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.

Erection of dormer to rear, extension of roof to accommodate stairs to loft to rear, formation of 3 rooflights to front and associated external alterations, in connection with conversion of loft to habitable accommodation.

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.

Erection of a roof extension at the side and rear and partial conversion of existing plant room to provide 5no. self-contained flats together with private amenity space, cycle storage and refuse & recycling facilities. Partial demolition at roof level.

Installation of two new rooflights to rear roof slope, in association with loft conversion; erection of a rear side infill extension at ground floor level; modification of the existing window to a double door on the rear wall of the existing rear extension; installation of window to side wall of rear extension; installation of conservation roof light to roof of lean-to and installation of roof light to roof of rear extension; and installation of door to rear wall of extension. (Linked with 22/06937/LBC)

Installation of two new rooflights to rear roof slope, in association with loft conversion; erection of a rear side infill extension at ground floor level; modification of the existing window to a double door on the rear wall of the existing rear extension; installation of window to side wall of rear extension; installation of conservation roof light to roof of lean-to and installation of roof light to roof of rear extension; and installation of door to rear wall of extension; internal alterations. (Linked with 22/06936/FULL)

Conversion of garage into habitable space and erection of a mansard roof extension with raising the height of the party wall to 18 Upbrook Mews.

Demolition of a 2-storey rear wing, the erection of a single storey rear extension, the erection of a mansard roof extension, external alterations to the front and rear elevations, conversion of part of the betting office on ground and basement floor levels and renovation of a disused residential area at basement level to create 4 self-contained flats (use class C3) and retention of part of betting office (use class sui generis).

Variation of condition 1 of planning permission dated 21 April 2022 (RN:21/08681/FULL) for erection of an extension at roof level to provide access to existing terrace, installation of timber screen, glass & steel balustrade at roof level, conversion of integral garage to habitable space and replacement of fenestration to front and rear elevations. Namely, proposed canopy over front door.

Alterations including infilling of rear lightwell between first to fifth floor levels, erection of roof extension to provide an additional floor level, roof plant, and conversion of the upper floors and part ground and basement into hotel use.