Variation of condition 1 of planning permission dated 01 March 2012 (RN:11/11498/FULL) for use of part ground and upper floors as a single dwelling house (Class C3). Demolition of part of the existing two storey rear extension at ground and first floor level to create an open patio area. Construction of rear extension at second floor level. Removal of part of the existing roof and attic space to create a roof terrace and rooflight and screen to front elevation. Alterations to front and rear elevation windows and doors. NAMELY, repositioning of metal balustrade and extension of flank parapet wall.

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.

Variation of condition 1 of listed building consent dated 09 October 2020 (RN: 20/05058/LBC) for the: Variation of Condition 1 of the listed building consent dated 23rd July 2019 (RN: 19/04368/LBC) for 'Internal and external alterations including erection of rear extension at ground floor level, swimming pool at lower ground floor level, alterations to rear courtyard in connection with use as a single family dwelling house. Namely, to allow the installation of external lighting to the ground floor front entrance and the first floor balconies, installation of crossbars at high-level below the rooflight in the main stairwell to hang two chandeliers, repairs and alterations to the existing fireplaces and hearths, and installation of supplementary mechanical ventilation to part of second and third floor levels.

Variation of condition 1 of planning permission dated 19th July 2021 (RN 21/02117/FULL) for the erection of roof extension at fourth floor level to enlarge dwellinghouse (Class C3), renewal of the roof terrace trellis and planters, reduction of garage door width and addition of new section of wall with a casement window to rear elevation. NAMELY, alterations to Lower Ground floor, the proposed metal Garage shutter is replaced with a timber horizontal sliding door to match existing at 25; At Lower Ground floor, the new addition of wall with a casement window to rear elevation will be cladded with timber to match the Garage door finish; All the existing windows throughout the house will be replaced with new timber windows to match existing and providing better thermal insulation and a new walk-on rooflight with etched glass is added to the Front Terrace to provide natural light to Bathroom 1 (S73 application).

Variation of condition 8 of listed building consent dated 12 April 2018 (RN:17/09924/LBC) for the: Use of 8 Grosvenor Square and 1a and 2 Duke's Yard as a single family dwelling with rear extensions to 8 Grosvenor Square at second to fourth floor levels; infilling of east lightwell and creation of terrace at third floor level; new plant room at roof level. Demolition of ground and first floor rear extension to 1a and 2 Duke's Yard and replacement with new building on sub-basement, basement and ground floors with extended garden terrace to main house over. Use of 1 Duke's Yard as a single family dwelling. Associated internal and external alterations to all buildings. [Site includes Nos.1, 1a and 2 Duke's Yard]. NAMELY, to allow alterations to the roof plant ductwork, attenuator and air intake/exhaust; amendment to flue; introduction of hoop iron and lanterns to railings at Brook Street elevation; amended CCTV positions at Brook Street Elevation & Courtyard East Elevations; and internal amendments to the swimming pool, garages and stairs. (S19 application).

Variation of condition 1 of planning permission dated 12 April 2018 (RN:17/09922/FULL) for: Variation of condition 2 of planning permission dated 11 September 2015 (RN 15/03469/FULL) for "Use of 8 Grosvenor Square and 1a and 2 Duke's Yard as a single family dwelling with rear extensions to 8 Grosvenor Square at second to fourth floor levels; infilling of east lightwell and creation of terrace at third floor level; new plant room at roof level. Demolition of ground and first floor rear extension to 1a and 2 Duke's Yard and replacement with new building on sub-basement, basement and ground floors with extended garden terrace to the main house over. Use of 1 Duke's Yard as a single family dwelling. Associated internal and external alterations to all buildings. NAMELY, to allow alterations to the roof plant ductwork, attenuator and air intake/exhaust; amendment to flue; introduction of hoop iron and lanterns to railings at Brook Street elevation; amended CCTV positions at Brook Street Elevation & Courtyard East Elevations; and internal amendments to the swimming pool, garages and stairs. (S73 application).

Variation of condition 1 of listed building consent dated 11 February 2020 (RN:19/07253/LBC) 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 alterations to 1st floor balcony, to the outdoor kitchen and plant store room/store roof from green roof to terrace with pergola roof. (Linked with 21/04522/NMA)

Variation of condition 1 of listed building consent dated 11 February 2020 (RN:19/07253/LBC) 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 Yoga Room at 1st floor green roof area and the enhancement of the green roof planting adjacent to Peninsula Hotel. (Linked with 21/04521/NMA)