Conversion of existing single-family dwelling into 4 dwellings (1x 1 bedroom flat at basement, 1x 2 bedroom flat at lower-ground floor, 1x 1 bedroom flat at ground floor level, and 1 x 4 bedroom maisonette at first to fourth floor), including new bathrooms and kitchens, and an extension at rear lower-ground and ground floor level including roof terrace at first floor level, erection of an extension at roof level and installation of new windows and doors to the rear elevation (Linked to 23/04950/LBC).

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.

Removal of rear conservatory and replacement with new rear extension to lower ground floor level with associated works to rear patio and boundary wall; Removal of infill extension to the front lightwell at lower ground floor; Demolition and rebuild of the rear section of the third floor level; Installation of skylight and replacement of windows to existing side wing; Replacement of rear ground floor balconettes; Installation of new raised planting bed to existing front lightwell; Excavation of new basement level beneath building footprint, part of front and rear garden; and installation of plant machinery within existing front vaults (Linked with 22/06681/LBC)

Variation of Condition 1 of planning permision dated 16 October 2023 (RN: 23/05842/FULL), which itself varied planning permission dated 22 December 2022 (RN: 22/06621/FULL) for: Reconfiguration of two residential units to form one unit within Nos. 25, 26 and 48; and new residential unit within No. 49; installation of four condenser units, two on each of the roofs of Nos. 25 and 26; and extension at rear third and fourth floor level of No. 25 and associated works (site includes 25-26 Chester Square and 49-48 Eaton Mews South). NAMLEY, to allow works to front lower ground floor including new York stone paving to lightwell with single step below external staircase, new timber sash window with sidelights, new security railings to both windows in lightwell at no. 25, to match no. 26 existing railings; new York stone paving at no. 26, lightwell, and new Portland stone to both no. 25 and no. 26; rear elevation works include new glazing and glazing bar layout to external door to rear elevation, omit proposed screen between 25 and 26 terraces, new metal railings to coping at no. 25 terrace, and new double dormer; new front door, garage gate and associated fanlights at no. 48.

Enlargement of rear lightwells and erection of rear extensions at lower ground floor, use of garage as habitable accommodation and associated replacement of garage door with window, replacement windows in rear extension, replacement rooflights, erection of storage/plant enclosure to rear, erection of trellis to rear boundary wall, removal of tree in front garden; alterations to front gate and railings and associated landscaping as well as internal alterations across all levels. (Linked to 22/08125/LBC)

Mansard roof extension, upper ground floor and first floor rear extension, stair to garden from upper ground floor, alterations to fenestration in rear elevation at lower and upper ground floor, and combining lower ground floor with upper ground floor to create a three-bedroom maisonette, with first floor, second floor and third floor forming a four-bedroom maisonette.

Variation of condition 16 of the Appeal A Ref: APP/X5990/W/20/3257557 of planning permission dated 17 February 2020 (RN 19/08646/FULL) for rear extensions at basement and ground floor level with associated alterations to front and rear fenestration in connection with the ground and basement flat at 98 Ebury Street. NAMELY, to allow the ground floor extension to extend the full width of the rear garden from party wall to party wall, as is the case for both No. 98 and No. 100 Ebury Street. (Linked to 23/04263/LBC)

Excavation of basement storey beneath house and rear courtyard, rear single storey infill extension to courtyard with fully glazed roof, installation of Juliet balcony to side elevation at first floor and enlargement of existing bathroom window, new window at second floor to rear elevation and new dormer window to rear elevation at second floor. Installation of 2 windows to second floor flat roof, replacement of the existing roof covering; Installation of ASHP plant within rear courtyard and installation of solar panels to existing second floor flat roof.

Details of new windows, door sets under entrance bridge, louvres and doors to vaults, new light fittings to entrance, and front parapet extension pursuant to condition 7(i)(v)(vi)(ix)(xi) of planning permission dated 31 August 2023 (RN: 23/01615/FULL).