Demolition and reconstruction of rear extensions at lower ground and ground floor level to create an enlarged first floor terrace; excavation of front pavement vaults; repairs to the front and rear facades; replacement of windows with double glazed timber windows; modifications to the rear mansard to create a concealed plant area and lift overrun, and new dormer windows; and associated alterations; all to alter and extend dwellinghouse (Class C3).

Rear dormer extension and the installation of 3 rooflights to the front roofslope.

Dual/alternative use of the third and fourth floors for either continued offices (Class E) and / or as 1 x 2 bedroom flat (Class C3) and; external works including the insertion of skylight at roof level; trickle vents; Welsh slate to mansard roof; removal and replacement of mastic asphalt roof weathering; new roof insulation; new leadwork to dormer (including cheeks), solid timber entrance door; repositioning of windows to allow for reconfigured staircase; addition of window to allow a smoke vent lobby and extension of railing at roof level.

Erection of two-storey rear extension with balcony at ground floor level and terrace at first floor level; Installation of Juliet balcony at second floor level to rear; Reconfiguration of rear roof lights and 4th floor dormer windows: Replacement of windows to front and rear; Formation of new window openings in side wall of rear closet wing; Excavation of front basement vaults associated with use as habitable accommodation; Installation of plant machinery; and associated external alterations.

Variation of condition 1 of planning permission dated 31 May 2023 (RN: 23/01224/FULL) for demolition of existing rear and side extension, and replacement with single storey rear extension (lower ground level), and double storey side extension (lower-ground and ground level), lowering of existing lower-ground floor level, addition of rooflights at ground floor, first floor, and roof level, and updates to existing rear dormer and windows.; NAMELY, for the installation of a rooflight to the side extension.

Excavation of basement level beneath footprint of existing house with walk on rooflights; Rebuilding of bathroom extension at lower ground floor; Erection of extension at ground floor level over octagonal wing and creation of new parapet; Erection of infill extension on northeast elevation; Remodelling of bay on southeast elevation at lower ground floor level; Erection of replacement dormer; Demolition of existing retaining walls on south east elevation and eastern lightwell and construction of new metal escape stairs in these location; Replacement of windows; Rationalisation of drainage, repair of stucco render, repair/ refurbishment and part replacement of existing roof, refurbishment/ replacement of existing chimney and pots; Installation of Plant Machinery; Erection of bin and bike store to front garden; and associated external alterations.

Demolition of existing rear and side extension, and replacement with single storey rear extension (lower ground level), and double storey side extension (lower-ground and ground level), lowering of existing lower-ground floor level, addition of rooflights at ground floor, first floor, and roof level, and updates to existing rear dormer and windows.

Demolition of existing front garage door and installation of new triple sash window; removal of concrete ramp to garage with installation of new cantilevered off road car parking space at pavement level; new side extension plant room with air conditioning unit with louvered attenuation and side staircase to rear garden; installation of new back door access to property to side of existing closet wing at LGF level; new roof extension with rear dormer window to existing roof pitch; removal of existing chimney to rear of property; alterations to windows and doors.

Alteration to the front elevation and infill part of the existing lightwell at lower ground floor level; erection of single storey glazed extension at garden level; alteration to closet wing extension at ground and first floor level; closet wing extension at second floor level and enlargement of existing mansard including a new dormer window.

Variation of condition 1 of planning permission dated 21st April 2022 (RN: 22/00336/FULL) for the Extension to mansard roof and roof terrace, relocation of extract duct to the rear from RN: 22/00336/FULL. Namely, to increase in the overall height of the North elevation dormer windows by lowering the cill level and to increase the size of the roof light above the staircase.