Demolition works behind the retained facade, including demolition of the walls, floors behind the facade, excavation of a single storey basement beneath the footprint of the existing house, erection of a side extension to the existing first floor closet wing with a terrace. Alterations to the mansard roof and rear elevation doors, windows and rooflight and the front dormer.

Variation of Condition 1 of planning permission dated 22nd June 2021 (RN: 21/00511/FULL) for, 'Erection of rear extensions at second, third and fourth floor levels to incorporate a new lift; demolition of existing mansard roof and erection of replacement mansard; demolition and replacement of rear courtyard floor slab; installation of air conditioning units at roof level and under pavement basement vaults; demolition and rebuild of two chimney stacks on the mews; replacement of windows on all elevations of the main house, demolition and re-building of rear ground floor toilet annexe, and associated internal and external works'; NAMELY to install new lanterns on the railings at the front entrance of the building, and security cameras at ground and lower ground floor level.

Demolition behind retained facade, demolition and replacement of existing mansard roof and erection of three storey rear extension at first floor level, new lift shaft and extension at rear ground floor level, replacement of railings with new glass balustrade at roof level, new doors and window opening to rear elevation, two windows infilled to rear elevation and replacement rooflights; all in connection with the refurbishment of the existing dwelling house.

Amendments to planning permision dated 21 July 2015 (RN 14/12434/FULL) for excavation below existing house and rear garden to create one level of basement accommodation with rooflights to the rear. Demolition of existing rear extension and erection of replacement rear extension over three storeys. Excavation to front of property at lower ground floor level to provide additional accommodation and mechanical plant within enclosure to rear garden. NAMELY,steps down into lightwell repositioned (returned to the existing position rather than being repositioned). Lightwell glazing reduced to comply with planning condition 4. Lower ground floor level reduced by two steps. Rear patio lowered in part to conform, with two steps up to the garden. Rooflight in new annex altered from rectangular to oval. Detailed design of fenestration in rebuilt annex amended - colour and material unchanged.

Amendments to planning permission dated 1st September 2021 (RN 21/01606/FULL) for the variation of Conditions 1 and 6 of planning permission dated 08 July 2020 (RN: 19/09027/FULL) for the Partial demolition at 142-150 Wardour Street including removal of existing mansard roof to Film House and part of the rear and side facades; replacement of mansard roof, erection of new sixth floor and new sheer frontage at the eastern end of the site for office use (Class B1); creation of restaurant units (Class A3) at part ground and part basement levels fronting St Anne's Court, Wardour Street and Sheraton Street; shopfront alterations; creation of a terrace at sixth floor level for office use; installation of a roof level plant enclosure and associated external works (Site includes 138 Wardour Street, 142-150 Wardour Street and 20 St Anne's Court); NAMELY, to enable the installation of a roller shutter door and amendments to the doors on Sheraton Street; amendments to the acoustic louvres at St Annes Court; alteration to the window distribution on the North East Elevation; introduction of a hinged glazed pavilion escape door; omission of a window at Level 5 and new window on the rear elevation of St Annes Court; infill of the windows at Sheraton core; omission of the smaller windows on the St Annes Court elevation; omission of the integrated access door, the narrow steel platform and the rope access rail at the top of the St Annes Court core; amendments to the retail entrance and facade at St Annes Court; amendments to courtyard parapet coping; and new courtyard window on the Lower Ground Floor of St Annes Courtyard.

Variation of conditions 1,11, 16, 22, 24, 25 of planning permission dated 30th June 2020 (RN 19/09318/FULL) for the demolition of two-storey coach house (72) and building behind retained front facade at 74, for the construction of new five storey building to provide 7 residential flats. Excavation of basement, demolition of existing rear garages and the erection of 2 additional residential dwellings including associated landscaping. NAMELY, to make minor material amendments including; rationalised front landscaping; moving the access to the rear from the southern side of the building to the northern side; adding skylights above the side wings; adding skylights to rear dwellings; making the lower ground floor rear terraces slightly deeper; making the second floor balcony slightly wider; making the ground floor railings wider (though no increase in terrace size); and adding three windows to south and north flank wall and reinstating the existing Juliette balconies to the front elevation.

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.

Amendments to planning permission dated 19 July 2018 (RN:18/02233/FULL) 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) 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; (ii) Reconfiguration of the internal layouts of 14 Sherlock Mews to at first and second floor levels; (iii) Unify the 14 Sherlock Mews elevation in brickwork of a consistent colour, bonding and character; (iv) Replacement of design of Sherlock Mews windows; and (v) Refurbishments to the front facade of the mews house; and associated works.

Variation of Conditions 1 and 6 of planning permission dated 08 July 2020 (RN: 19/09027/FULL) for the Partial demolition at 142-150 Wardour Street including removal of existing mansard roof to Film House and part of the rear and side facades; replacement of mansard roof, erection of new sixth floor and new sheer frontage at the eastern end of the site for office use (Class B1); creation of restaurant units (Class A3) at part ground and part basement levels fronting St Anne's Court, Wardour Street and Sheraton Street; shopfront alterations; creation of a terrace at sixth floor level for office use; installation of a roof level plant enclosure and associated external works (Site includes 138 Wardour Street, 142-150 Wardour Street and 20 St Anne's Court); NAMELY, to allow alterations to north east elevation including render whole of north east facade, reinstatement of two windows and the enlargement of a window at lower ground floor, addition of a transfer structure at level 6, and an additional window; omission of vent structures to party wall line to allow for the adjustment to the position of the acoustic plant screen; infilling central lightwell at lower ground, ground and level 01 to extend the office space; changes to dormer windows along Sheraton Street and Wardour Street; creation of a lobby at the top of the St Anne's Court core to accommodate new stairs; retention of existing street level stucco facade to St Anne's Court; introduction of louvre panes in the north east facade; and correction to north east elevation to show the sides of the three Wardour Street dormers. [Application under Section 73 of the Act]

Amendments to planning permission dated 30 June 2020 (RN: 19/09318/FULL.) for the: Demolition of two-storey coach house (72) and building behind retained front facade at 74, for the construction of new five storey building to provide 7 residential flats. Excavation of basement, demolition of existing rear garages and the erection of 2 additional residential dwellings including associated landscaping. NAMELY, to allow rationalised front landscaping; moving the access to the rear from the southern side of the building to the northern side; addition of skylights above the side wings; addition of skylights to rear dwellings; making the lower ground floor rear terraces slightly deeper; widening of the second floor balcony; widening of the ground floor railings; and addition of three windows to northern flank wall.