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 01 September 2020 (20/03687/LBC) which varied Condition 1 of the listed building consent dated 14 December 2019 (19/07326/LBC) for the amalgamation of Flats 1 and 2 on lower ground, raised ground floor and first floor level; Rebuilding of rear extension including provision of French doors onto existing rear ground floor terrace; Reconfiguration of existing lightwell areas and glazed roof over raised ground floor light well enclosure; Lowering of existing lower ground floor level including amendments to the approved layouts of the non-original rear extension at lower ground, raised ground and first floor levels, repositioning of approved rooflights at first floor and garden terrace, and adjustment to the lightwell proportions; Namely, to amend the height of the boundary party walls with Nos. 48 and 50 Ennismore Gardens to the rear terrace area, amendments of the French door arrangement to the rear of the property (raised ground floor level) and modifications to rooflights over approved rear lightwell area.

Variation of condition 1 of listed building consent dated 25 May 2016 (RN 16/05217/LBC) for the Use of the Fire Station (ground floor) as Class A3 and (four upper floors) as Class C3 use (6 flats) with associated internal and external alterations. Demolition of the existing rear buildings and replacement with a five storey residential building to provide 11 flats with balconies, excavation of one storey basement under the entire footprint of the site to accommodate A3 use and residential use. Installation of photovoltaic panels to roof level of rear building. Rebuilding of the existing rear tower with installation of plant on top from RN 16/05217/LBC, NAMELY, to vary the approved drawing numbers to amend the design including replacement of loft door with window, revision to the size of dry riser inlet, an increase of 4 PV panels on the roof of building B, a reduction in the size of the Building's Automatic Opening vent within building A, revision of the placement of pavement lights to skylights at second floor terrace of building B, removal of skylight at first floor terrace within building B, removal of upper level plant access door to the stiar tower, decrease the AOV size to east boundary elevation, facade repointing to the front elevation of the Fire Station.

Variation of condition 1 of planning permission dated 3 March 2020 (RN 19/09981/LBC) for the Variation of condition 1 of listed building consent dated 20 February 2016 (RN: 15/10446/LBC) for the: Development of 55-59 Knightsbridge (including retention of Knightsbridge facades, demolition and the dismantling and reinstatement of roofs and chimneys) to provide retail (Class A1) at basement and ground floor levels and 18 residential flats at first, part second floor and third to fifth floor levels. Demolition of 1-2 William Street and its replacement with a redesigned building with internal linkages to 55-91 Knightsbridge. Namely, to allow alterations to William Street Residential Entrances, door to Wilton Place, fenestration changes to rear facade, increased lift Shaft to rear face of William Street, merlons to west elevation, West façade end bay reconstructed, chimneys to coping stone detail in mansard, pavilion gable apex roof stones, ridge height of mansard roofs, projecting signs to shopfronts, retained parapet to no. 55 Wilton Place, general layout alterations, and associated works from RN 19/09981/LBC, NAMELY, to vary the approved drawing numbers to amend the design of the external vent at no. 4 William Street and the removal of a ceiling at third floor level.