Amalgamation of flats 4 & 5 to provide a 4-bedroom unit over three floors; raising of existing mansard roof to create an enclosed terrace at fourth floor level; replacement of the dormer windows at third floor level and addition of one extra dormer; and provision of a new balcony at 3rd floor level accessed by converting a window into a door; internal alterations (Linked with 22/05464/LBC)

Use of part basement, part ground and first to fourth floor as four residential flats (Class C3). External alterations including the creation of a roof terrace enclosed with railings with a perimeter living roof, installation of replacement windows and installation of stair to front lightwell.

Variation of condition 1 of planning permission dated 19 April 2021 (RN: 20/04541/FULL) for the: 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 of central core and floors and associated replacement to improve sustainability, acoustic and fire safety performance; modifications to ancillary uses within basement, including provision of ancillary kitchen and restaurant area serving guests of Bechstein Hall; kitchen extract and ductwork to be localised; introduction of entrance gates to main front entrance; minor amendments to plant at the rear; and provision of open pergola walkway on the roof at the rear.

Formation of a new roof terrace to serve existing flats, including new railings, timber screening, openable sliding rooflights, existing lift overrun enclosure extended to allow for a new internal staircase, alteration of existing extract vent, roof slate at lower roof level replaced, replacement timber double glazed windows including blocking in a window and the formation of new windows to suit the reconfigured internal layout, replacement residential entrance door, 2 new air source heat pumps (ASHP) at roof level, trellis with planting and green roof.

Erection of a rear roof extension at third floor level with a sedum roof to the rear; replacement of windows at second floor level with double glazing timber windows; replacement of door and window to the existing rear first floor extension with double glazing timber windows including replacement of roofing; and associated works all in connection with the use of the first to third floor as four flats (Class C3).

Use of first and second floors as two residential flats, ground floor and front elevation alterations to provide access, replacement of windows, alteration to rear elevation at roof level and window to first floor changed to doors for terrace, inclusion of solar panels to rear roof and raising the rear roof brickwork.

Variation of condition 1 of planning permission dated 14th February 2019 (RN:18/10787/FULL) for the Erection of single storey roof extension to create new eighth floor and extensions at sixth and seventh floors to allow the enlargement of two residential flats (Class C3), alterations to shopfronts facing Park Lane and associated external alterations. Namely, to infill part of the terrace at eighth floor level to provide additional residential floorspace, additional glazing at eighth floor level, to amend the window configuration at the 6th and 7th floor level, and the new extension at 8th floor level, glazing to be reduced on the west elevation, extensions and associated guardings on the north and south elevations, raise the rear central projection by 300mm, central space to be moved back to align with the seventh floor at roof level.

Internal alterations to the independent restaurant entrance facing Whitehall Place; alterations to windows within the internal lightwell for the removal of previously required window AOVs, re-introduction of windows at lower ground floor level facing the quadrangle lightwell; alterations to roof terrace level access to apartment 74 at seventh floor level; internal alterations to hotel layout at fifth floor level; internal alterations to commercial spaces and car park layout at basement 1, lower ground and ground floor level and introduction of fire rated secondary doors at the second floor level; and other associated works (these works are in addition to those approved under listed building consent dated 23.06.2021 ref. 20/04928/LBC and listed building consent dated 22.11.2021 ref. 21/06746/LBC

Replacement of roof, windows, doors and associated alterations to front and rear elevations; Replacement of rear dormer with larger dormer, installation of rooflight and creation of balcony at roof-level; Creation of balcony at ground floor level with new stair access leading to rear garden; Formation of new windows and doors to rear at ground and lower ground floor levels; associated with reconfiguration of existing flats (1 x 1 bed and 1 x 4 bed).

Amendments to planning permission dated 29 June 2021 (RN:20/04931/FULL) for Variation of Conditions 1, 10, 12, 13, and 40 of planning permission dated 19 March 2018 (RN: 17/09368) for: amendments to the Quadrangle courtyard including amendments to the cobble layout, installation of a sesame lift, installation of rising bollards within carriageway entrance, amendments to kerb levels within the Quadrangle; amendments to roof top bar at sixth floor level and flexible use as C1/A3/A4, installation of additional windows to the fifth floor and installation of external grilles to the to the east and north elevations; namely, to allow alterations to the independent restaurant entrance facing Whitehall Place; alterations to windows within the internal lightwell for the removal of previously required window AOVs, re-introduction of windows at lower ground floor level facing the Quadrangle lightwell; alterations to roof terrace level access to apartment 74 at seventh floor level; internal alterations to hotel layout at fifth floor level; internal alterations to commercial spaces and car park layout at basement 1, lower ground and ground floor level and introduction of fire rated secondary doors at second floor level.