Variation of Condition 12 (i) of listed building consent dated 3 July 2013 (RN:12/07766/LBC) for demolition and rebuilding of rear section of building, excavation to create a two storey basement, extensions and associated refurbishment of Grosvenor Gardens House, to provide 42 residential units (Class C3) on first to seventh floors; reconfiguration at ground floor level to provide mixed retail use (Class A1 and/or Class A3); wellness facility, residential storage, plant, car and cycle parking at basement levels; and public realm works to Eaton Lane (23-47 Grosvenor Gardens and 44-52 Buckingham Palace Road). NAMELY, to amend the wording of Condition 12(i) to enable the removal and storage of historical doors during the construction phase of the development.

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 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 conditions 1 and 9 of Listed Building Consent dated 03 July 2013 (RN: 12/07766/LBC) for the: Demolition and rebuilding of rear section of building, excavation to create a two storey basement, extensions and associated refurbishment of Grosvenor Gardens House, to provide 42 residential units (Class C3) on first to seventh floors; reconfiguration at ground floor level to provide mixed retail use (Class A1 and/or Class A3); wellness facility, residential storage, plant, car and cycle parking at basement levels; and public realm works to Eaton Lane (23-47 Grosvenor Gardens and 44-52 Buckingham Palace Road). NAMELY, to amend the housing mix, car parking provision, basement excavation, building entrances, additional plant equipment, a revised sustainability strategy and a revised internal layout. (Linked with 21/06372/FULL)

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)

Variation of condition 1, condition 4 (parts a, d, e, g, h, I, j, k) and condition 5 (parts i, iv, v, vii, viii, x) and the removal of condition 4 (parts b, c, f), 5 (parts ii, iii, vi and ix) and 8 of listed building consent dated 3 December 2020 (RN: 20/03709/LBC), which itself varied Condition 1 of listed building consent dated 3 April 2018 (RN: 17/10530/LBC) for 'Alterations to the existing building including removal of existing roof top plant and extension to create an additional storey at fifth floor with tiled mansards and lead clad dormer windows to front and rear; a single storey extension at fourth floor comprising a glazed dome above the existing rear bow; installation of plant at roof level; partial infilling of lightwell adjacent to Gwydyr House; facade cleaning and other facade repair; internal alterations including reconfiguration, fabric removal, and refurbishment works on all floors; refurbishment of meetings rooms, entrance reception and offices; installation of new heating and cooling equipment; provision of a glazed research pod in the library; installation of light-boxes above the central stair and library, and other associated works'. Namely, to allow amendments to the approved scheme that include the installation of a proposed smoke extract system to mechanically ventilate new smoke lobbies to the secondary staircase; the removal of the lift access to the new fifth floor level and associated rooftop overrun; internal alterations at fourth and fifth floor levels; and alterations to ducting at roof level.

Variation of condition 1 of listed building consent dated 14 April 2020 (RN 20/00004/LBC) (which varied listed building consent dated 29 April 2016 (RN: 15/10368/LBC)) for 'Substantial demolition and redevelopment behind retained front facades as well as the demolition and reconstruction of mews properties to create two single family dwelling houses. Associated alterations and extensions include subterranean basements, which will extend beneath the mews, part courtyard and the rear sections of the listed buildings; re-instatement of the party wall in the rear courtyard; re-instatement of entrance to no.108; rear lower ground floor extensions partially infilling the rear courtyard and with roof terraces above; construction of full height closet wing extensions; reconstruction of mansard roof extension; installation of mechanical plant; and internal alterations on all floor levels (Site includes nos. 107 - 108 Eaton Square and nos. 107 - 108 Eccleston Mews)'. Namely, to allow minor amendments including a reduction in size of the basement extension (omission of the basement beneath the main house of both properties), alterations to the appearance of the building including retention of parts of the rear elevation and changes to the lower ground floor courtyard fenestration, and internal changes. NAMELY, to vary the approved drawing numbers to amend the roof of the lower ground floor link to form a roof terrace, alteration to to the lower ground floor fenestration, change to the new rear outrigger fenestration detail and internal changes to the main houses.

Variation of condition 1 and removal of condition 3 of listed building consent dated 19th May 2020(RN 19/09042/LBC) for the variation of condition 1 of planning permission dated 19th June 2018 (RN 16/06234/FULL) for the Excavation of a basement floor below existing house and part of front garden, insertion of rooflight with decorative metal grille over within front lightwell, internal alterations, including the insertion of 3 rooflights in the floor of rear extension between lower ground and new basement level and removal of tree from front garden. NAMELY, to remove the decorative grille above the rooflight in the front lightwell, install an etched glass at this rooflight instead of the transparent glass originally allowed for under the grille. To build this rooflight set flush with the floor finishes in the lightwell. (Linked to 20/07096/FULL)

Variation of condition 1 of listed building consent dated 9 December 2020 (RN20/04548/LBC) (which itself varied conditions 1, 2 and 3 of listed building consent dated 28 January 2020 (RN19/08727/LBC)), listed building consent dated 25 June 2019 (RN19/02708/LBC) and listed building consent dated 14 February 2017 (RN16/11963/LBC) for 'Refurbishment of Quadrangle Building and Quadrangle Surface including removal and replacement of roof of the Quadrangle Building and replacement of existing surface treatment, alterations to external eastern elevation, introduction of a protruding lightwell structure within Quadrangle Surface, removal and replacement of existing lightwell structures adjoining the King's Building and associated structural works to the adjacent balustrading, the removal and replacement of the King's Building exterior entrance steps, works to the Somerset House East Wing lightwell including removing and replacing balustrading and associated works. namely, to allow alteration to the angle of the glazing covering the top of the lightwell at the ground floor level; adjustment to the position of the lightwell and extension of the length of the glazed protection handrails; removal of small sections of masonry wall at the Basement -1 level to provide side access to the lightwells, and internal adjustment to the layout of the WCs in one of the lightwells; the addition of louvres to the lightwell facades and change to vertical curtain wall glazing in lightwells; notches into the fabric of the King's Building at a high level at basement level -2 to support replacement structural slabs; and amendments to services.' Namely, to vary the approved drawing numbers to increase the demolition of the existing slab for the installation of the permitted oculus lightwell and reconfiguration of the permitted design of pre-cast concrete surrounding existing pipes within the Somerset House East Wing Lightwell.