Variation of condition 1 (and in turn condition 9) of the planning permission dated 21st December 2021 (RN:21/03579/FULL) for the Erection of a single storey roof extension above the existing circular parapet to provide one self-contained flat (Class C3) with associated roof terrace. Namely, extend the front terraces on both sides of the consented extension to the front of the building.

Variation of conditions 1 and 5 of planning permission dated 19th September 2023 (RN:23/01936/FULL) for the variation of conditions 1 (approved plans), 4, 7 and 11 of planning permission dated 10th June 2022 (RN:21/07603/FULL) for the Excavation of basement beneath footprint of building and new side extension, replacement side extension at increased height plus addition of window and balcony, erection of new single storey side extension, replacement doors to rear and creation of window to side (north side), infill extension in part of front lightwell and installation of external stair in front lightwell, installation of plant equipment in front lightwell and rear garden and associated alterations. Namely, to rear elevation, revised window (wrap around skylight) on extension and omission of terrace that previously approved, installation of contrast metal sheeting separating window/door. To left side elevation, installation of 2 frosted glass windows on second floor, one window on upper ground to rear/side extension serving secondary staircase, new grill at base for services ventilation. Revised skylight design to kitchen extension and removal of green roof. To right side elevation, installation of an upper ground floor full-height window, proposed frosted glass second floor window, roof plan, previously approved skylight design omitted in lieu of existing arrangement.

Variation of condition 1 of the planning permission dated 20 June 2013 (RN:12/09687/FULL) for the Use as nine residential flats (Class C3) and external alterations, including excavation of extended basement floor, erection of replacement rear extensions, formation of roof terraces, replacement of mansard roof extension and installation of mechanical plant at roof level to No.73, alteration and replacement of external railings and new windows and doors ; Namely , amendments to the layout and areas of residential demises and internal circulation strategy; Installation of sprinkler; Alterations to rooftop and basement plant layout and installation of plant to second floor terrace; Alterations to waste storage arrangements; and expansion of green roof at third floor level. (Linked to 23/00772/LBC)

Variation of condition 1 of planning permission dated 6th June 2023 (RN 23/00698/FULL) for the erection of single storey roof extension to rear courtyard building, replacement windows, installation of railings around a new front lightwell and associated works, all for use of enlarged building as 6 self-contained residential dwellings comprising 5 x1 bedroom and 1 x 3 bedroom units (Class C3). NAMELY, for a new lift to serve the residential flats; and new connecting ramp, which would link the front and rear buildings to provide level access.

Variation of condition 1 (approved plans) of planning permission dated 13th March 2023 (RN:22/07095/FULL) for the Erection of single storey rear extension at lower ground floor level. Namely, alterations to the design of the rear extension.

Variation of condition 1 of planning permission dated 04 March 2021 (RN: 20/05720/FULL) which itself varied condition 1 of planning permission dated 28th February 2020 (RN: 19/06301/FULL) for, 'Use of 22 Grosvenor Square, 43 North Audley Street and 1 Lees Place as a hotel, restaurant and private members club/bar (Sui Generis), with works including the infilling of the alleyway to the rear of 43 North Audley Street, partial demolition and rebuilding of 43 North Audley Street to provide a building of two storeys plus mansard, erection of a two storey extension to the rear facade of 1 Lees Place, including the extension of the basement floor to the front facade; installation of plant, the creation of a terrace at roof level of 22 Grosvenor Square and associated internal and external alterations'; NAMELY, changes to roof top plant, low-level plant enclosure at northern extent of level 5, inclusion of an emergency plant noise condition, and addition of attenuated louvre with decorative screening to the refuse store doors to ground floor in Lees Place. (S73 application)

Variation of condition 1 (approved drawings) of planning permission dated 15 May 2023 (RN 23/01784/FULL) for the erection of a mansard roof to create an additional residential unit with terrace and associated vertical extension of existing kitchen extract ducts; NAMELY, to vary the approved drawing to allow dismantling and rebuilding of the parapet wall at roof level, as existing, and permanently remove the existing pediment.

Variation of condition 1 (approved plans) of planning permission dated 30 September 2021 (RN: 21/04952/FULL) for variation of condition 1 of planning permission dated 12 May 2020 (RN:19/05711/FULL) for the: Demolition and redevelopment of the existing Porters Lodge to provide a replacement single dwelling (Use Class C3); erection of extension to the rear of Kings Court; facade alterations, including provision of balconies at ground and first floor level to the front elevation of Kings Court, restoration of the existing brickwork and addition of limestone cladding, upgrades to the fenestration; landscaping of the site; provision of terraces to the rear and side of Kings Court. NAMELY, introduction of fire escape leading from the roof of the extension, down to the upper ground floor level including staircase.

Variation of condition 1 of planning permission dated 16th November 2021 (RN: 21/05242/FULL) for Erection of rear extension, formation of lightwell and associated excavation to lower ground floor level; glazed conservatory at rear ground floor level with associated balcony and stair; partial demolition of existing closet wing and replacement with raised roof level; installation of dormer window, roof light and AC units at roof level and associated works. NAMELY, installation of an alternative air conditioning unit and replacement of its enclosure with an acoustic screen at roof level.

Variation of condition 1 of planning permission dated 11 October 2021 (RN: 21/05641/FULL) for erection of a single-storey extension with green roof and erection of a single-storey glazed side infill extension, all at rear ground floor level; NAMELY, to allow for solid construction with a bi-folding door on rear elevation of side infill extension, to omit vertical glazed portion by altering glass roof angle and lower height of rainwater gutter of side infill extension, to move rainwater gutter outside of external wall cavity and to lower the finish floor level to improve floor to ceiling height.