Variation of condition 1 of planning permission dated 8th June 2022 (RN: 21/07082/FULL) for the alterations to 6 Charles Street to include the erection of a single storey mansard roof extension and changes to the fenestration on Hays Mews elevation, partial demolition and rebuilding of 1 Hays Mews and amalgamation with 6 Charles Street; all to enlarge existing flats (Class C3). Creation of a courtyard at rear ground floor level of 1 Hays Mews and a terrace to the rear of 6 Charles Street at fifth floor level, installation of green roof areas to the main roof of 1 Hays Mews and the rear of 6 Charles Street at part fifth floor level. [SITE INCLUDES 1 HAY'S MEWS]. NAMELY, to allow external alterations to both Charles Street and Hays Mews elevations including replacement of entrance door and surround at 6 Charles Street, amendments to the window fenestration to mews internal lightwell, new rooflight and AOV vent; and internal alterations to apartment layouts. (Application under Section 73)

Variation of condition 1 of planning permission dated 19th March 2019 (RN: 18/07737/FULL) for 'Alterations to all elevations of the property to include the installation of balconies and extended windows to create doors; installation of plant at main roof level and lower ground floor level; use of lower ground floor as 6 residential flats (Class C3) and reconfiguration of the existing residential units on the upper floors of the property; extension at lower ground floor level within the existing lightwell and at all floor levels on the Hay's Mews elevation; alterations at main roof level including the creation of an internal residential amenity space' (SITE INCLUDES 27A HAY'S MEWS), NAMELY, to amend the drawings to remove of a number of balconies at all floor levels; relocation of the residential cycle parking; alterations to the layouts of residential units at ground and lower ground floor levels; new windows at ground and lower ground floor levels and use of render instead of the approved Portland Stone. (Application under Section 73)

Variation of condition 1 of planning permission dated 14 May 2021 (RN 20/01550/FULL) for excavation of a basement beneath the footprint of the original dwelling. Erection of additional mansard roof storey with dormer windows. Alterations to elevation to provide new windows. Merging the two existing flats into a single dwelling house. NAMELY, to amend and include additional windows and raise roof level.

Variation of condition 1 of planning permission dated 4th October 2022 (RN 22/00448/FULL) for the demolition of the existing hipped roof and construction of a roof extension, a rear extension involving the infill of an existing undercroft area at ground floor, the replacement of an existing link building (between the building fronting Chapel Side and Esca House to the rear) and an additional second floor storey, and the excavation of a basement under the main building, in association with the change of use of the ground and first to residential flats (Class C3). Replacement windows to the front and rear elevations, and the creation of a terrace and green roof on the rear extension roof at third floor level and a terrace at rear fourth floor level. NAMELY, to increase size of basement level and creation of associated lightwell; Alterations to fenestration; relocation and alteration of rear dormers; Internal changes to layout of residential accommodation; and associated external alterations.

Variation of condition 1 of planning permission dated 2nd November 2022 (RN:22/04118/FULL) for the 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). Namely, alteration of roof pitch to rear, changes to rear fenestration and installation of rooflights.

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.

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.

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.

Variation of Condition 1 of planning permission dated 12th November 2020 (RN 20/04650/FULL) which in itself varies Condition 1 of planning permission dated 20 June 2017 (RN: 17/02520/FULL) for, 'Demolition of the existing building and redevelopment to provide a five storey building consisting of lower ground, ground and first to fourth floor levels to provide 10 residential units (comprising of 3 x 1 bedroom flats, 4 x 2 bedroom flats and 3 x 3 bedroom flats) including balconies/terraces with associated car and cycle parking'; NAMELY, alterations to the front and rear facades including the re-handing of lower facade and basement lightwell and the installation of additional glazing; relocation of the building entrance; reconfiguration of the core adjacent to the western flank wall; changes to the number and size of the dormer windows at fourth floor front; installation of a curved window/brick wall at rear basement level; provision of a residents' gym at rear basement level; relocation of bin stores and cycle store to the external area beneath the undercroft and reduction in the number of flats from 10 to 8 (Site includes 17A, 17B and 18 Three King's Yard) (Application under s73 of the Act).

Variation of condition 1 (approved plans) of planning permission dated 14 March 2022 (RN: 21/06959/FULL) which granted permission for Removal of condition 5 of planning permission dated 04 November 2020 (RN: 20/05478/FULL) for the: Use of first and second floors as two self-contained studio flats (Use Class C3) and the use of part of the existing flat roof at rear first floor level as a terrace with high metal railings and planters. NAMELY, removal of annotation "existing window to be retained" so that annotation does not conflict with drawings showing a door.