Variation of Condition 1 of listed building consent dated 19th 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, (i) Amendments to the design of the main door of the residential entrance at the Baker Street front elevation; (ii) Amendment to the material finish of the residential entrance to the building at the Baker Street front elevation; (iii) Internal layout changes to 1st - 4th floor flats at 96-98 Baker Street; (iv) Reconfigured exhaust shaft for theatre at 1st floor terrace to the Baker Street rear elevation; (v) Modification to bedroom windows at the Baker Street rear elevation to accommodate exhaust shaft for theatre; (vi) Revised location of access hatch to roof; (vii) Reduced area for clerestory pop-up at Baker Street rear elevation; (viii) Addition of a guard rail at roof level; and (ix) Introduction of external pipework to the Baker Street rear elevation.

Variation of Condition 1 of listed building consent dated 05 June 2020 (RN: 19/08752/LBC) for, 'Erection of rear extensions at second, third and fourth floor levels to incorporate a new lift; demolition and replacement of rear courtyard floor slab, replacement of the existing mansard roof and raising of chimney stacks; demolition and rebuild of two chimney stacks on the mews; replacement of windows; installation of air conditioning units at roof level and under pavement basement vaults; Internal alterations including; installations of Fan Coil Units and services throughout, replacement of chimneypieces; replacement floor finishes, insertion of partitions and redecoration throughout'; 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; installation of a new concrete slab below the paving in the front lightwell; 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; landscaping works to the rear courtyard comprising rendering; stone paving; installation of light fixtures and installation of trellis panels and various internal alterations to all floors.