant access. Namely, the lift over run box is to be in toughened clear glass.

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 29 June 2021 (RN: 21/02601/FULL) (which varied planning permission dated 23 December 2020 (RN: 20/06388/FULL)) for 'Amalgamation of 2-4 Old Queen Street and 6 Old Queen Street; erection of infill extension at rear first and second floor level, roof extension with front dormer and lift overrun at fourth level to 6 Old Queen Street; alterations to rear fenestration; new rooflight; new shopfronts; and rationalisation and installation of new plant and air condenser units; all in connection with the use of the ground floor as a café and office entrance, first, second and part third floors as office and third and fourth floor as one residential unit. (Site includes 6 Old Queen Street)'. NAMELY,amendments for the repositioning of rear windows; alteration of plant equipment and installation of plant screen; internal alterations; and reducing the number of rooflights from 4 to 3.

Amendments to planning permission dated 29th June 2021 (RN: 21/02601/FULL) for 'Variation of Conditions 1 and 10 of planning permission dated 23 December 2020 (RN: 20/06388/FULL) for amalgamation of 2-4 Old Queen Street and 6 Old Queen Street; erection of infill extension at rear first and second floor level, roof extension with front dormer and lift overrun at fourth level to 6 Old Queen Street; alterations to rear fenestration; new rooflight; new shopfronts; and rationalisation and installation of new plant and air condenser units; all in connection with the use of the ground floor as a café and office entrance, first, second and part third floors as office and third and fourth floor as one residential unit'. NAMELY, changes to the shopfront of 2-6 Old Queen Street including replacement of windows with tall sash windows and introduction of wall mounted light fittings.

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 20 June 2016 (RN: 15/10444) for: Variation of Condition 1 of planning permission dated 8 December 2011 (RN10/01741/FULL) for development of 55-91 Knightsbridge (including retention of Knightsbridge and William Place facades) to provide retail (Class A1) at basement and ground floor levels, office ( Class B1) at part ground, first, and second floor levels and residential flats at part ground, part first,part 2nd and 3rd to 5th floor levels. Off street servicing and new sub basement car park. Removal and replacement of existing tree on William Street. Demolition of 1-2 William Street and its replacement with a redesigned building with internal linkages to 55-91 Knightsbridge. Restoration and repair of external facades and roofs to 3-7 William Street including reinstatement of original roof profile at 4 William Street, conversion of 1st to 3rd floor levels of 3 and 4 William Street for residential purposes ( Class C3). Namely, the substitution of new drawings to allow minor material amendments comprising a revised number and mix of residential units; the provision of a terrace for a residential unit on the western end of the building; erection of a lift shaft to the rear of 4 William Street; alterations to shopfront of Nos. 3 - 4 William Street; extension at 4th floor level to the rear of Knightsbridge; and reconfiguration of the fenestration. Namely, amendment to the external air vent at 4 William Street.