Amendments to planning permission dated 24th June 2021 (RN:20/07236/FULL) for Use of the existing buildings to create two dwelling houses with extensions including demolition and rebuilding of the mews building and excavation to extend the existing basement, installation of air conditioning units on the roof of 1 Upper Belgrave Street and vaults of 1 and 2 Upper Belgrave Street, and associated alterations. (Site includes 1 Groom Place). NAMELY, to demolish the existing lower ground floor slabs in both existing houses and replace with new slabs.

Erection of dormer and two rooflights to rear roof slope in connection with loft conversion; Alterations to existing rear extension and erection of infill side extension.

Replacement of roof and erection of rear and side dormers, alterations to fenestration including replacement of windows, installation of plant machinery within enclosure at roof level and associated external alterations.

Excavation of a new basement, extension at rear lower ground to first floor levels with mechanical plant and enclosure to the roof of the new extension and installation of double glazed windows. Internal alterations including replacement of lift and dumb waiter within their existing shafts, replacement of window sashes with double glazing and repairs to the roof.

Replacement of both apartment entrance doors; refurbishment front windows; refurbishment of rear windows including replacement of glazing with new single pane glazing; replacement of the roof level condenser unit; and internal alterations. (Linked with 23/06919/FULL)

Replacement of both apartment entrance doors; refurbishment front windows; refurbishment of rear windows including replacement of glazing with new single pane glazing; replacement of the roof level condenser unit; and internal alterations (Linked with 23/06920/LBC)

Demolition of existing roof and erection of a mansard roof extension at first floor level and alterations to the front and rear of the portion of the building fronting onto Bryanston Mews East. Subdivision and reconfiguration of existing ground and lower ground floor levels of the building and together with the new first floor extension to the mews portion of the building, create two self-contained residential units (Class C3) and associated external alterations. Lowering of front pavement vault [Site includes 22 Bryanston Mews East] (Linked with 23/07347/LBC)

Erection of ground floor front and rear extension, first floor rear closet extension, formation of roof terrace with balustrading and planters at main roof level, excavation of new basement and associated external alterations.

Variation of Condition 1 of planning permission dated 03 August 2023 (RN: 23/02362/FULL) for, 'Partial demolition; infill of rear lightwells; front extension at fifth floor level and introduction of a terrace; partial replacement of front elevation; refurbishment of existing building; installation of plant equipment; replacement windows; cycle parking; and associated external alterations; in connection with the use of the building as Offices (Class E);; NAMELY, the reduction of roof level massing to the rear, installation of guttering above fifth floor and introduction of roof pitch increasing the height of the fifth-floor façade by 250 mm; removal of external basement to ground floor stair to the rear, revised canopy design to the front, revised signage design to left of canopy, addition of three external wall lights at ground level, new planters at ground and terrace levels, revised Crittall style window arrangement, spandrel panel at front facade to incorporate vertical detailing to match mullions, change in location of bike racks, reduction of window sizes to east and west lightwell infills and introduction of grilles at eastern infill, and proposed reduction in rooflight to east and west infill extension. (Application under Section 73 of the Act).

Erection of mansard roof extension and facade alterations.