Amendments to planning permission dated 11th August 2023 (RN:23/00368/FULL) for variation of Condition 1 of planning permission dated 16 February 2017 (16/10409/FULL) for the use of part basement, part ground floor level and first to fourth floor levels and the erection of a mansard roof extension at fifth floor level to provide 14 residential flats (Class C3). Provision of external terraces at rear second, third, fourth floor and fifth floor level. Installation of mechanical plant at fourth and fifth floor level. Lowering of the existing basement vault floor below Andrew's Crosse by 0.5m and installation of new lightwells and railings at basement and ground floor level on the Andrew's Crosse elevation. Associated alterations to windows on the front and rear elevation and associated internal alterations at 116-118 Chancery Lane and removal of part of the external staircase adjacent to 115 Chancery Lane and alterations to the roof profile at rear fifth floor level and relocation of plant; namely, alterations to the size and number of dormers to the rear roof extension serving Flat 4.1 and installation of a new roof access enclosure to the front part of the roof area and insertion of a high level window at basement level; namely, alterations to the cycle store within the basement.

Amendments to planning permission dated 19 April 2021 (RN: 20/04541/FULL) for Erection of an extension at the rear of 18-22 Wigmore Street at first to fourth floor levels and alterations to the rear roof form to allow conversion of the attic space to provide additional residential floorspace for the existing flats (Class C3), including the infilling of an internal lightwell adjacent to 16 Wigmore Street and the installation of a new lift. Alterations at basement and ground floor level including the infilling of a rear lightwell at basement and ground floor levels. Installation of plant within an associated enclosure at rear first floor level with a green roof over and screened plant on a flat roof at fourth floor level to the rear of 22 Wigmore Street. Alterations to the front of the building including new windows, shopfronts and metal railings at ground floor level. All in connection with the dual / alternative use of the basement, ground and first floors as either office (B1) / retail (A1) or a sui generis use comprising piano showroom, office space, new recital room, piano practice rooms and workshop space and use of the second to new fifth floors as 8 residential units comprising 3 x 1 bed; 4 x 2 bed and 1 x 3 bed. (SITE INCLUDES 18, 20 AND 22 WIGMORE STREET). NAMELY, consisting of the provision of new door height railing gates to the main entrance, new openable railing gates to the eastern side of the main entrance, and insertion of French doors to the eastern ground floor shopfront.

Amendments to planning permission dated 20th March 2021 (RN 20/01550/FULL) for the excavation of a basement beneath the footprint of the original dwelling. Erection of additional mansard roof storey with dormer windows. Alterations to elevation to provide new windows. Merging the two existing flats into a single dwelling house. NAMELY, to change the garage doors. Glass panel replaced by a louvered panel as required by ventilation strategy.

Amendments to planning permission dated 27 March 2019 (RN: 17/02394/FULL) for alterations and extensions, including demolition and reconstruction of rear extensions, excavation of basement floor, removal of tree, alterations to front boundary wall, installation of mechanical plant, erection of cupola at roof level, use of part of garden to rear of No.8 Ordnance Hill, and internal works to all floor levels in connection with the use of the building as five residential apartments (2x3 bed, 2x2 bed, and 1x1 bed flats); namely, the insertion of a new sash window to match the existing windows in the East elevation of the original chapel building; the introduction of powder coated aluminium windows within the new rear block, providing a consistent design approach within this new part of the building, and allowing an enhanced environmental performance to be achieved; and the simplification of the façade treatment of this new part of the building, (simplified cornice detailing, omission of window surround detail)

Amendments to planning permission dated 08.06.2022 (RN: 21/07082/FULL) for, 'Alterations to 6 Charles Street to include the erection of a single storey mansard roof extension and changes to the fenestration on Hays Mews elevation, partial demolition and rebuilding of 1 Hay's Mews and amalgamation with 6 Charles Street; all to enlarge existing flats (Class C3). Creation of a courtyard at rear ground floor level of 1 Hay's Mews and a terrace to the rear of 6 Charles Street at fifth floor level, installation of green roof areas to the main roof of 1 Hay's Mews and the rear of 6 Charles Street at part fifth floor level'. [SITE INCLUDES 1 HAY'S MEWS]. Namely, internal alterations to the apartment layouts; alterations to the front elevation of 1 Hays Mews; inclusion of new service risers; alterations to the entrance door and fanlight of 6 Charles Street; amendments to the window fenestration to both the mews internal lightwell and the Hays Mews return elevation of 6 Charles Street; alterations to building materials; cleaning of facades; inclusion of rooflight to the mews roof; inclusion of a mansafe system to the green roof areas; installation of a smoke extract vent over the main stair at roof level.

Amendments to planning permission dated 19th 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) Amendment to the main door of the residential entrance to the building 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 on the rear elevation of 96-98 Baker Street 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 rear elevation of 96-98 Baker Street.

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.

Amendments to planning permission dated 21 May 2020 (RN: 19/05711/FULL) for the: Demolition and redevelopment of the existing Porters Lodge to provide a replacement single dwelling (Use Class C3); erection of extension to the rear of Kings Court; facade alterations, including provision of balconies at ground and first floor level to the front elevation of Kings Court, restoration of the existing brickwork and addition of limestone cladding, upgrades to the fenestration; landscaping of the site; provision of terraces to the rear and side of Kings Court. Namely, to allow changes to extension of flat 3, alterations to rooflights above flat 2, and changes to window sizes/location in Apartment 3.

Amendments to planning permission dated 8 October 2019 (RN: 19/00260/FULL) for erection of a mansard roof extension, erection of an infill extensions to the northern elevation at second floor level, erection of an infill extension to the rear courtyard with associated alterations to rear wall, and excavation to enlarge the single storey basement, to providing 5 flats (Class C3) and a single family dwellinghouse in rear courtyard and continued use as a public house (Class A4) on part of ground and basement floors. Formation of refuse and cycle parking stores at ground level, NAMELY, to alter the window position and sizes of the East and North Elevation.

Amendments to planning permission dated 29 May 2018 (RN: 18/01317/FULL) for the: Use as six self-contained flats (Class C3); demolition of existing rear extensions and erection of new extension over lower-ground and ground-floor, excavation of rear garden and vault at lower ground floor level; installation of internal lift to serve second to fourth floors, internal alterations, replacement windows, alterations to facade, provision of rooftop plant and a condenser unit within an acoustic enclosure within the rear patio at lower ground floor level and condenser in front lightwell and landscaping. NAMELY, to allow moving of steps slightly out into B4 Hallway and double door (ND B4.1) centred to glazed wall at lower ground floor; glazed doors (ND G8.5) revised to one set of double doors instead of three double doors at ground Floor; metal coping of rear extension at first floor replaced with Portland stone coping, to match existing surrounding Portland stone copings; and fourth floor door (ND F3.1) to F3 Bedroom relocated along the wall.