Variation of Condition 1 of planning permision dated 16 October 2023 (RN: 23/05842/FULL), which itself varied planning permission dated 22 December 2022 (RN: 22/06621/FULL) for: Reconfiguration of two residential units to form one unit within Nos. 25, 26 and 48; and new residential unit within No. 49; installation of four condenser units, two on each of the roofs of Nos. 25 and 26; and extension at rear third and fourth floor level of No. 25 and associated works (site includes 25-26 Chester Square and 49-48 Eaton Mews South). NAMLEY, to allow works to front lower ground floor including new York stone paving to lightwell with single step below external staircase, new timber sash window with sidelights, new security railings to both windows in lightwell at no. 25, to match no. 26 existing railings; new York stone paving at no. 26, lightwell, and new Portland stone to both no. 25 and no. 26; rear elevation works include new glazing and glazing bar layout to external door to rear elevation, omit proposed screen between 25 and 26 terraces, new metal railings to coping at no. 25 terrace, and new double dormer; new front door, garage gate and associated fanlights at no. 48.

Demolition of existing garage and replacement with extension to existing residential unit. Demolition of existing rear extension and replacement with new extension to existing residential unit. Replacement of windows to building with timber framed double glazed units. (Site includes 17 Avenue Road).

Conversion of lower ground floor and garage area into a 2-bed residential flat and associated alterations; replacement of garage door to window; internal alterations. (Linked with 22/03513/FULL)

Change of use of lower ground floor and garage area into a 2-bed residential flat; change garage door to window; associated alterations. (Linked with 22/03514/LBC)

Conversion of garage into residential; new winter garden and dormer window with balcony deck to rear elevation; extension to rear of third floor, changes to fenestration; and internal layout.

Conversion of garage into habitable space associated with the residential flat at basement and ground floor levels and replacement of the front garage door with a window.

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.

Construction of full width rear extensions at lower ground, ground, first and second floor levels, alteration to front facade with new portico, conversion of garage to residential with new timber casement window, installation of timber casement windows with rendered surround, and infilling of swimming pool at 152 Hamilton Terrace. (Sites include 150 & 152 Hamilton Terrace).

Conversion of the garage into residential floorspace (Class C3), creation of two new sash windows at ground floor. Replacement of all existing sash windows with like for like double glazed windows. Addition of a new rooflight and rear dormer window, replacement of the existing rooflight on rear elevation roof with new heritage rooflights. Creation of a flat roof skylight on the rear terrace, concealed by the parapet wall.