Variation of Condition 1 of 21/03855/LBC - Refurbishment of main house including erection of a new orangery, extensions and alterations to existing Service Wing including merging separate self-contained flat with the main house to create one dwelling. Restoration of coach house and two storey extension, extension and alterations to existing garage block and formation of new stables. - Amended to incl. 4 proposed windows to the Stables and relocation of staircase, kitchen and Living room of Coach House.

Variation of Condition 1 of listed building consent dated 19 July 2018 (RN: 18/02362/LBC) for, 'Demolition of rear facade of Nos. 96-98 Baker Street and front and part rear facades of No. 14 Sherlock Mews, use of first to fourth floors of Nos. 96-98 Baker Street as eight residential flats (Class C3), amalgamation of flats at first and second floors of No. 14 Sherlock Mews into a maisonette (Class C3), erection of replacement shopfronts to Baker Street facade, erection of replacement rear facade to Nos. 96-98 Baker Street, erection of replacement front facade to No. 14 Sherlock Mews, alterations at roof level, and other associated external alterations'; NAMELY, to allow reconfiguration of the existing garage and 14 Sherlock Mews entrance at ground floor, including the replacement of all doors at ground floor with a unified design and appearance; reconfiguration of the internal layouts to levels 1 and 2; unify the 14 Sherlock Mews elevation in brickwork of a consistent colour, bonding and character; replacement of windows; refurbishments to the front facade of the mews house; and associated works.

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 and removal of conditions 9 and 10 of listed building consent dated 12 December 2018 (RN 18/08719/LBC ) for 'Alterations and extensions to 32 Belgrave Square and redevelopment of 25/27 Belgrave Mews South behind retained facade including new link extension between the mews house and main building, fourth floor infill extension, new mechanical plant and rooflights, and associated alterations, in connection with enlargement of single family dwellinghouse and erection of an Orangery extension beyond rear wing at ground floor level (site includes 32 Belgrave Square and 25/27 Belgrave Mews South)'. Namely, to vary the approved drawings to allow minor amendments to layout throughout the main house (inc. modern studwork to side of lift landing doors to be removed at all levels to facilitate the installation of the consented lift, adding electric blinds and / or secondary glazing to windows and lower ground floor, second, third and fourth floors, alterations to the ceiling in the first floor principal rooms, amendments to back staircase at first, lower ground and basement levels, reconfiguring of the layout of the spa area at lower ground level, adding a walk-in refrigerator within the household kitchen at lower ground floor level, minor amendments to orangery detailed design, alterations to the chimney pots on the Party Wall with 31 Belgrave Square, floor finishes changes at basement, lower ground, ground, first and second floor levels, fan coil unit locations updated, minor interior design amendments at lower ground, ground, first, second, third and fourth floors, and fireplace minor amendments (slips, grates etc.); alterations to fourth floor terrace including raising height of trellis; and internal alterations to the mews house.