Proposed alterations to door and window openings, construction of infill one storey rear extension within the lower ground floor courtyard and erection of a conservatory. Removal of a non-original pitched roof above part of the existing lower ground floor bathroom and replacement with a flat roof and glazed balustrade to form an extension to the existing terrace at this level. All to enlarge and alter dwelling (Class C3).

Proposed alterations to door and window openings, construction of infill one storey rear extension within the lower ground floor courtyard and erection of a conservatory. Removal of a non-original pitched roof above part of the existing lower ground floor bathroom and replacement with a flat roof and glazed balustrade to form an extension to the existing terrace at this level.

Replacement of the existing rear conservatory with a flat roof wrap around rear extension; new window and door to back garden on the closet wing and rear of main building; replacement of the existing front lightwell stair with new concrete staircase and associated works.

Remodelling of roof to provide third floor level, extension to sub-basement, replacement conservatory and associated fenestration and facade changes. Installation of plant within the roofspace with louvres on the rear elevation and installation of PV panels at main roof level. (Site includes 31 Hay's Mews)

Variation of condition 1 of planning permission dated 05 July 2022 (ref. 22/02084/FULL) for 'Extensions to the rear of the building, comprising a ground floor conservatory, two ground floor partial infill extensions of existing courtyards, and first floor extensions. Associated alterations to fenestration and rooflights'. NAMELY, to allow amendments to consented drawings, including provision of a green roof, alteration to first floor window, new rooflight in bedroom, glass conservatory roof replaced with a flat roof and rooflight.

Amendments to planning permission dated 3rd February 2022 (RN:21/08237/FULL) for Demolition of the existing conservatory, erection of a rear extension and the infilling of two light wells in connection with the use of the ground floor and basement as a restaurant (Class E). Alterations to front entrances and replacement of existing shopfront. Alterations to rear elevation including fenestration and at roof level in connection with use of the upper floors as three self-contained C3 residential units each with private external amenity areas including a roof terrace together with associated plant and landscaping (site includes 77 Marylebone Lane). Namely, to alter the 3rd floor arrangement and location for access to the roof terrace in order to comply with building regulation requirements for clear access via the staircase that was previously approved.

Amendments to planning permission dated 16 November 2021 (RN:21/05242/FULL) for Erection of rear extension, formation of lightwell and associated excavation to lower ground floor level; glazed conservatory at rear ground floor level with associated balcony and stair; partial demolition of existing closet wing and replacement with raised roof level; installation of dormer window, roof light and AC units at roof level and associated works. Namely, increasing the width of the steps from lower ground floor level and incorporation of a planter within the retaining wall.

Replacement of existing first floor conservatory with extension with flat roof and double glazed walls and metal guard rail to boundary wall, installation of metal handrail to existing first floor terrace, replacement of window at ground floor front elevation allow widening of garage, replacement of windows to upper floor and installation of rooflight.

Removal of existing conservatory and erection of a single storey rear extension to lower ground floor level with use of part of the roof of the extension as a terrace. Addition of an external staircase to existing front light-well and alteration to vaults.

Demolition of existing garage, two storey rear extension and conservatory; erection of single storey extension to side and rear with green roof; formation of window, relocation of external doors and internal alterations at lower ground and first floor (linked with 22/03587/LBC).