Loft conversion, new conservation rooflights, alterations to the existing roof ridge, use of rear terrace at first floor level and replacement of existing sash windows with double glazed sash windows.

Creation of a roof terrace at third floor level with installation of associated alterations to parapet and railing, and conversion of window into a door.

Lowering of floor level within vaults and conversion to habitable accommodation. Alterations to windows and doors. Erection of extension of rear infill to courtyard. (Linked with 22/08370/LBC)

Lowering of floor level within vaults and conversion to habitable accommodation. Alterations to windows and doors. Erection of extension of rear infill to courtyard. Associated internal alterations. (Linked with 22/08369/FULL)

Conversion of flat at first, second and third floors into 2 x 1 bedroom flat; Erection of mansard roof extension with dormer window over part of rear roof; Insertion of roof window on side elevation. Erection of bike and bin store in front garden.

Amendments to planning permission dated 07th April 2021 (RN:21/00366/FULL) for Removal of condition 12 of planning permission dated 01 May 2020 (RN: 20/01459) which itself varied condition 1 of planning permission dated 12 February 2013 (RN: 12/12483)for the: internal and external alterations (comprising new windows at roof level, lift overrun green roof skylight, removal of lightwell insertion of new doors at lower ground floor level and creation of roof terrace at rear ground floor level) in connection with the conversion of the existing building from office and residential flats into a single family dwelling to vary the approved drawing numbers to allow the introduction of an additional roof light to the north east of the roof, a replacement walk on roof light to the west of the roof and an extension to the lift overrun box, set into the existing area of flat roof and plant access. Namely, the lift over run box is to be in toughened clear glass.

External alterations including changes to doors and windows; conversion of garage to habitable space; lowering existing lower ground floor level, vaults and rear garden; alterations to rear wall; and installation of ASHP to rear.

Variation of condition 1 of planning permission dated 19 April 2021 (RN: 20/04541/FULL) for the: 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, to allow removal of central core and floors and associated replacement to improve sustainability, acoustic and fire safety performance; modifications to ancillary uses within basement, including provision of ancillary kitchen and restaurant area serving guests of Bechstein Hall; kitchen extract and ductwork to be localised; introduction of entrance gates to main front entrance; minor amendments to plant at the rear; and provision of open pergola walkway on the roof at the rear.

Single storey rear infill extension, installation of roof lights and solar panels to rear roof slope loft conversion, replacement windows to front and rear elevations and associated works.

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)