Variation of condition 1 of listed building consent dated 28 November 2019 (RN: 19/07732/LBC) for the installation of two air conditioning units at first floor level, alterations to the ground floor windows, erection of a single storey roof extension at first floor level to existing residential dwelling, associated structural works and alterations to windows and doors, alterations to lightwell windows, and addition of a new external porch, replacement of cornice and associated internal works, NAMELY, to allow the reduction of portico size and alterations to approved staircase and internal ground and first floor areas.

Variation of condition 1 and 5 of listed building consent dated 21 December 2018 (RN: 18/08121/LBC) which itself varied condition 1 of listed building consent dated 03 October 2017 (RN: 17/06041/FULL) for the Excavation of single storey basement, extending into the rear garden incorporating a lightwell; erection of two storey rear extension at lower ground and ground floors, and use of the flat roof at first floor as a roof terrace, with associated railings and alterations; installation of two air conditioning units within an enclosure on first floor roof terrace; lowering of front vaults by 150mm to create plant room with boiler flue extract at pavement level; formation of new entrance lobby and door underneath the front foot path within front lightwell; replacement of metal windows to rear and front elevations with timber windows; installation of satellite dish to top of roof. Namely, to allow internal layout changes and the submission of details of all new replacement windows, new doors and windows to the rear extension, and fireplaces.

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.

Variation of Condition 1 of listed building consent dated 12 December 2018 (RN: 18/05558/LBC) for alterations to the existing building at 152-153 Strand including demolition of rear facade and erection of ground to fourth floor rear extension, removal and replacement of existing roof, to include new windows, restoration of front facade, windows and shopfront, insertion of new internal atria, demolition of existing floorplates, stairs and building fabric and installation of new floors and partitions, and associated internal and external alterations, all in connection with the use of the building as flexible office and/or educational (Class B1 and/or Class D1) use with flexible retail and/or restaurant (Class A1 and/or Class A3) space at part basement and ground floor level namely; the removal of stone fascia on 152-153 Strand and its replacement with a timber fascia of the same design.

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 of listed building consent dated 14 January 2021 (RN 20/07107/LBC) which itself varied condition 1 of listed building consent dated 02 October 2020 (RN: 20/04526/LBC) for the 'Erection of a single storey extension at lower ground floor level and enlargement of ground floor terrace, reconstruction of mansard roof, demolition of existing conservatory, installation of plant at lower ground floor level and associated changes, in connection with the use of building as a single family dwellinghouse (Class C3)'. NAMELY, to vary the approved drawing numbers to replace the glass to front ground floor windows, reinstatement of central sash window to fourth floor, replace the dado rail and wall panelling, alter the existing architraves, doors, cornices, skirtings and window surrounds, install decorative columns and new decorative ceiling.

Variation of condition 1 and removal of conditions 3 and 4 of listed building consent dated 09 August 2016 (RN: 15/11089/LBC) for the: Erection of an extension at rear lower ground and ground floor level and single storey extension at rear third floor level. Internal alterations, including the lowering of the lower ground floor and pavement vaults by 0.3m. Namely, to vary condition 1 to allow minor internal amendments and non-material improvements to the proposed rear extension; and removal of conditions 3 and 4 as the requested details for i) Windows; ii) Doors; iii) Roof lights; and iv) Railings are included in the amended drawings.

Variation of condition 1 of listed building consent dated 24 March 2020 (RN: 20/00732/LBC) for the: Variation of Condition 1 of planning permission dated 14th August 2018 (RN: 18/01590/LBC) for, 'Excavation of additional basement floor and extension of existing lower ground floor. Erection of replacement rear extension at ground floor level and formation of first floor terrace, and fourth floor terrace. Erection of mansard roof to the mews building. Use of basement and lower ground floor as a granny annex and ground to fourth floors as a single family dwelling (Class C3). Internal and external alterations including new lift and lift shaft'. NAMELY, to allow addition of new window and rooflight to gym area at lower ground floor rear extension and to stair area in rear Edwardian extension, omission of previously consented rooflight, fireplace amendments, and internal alterations.

Variation of condition 1 of listed building consent dated 28 May 2020 (RN: 19/07211/LBC) for the: Erection of rear dormer roof extension. Internal alterations to the lower ground floor, upper ground floor, and second floor together with the retention and restoration of the original historic features. Replacement of external rear staircase and secondary glazing to existing windows. Proposed landscaping to garden. NAMELY, to amend the approved drawing numbers to allow changes to the layout, rear stairs and associated works. Alterations to fenestration. (Linked to 20/04091/FULL)

Variation of Condition 1 of listed building consent dated 12 February 2020 (RN: 19/10031/LBC) for, 'Use of the basement as offices (Class B1), erection of single storey extension at rear third floor level, installation of air-conditioning units within vaults at lower ground floor level and extractor fan at roof level and associated works of internal and external alterations to 1 Chesterfield Street and 16A Curzon Street'; NAMELY, internal and external alterations including; infilling of vault openings; replacement of a door with a sash window to front area; introduction of maintenance access openings to the new link within the Chesterfield Street elevation; rationalisation of external services to improve roof drainage; introduction of service trenches to lightwell; removal of window horns; and introduction of ventilation grilles to the elevation at lower ground floor level.