Replacement of windows at second floor level, new window at lower ground floor level, replacement of French doors to the rear façade, replacement glazing to existing windows and the replacement of the roof covering. Internal alterations include conversion of vaults to form a habitable space, replacement of the flat roof, alterations to the plan form, new doors, stair balustrade and replacement chimneypieces.

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.

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.

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.

Variation of condition 1 of planning permission dated 12 September 2022 (RN:22/02285/FULL) for the Conversion of garage to habitable living accommodation with new window to front elevation at lower ground floor level, installation of new timber window on side elevation at upper ground floor level; new metal window to the side elevation at lower ground floor level, replacement of existing metal side gate to timber side gate, relocation of rear access stairs, installation of linear walk-on skylights to the rear patio, new balustrade to rear terrace and associated external alterations. Namely, to remove both walk on roof lights to the rear of upper ground floor, installation of rooflight under stairs to rear garden and reduction of terrace depth to match existing

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 3rd and 4th floor 3-bed maisonette into two x 1-bed dwellings. Roof works, replacement of 3rd and 4th floor fenestration and alterations to principal elevation.

Works at 89 Boundary Road to include use of part lower ground and part ground floors as a residential flat (Class C3) and office (Class E), and first, second and third floor as 2 residential flats (Class C3); Erection of rear extensions at lower ground and ground floor levels with associated terrace at first floor level; Erection of mansard roof extension, alterations to windows and doors; and works to 87 Boundary Road to include demolition of existing rear extension and erection of mews house at rear of site, reduced office space; erection of a mansard roof; Conversion of maisonette at first and second floor into two flats with additional accommodation at roof level; and use of the lower ground and ground floor as office (Class E).

Creation of loft conversion, including new stair, two rear conservation roof lights, rear ground floor infill extension and new rear and side windows and internal alterations. Reinstatement of front railings. (Linked with 22/03041/FULL)