Excavation of basement level underneath the footprint of the main house and area to side; Excavation of side extension at Lower Ground Floor; Erection of rear conservatory to existing outbuilding; Alterations to fenestration and level of front garden; Installation of plant machinery to rear; and associated external and internal alterations. (Linked with 22/04690/LBC)

Demolition of existing conservatory and erection of extension at lower ground floor level to rear; Installation of window to side; and associated external alterations. (Linked to 22/07082/LBC)

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).

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.

Excavation of a new basement level to include a small front lightwell; Extend existing, external staircase and railings leading down to lower ground floor; Excavate rear garden down to meet proposed lower ground floor level, Form new lower ground floor extension with bi fold doors; Adapt existing rear outrigger and increase height by 650mm; Install new rear infill conservatory at ground floor level to replace existing; Adapt existing mansard to sit in line with 53; Replace all sash windows with new timber, double glazed windows to match existing in style and proportion; Repair all pointing, stucco, render. Repair or replace all lead flashings. Redecorate all painted elements; Replace front garden brick piers, brick upstand and railings with new stone plinth and iron railings to match neighbouring properties.

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.

Demolition of existing conservatory and erection of a full width single storey rear extension set back from the main rear elevation to create an inset courtyard at lower ground floor level, creation of terrace above part of the extension with balustrade, alteration to window to create door to terrace at first floor level, new door and balustrade in main ground floor rear elevation, addition of an external staircase to existing front lightwell, reinstate openings to front vaults, and installation of gate in front railings.

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.

Demolition of existing rear conservatory, erection of a two storey infill glazed extension and replacement of windows in closet wing to timber sliding sash windows. Lowering of existing garden and ground floor.