Excavation of basement with lightwells to front; Demolition and replacement of rear extension at lower ground floor level with terrace at ground floor level; Excavation to lower ground floor and rear garden; Use of garage for additional internal accommodation; Installation of plant machinery to rear; Demolition of garden house; Replacement of windows throughout (part-retrospective); Landscaping works to front and rear gardens; and associated external and internal alterations. (Linked to 23/04726/LBC)

Variation of Condition 1 of planning permission dated 11th February 2020 (RN:19/07252/FULL) for: Alterations in connection with the reversion of the building to use as a single family dwelling, including removal of and rebuilding rear stable block, extension to main house and formation of basement and sub-basement levels; removal of garage building and erection of a replacement garage/ sub-station building; raising mansard roof trusses; and associated internal alterations, landscaping and associated works NAMELY, to allow new external security cameras. (linked to 22/08560/LBC)

Variation of Condition 16, Phase (4) of planning permission dated 15 December 2021 (RN 20/03623/FULL) for the amalgamation of two maisonettes to create a single dwelling house [Class C3], excavation beneath the footprint of the existing building and excavation of part of rear garden at lower ground floor level. Demolition of the existing extension to the rear and construction of a new lower ground and ground floor rear extension. Repair work to the facade, alteration to street frontage in line with the street and landscaping to the rear garden. Installation of acoustically attenuated condenser to the rear garden. NAMELY, removal of Phase 4 part of condition 16 entirely and / or varied to allow for report provided with this application to be acceptable to discharge the condition.

Variation of condition 1 of planning permission dated 08 March 2021 (RN: 20/03732/FULL) for the: Single storey rear extension with external landscaping following demolition of existing side and rear additions; Rear extension to existing flat-roofed North East Bay; New metal fence and Entrance gate; Rear skylight to replace existing, plant, all in connection with use as single dwellinghouse. NAMELY, alteration to, and introduction of windows and doors; replacement of existing timber side entrance to be rendered to match the main house; metal railings to the front elevation; traditional cast iron railings to rear elevation; soil vent pipes to rear and side elevations; ridge tiles to the south east bay; and retention of the flank wall in yellow stock brick instead of the approved rendering.

Excavation of basement under the footprint of the house , part front and rear gardens ,landscaping to front and rear gardens. Refurbishment of existing house, demolition of the north side wing and its rebuilding as a 3 storey addition , raising of the height of the flat to the side south wing, rear extension at lower ground floor, rear and side dormers and other external alterations

Alterations and extensions to the Ritz Hotel and William Kent House including the change of use of the casino to a dual flexible use as hotel and/or private members club, a two storey side extension to William Kent House, extensions to the Ritz hotel including on the site of 22 Arlington Street comprising an extension of five basements, lower ground, ground, mezzanine and seven upper floors to provide additional hotel floorspace, new and upgraded hotel facilities including hotel rooms, restaurant and spa, new entrances on Arlington Street, arrival and drop off facilities, changes to the servicing and refuse facilities, car and cycle parking, plant, landscaping and all works including demolition, enabling, highways and other ancillary works.

Refurbishment and reconfiguration of the existing Bush House South-West Wing including an extension at roof level, rear extension; minor demolition works associated with internal and external alterations to provide class E at ground floor and dual alternative use for either Class E (office) or Class F1 (educational) at basement, part ground floor and first to tenth floor, outdoor terraces, hard and soft landscaping and associated works.

Variation of condition 1 of planning permission dated 01 February 2017 (RN: 16/07799/FULL) for 'Alterations including erection of extensions at rear lower ground, ground and first floor levels, creation of roof terrace at rear third floor level, replacement of non-original windows, external repair works and landscaping'. Namely, to allow amendments including repairs to the front and rear elevations and roof coverings; adjustments to the access hatch to the roof, omission of the approved walkway and handrail and re-siting of the chimneystack to its original position; repair and rationalisation of pipework; alteration of rear French door design and provision of double glazing in the conservatory; enclosing of the rear lightwell between the main house and extension at lower ground level with rooflights; alteration of landscaping in the garden and terrace areas; and internal refurbishment works.

Erection of a rear lower ground floor extension with glass rooflights; rear ground floor terrace and associated balustrade; upper ground floor fenestration changes with Juliet balcony rails; rear garden landscape changes; alteration to first floor rear window with associated Juliet rails; changes to front second floor window cill; new rooflights to main house roof; and new bin store and bike store to front garden.

Variation of Condition 1 of planning permission dated 05 June 2020 (RN: 19/08751/FULL) for, 'Erection of rear extensions at second, third and fourth floor levels to incorporate a new lift; demolition of existing mansard roof and erection of replacement mansard; demolition and replacement of rear courtyard floor slab; installation of air conditioning units at roof level and under pavement basement vaults; demolition and rebuild of two chimney stacks on the mews; replacement of windows on all elevations of the main house, demolition and re-building of rear ground floor toilet annexe, and associated internal and external works'; NAMELY, to allow the reduction in width of the consented new southern rear windows on the second, third and fourth floors; amendment to consented rear walk on roof light panes in courtyard to align glazing bars with door openings above; addition of wall lights either side of front light well basement entrance door; addition of security cameras on the front and rear ground floor elevations; installation of an intercom to the right of the main entrance door; new handrail and balusters to staircase between second and fourth floor; and various internal alterations to all floors, landscaping works to the rear courtyard comprising rendering; stone paving; installation of light fixtures and installation of trellis panels.