Variation of Condition 1 of 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, to allow removal and replacement of existing central core and floors (retrospective), minor changes to internal configuration, provision of new entrance gates to permitted railing enclosure at the front, new door height gates to central entrance and new timber painted frames to glazed entrance. (Application under Section 73 of the Act).

Rear window replacement, new flat rooflight to the roof access, pipework alterations and internal works at second floor level (part retrospective).

Rear window replacement, new flat rooflight to the roof access and pipework alterations (part retrospective). Linked to 23/00289/LBC

Excavation to create a basement beneath the house and front and rear gardens with associated lightwells and alterations to fenestration at lower ground floor level, bin store with sedum roof, planters and soft landscaping to front and rear gardens including replacement tree planting (Part Retrospective).

Part and full replacement of doors and windows, replacement roof coverings, including access hatch, replacement of the aerial and installation of a satellite dish at roof level, installation of chimney pots / caps, replacement railings to rear terrace, installation of exterior lighting, installation of a planter box and works to the front balcony and overcladding of stone steps to entrance. Internal alterations, including relocation of kitchen to ground floor, alterations at all levels, replacement and new services, installation of lighting, replacement of internal doors, decorative finishes, fixtures and fittings and retrospective consent for opening up works.

Erection of extension in roof valley and lift extension at main roof level, new plant atop roof extension, replacement of areas of glazed roof in rear lightwell, formation of a ground floor level terrace and new doorway within rear lightwell. Replacement of rooflights, doors and windows to mews. Internal alterations, including installation of plant within the vaults, new areas of suspended ceiling and service risers, removal of partitions and formation of new openings in existing partitions. Retrospective consent for opening up works. (linked to 21/00188/FULL).