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.

Variation of condition 1 (and in turn condition 9) of the planning permission dated 21st December 2021 (RN:21/03579/FULL) for the Erection of a single storey roof extension above the existing circular parapet to provide one self-contained flat (Class C3) with associated roof terrace. Namely, extend the front terraces on both sides of the consented extension to the front of the building.

Erection of side infill extension at ground floor level with a new sloping roof.

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.

Erection of single storey mansard roof extension to create additional residential (Class C3) floorspace and rear terrace at second floor level with associated works to the building including new and replacement windows. [Revised Description of Development to include terrace]

Erection of extensions at rear ground and ground to first floor landing levels and installation of a rooflight to the rear roof slope.

Erection of mansard roof extension and facade alterations.

Variation of conditions 1 and 5 of planning permission dated 19th September 2023 (RN:23/01936/FULL) for the variation of conditions 1 (approved plans), 4, 7 and 11 of planning permission dated 10th June 2022 (RN:21/07603/FULL) for the Excavation of basement beneath footprint of building and new side extension, replacement side extension at increased height plus addition of window and balcony, erection of new single storey side extension, replacement doors to rear and creation of window to side (north side), infill extension in part of front lightwell and installation of external stair in front lightwell, installation of plant equipment in front lightwell and rear garden and associated alterations. Namely, to rear elevation, revised window (wrap around skylight) on extension and omission of terrace that previously approved, installation of contrast metal sheeting separating window/door. To left side elevation, installation of 2 frosted glass windows on second floor, one window on upper ground to rear/side extension serving secondary staircase, new grill at base for services ventilation. Revised skylight design to kitchen extension and removal of green roof. To right side elevation, installation of an upper ground floor full-height window, proposed frosted glass second floor window, roof plan, previously approved skylight design omitted in lieu of existing arrangement.

Alterations to the front of property, including a front elevation extension with new glazing and new entrance door; Juliet balconies at first and second floors; erection of a new mansard roof on front elevation with 2 no. new dormers; and new stair roof access with a glazed enclosure above.