Variation of Condition 1 of Listed Building Consent dated 18 Auguest 2020 (20/01721/LBC) for alterations including replacement of windows to front and rear elevations, demolition of infill extension and water closet at rear ground floor level, rationalisation of pipework to rear, replacement of front entrance tiling and internal alterations on all floor levels in connection with the use as a single family dwellinghouse.; NAMELY, to reinstatement of rear lightwell at lower ground floor level. Installation of a green wall including associated internal alterations (e.g. new internal door openings, new double doors to terrace, removal and replacement of storage cupboards, etc).

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 listed building consent dated 10 August 2021 (RN: 21/04474/LBC) (which varied consents dated 20 May 2021 (RN 21/01997/LBC) and 02 October 2020 (RN: 20/04526/LBC)) for 'Erection of a single storey extension at lower ground floor level and enlargement of ground floor terrace, reconstruction of mansard roof, demolition of existing conservatory, installation of plant at lower ground floor level and associated changes, in connection with the use of building as a single family dwellinghouse (Class C3)'. NAMELY, to allow the provision of lighting and layout changes.

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 conditon 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 changes to the roof of the lower ground floor link to form a roof terrace, change to the lower ground floor fenestration, change to the new rear outrigger fenestration detail to ensure consistency with adjacent fenestration, addition of orangery to replace rear ground floor roof terrace, and internal changes to the main houses.

Variation of condition 1 of listed building consent dated 20 May 2021 (RN 21/01997/LBC) which itself varied condition 1 of listed building consent dated 02 October 2020 (RN: 20/04526/LBC) for the 'Erection of a single storey extension at lower ground floor level and enlargement of ground floor terrace, reconstruction of mansard roof, demolition of existing conservatory, installation of plant at lower ground floor level and associated changes, in connection with the use of building as a single family dwellinghouse (Class C3)'. NAMELY, to vary the approved drawing number for the layout at 5th floor.

Variation of condition 1 of the listed building consent dated 10 May 2016 (RN: 15/08070/LBC) for the: Excavation of new basement beneath existing single family dwelling, extension to existing lower ground floor level and associated internal and external alterations to building including demolition and replacement of existing conservatory. Installation of ventilation plant. NAMELY, to allow design changes to lower ground floor conservatory, additional excavation associated with the provision of two pool vents at ground floor level, changes to plant, internal layout changes and alterations to hard and soft landscaping. (Linked to 20/08286/FULL)

Variation of condition 1 of listed building consent dated 16 April 2018 (RN: 18/01437/LBC) for the: Variation of Condition 1 of listed building consent dated 18 August 2017 (17/03792/LBC) Demolition of rear extensions and erection of a new extension at the lower ground to the fourth floor levels, excavation of a basement to the rear of the main dwelling, replacement windows, and refurbishment of the front pavement vaults, and associated internal and external alterations in connection with the use of property as a single family dwelling house. Namely, to allow the modification of roof level acoustic enclosure to house the approved air conditioning units.

Variation of condition 1 of listed building consent dated 14 January 2021 (RN 20/07107/LBC) which itself varied condition 1 of listed building consent dated 02 October 2020 (RN: 20/04526/LBC) for the 'Erection of a single storey extension at lower ground floor level and enlargement of ground floor terrace, reconstruction of mansard roof, demolition of existing conservatory, installation of plant at lower ground floor level and associated changes, in connection with the use of building as a single family dwellinghouse (Class C3)'. NAMELY, to vary the approved drawing numbers to replace the glass to front ground floor windows, reinstatement of central sash window to fourth floor, replace the dado rail and wall panelling, alter the existing architraves, doors, cornices, skirtings and window surrounds, install decorative columns and new decorative ceiling.

Variation of Conditions 1, 13 (part vi) & 19 (part h) of listed building consent dated 17 February 2020 (19/09926/LBC); for Alterations to existing building including creation of new pedestrian & vehicular entrances; alterations to bottle balustrades & parapets; creation of three additional storeys at fifth, sixth & seventh floors; creation of two additional basement storeys; partial demolition & reconstruction of central wing; demolition & reconstruction of Triangular Courtyard facades incorporating extensions at ground to fourth floors; external alterations to Quadrangle facades including new pedestrian entrances; landscaping to Quadrangle & Triangular Courtyards; creation of external terraces at fourth, fifth, sixth & seventh floors; entrance canopies; public realm works including alterations to security walls & bollards; removal & replacement of street trees; all in connection with use as hotel comprising up to 125 hotel bedrooms/suites with flexible hotel/retail/restaurant/bar use at part ground floor, flexible hotel/restaurant use at part lower ground, part ground & part second floors; flexible hotel/bar use at part fifth & part sixth floors; flexible retail, leisure, restaurant or bar use at part ground floor, leisure/spa facilities within the basement levels & part lower ground floor ancillary ballroom, event space & meeting rooms, food & beverage facilities, back of house facilities; car, cycle parking & servicing facilities; and up to 88 residential dwellings with ancillary communal amenities, car, cycle parking & servicing; namely, amendments to the Quadrangle courtyard paving, amendments to internal layout of two residential units; installation of additional windows to fifth floor; installation of external grilles to the east and north elevations and submission of details reserved by Condition 13 (vi) (internal finishes, including vehicle and service areas) and 19 (h) (stonework and ironwork gate details).