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 single storey, flat roofed rear extension which sits between lower and upper floor levels and the erection of a larger rear extension with a mansard roof to create a two storey internal space. At roof level of the main building, construction of a new dormer to the west facing pitch and the enlargement of the existing east facing dormer, both with rooflights. New rooflight is proposed to the front roofslope.

Excavation of a new basement beneath the footprint of the existing house with 2x walk on rooflights to provide light down into basement, rationalisation of the current LGF bathroom extension abutting the front entrance porch, relocating of rooflight on the existing entrance porch, rebuilding and replacement of the terrace slab above the Octagonal wing and creation of a new parapet, rebuilding of curved bay on south east elevation to a rectangular bay, demolition of existing retaining walls on south east elevation and eastern lightwell and construction of new metal escape stairs in these locations, replacement of fenestration throughout property, replacement of existing dormer, rationalisation of drainage, repair of stucco render, repair/ refurbishment and part replacement of existing roof which is in poor condition, refurbishment/ replacement of existing chimney and pots, provision of an external bin store.

Amendments to planning permission dated 26th July 2019 (RN 19/03428/FULL) for the demolition of existing dwellinghouse and erection of new four storey dwellinghouse (Class C3) comprising a basement floor extending under part of the front and rear gardens, ground and two upper floors, and associated external alterations, including replacement of front boundary wall. NAMELY, Repositioning of the rear chimney, construction of an additional chimney on the opposite side at rear to match (and the associated repositioning of the dormer window at second floor level); Reduction in the size of the rear basement lightwell and the line of the central recess on the rear elevation moved outwards, maintaining a slight step; Changes to the internal layout; Slight enlargement to the central courtyard and the addition of glazing (walk on roof light) to courtyard at second floor level; Slight repositioning of the dining room window at ground floor level on western elevation; replacement of the large study window (now living room window) with two small windows in new positions at ground floor level on western elevation; Replacement of large master dressing room window with two separate windows, one serving the hallway lightwell and the other serving a bathroom (the latter to be obscured) at first floor level on eastern elevation; Large hallway window reduced in size and repositioned to serve master dressing room at first floor level on eastern elevation; Replacement of large bedroom window with two small windows to serve bathroom and wc (window to wc to be obscured glass) at first floor level on western elevation; Additional windows on the inside return of the balcony to rear at first floor level; and split rooflight into two to allow for partition below, and two new rooflights in flat roof (rooflights would not be visible in elevation).

Variation of conditions 1, 5 ,11 and 12 attached to the planning permission dated 25 January 2019 (RN 18/10192/FULL) which varied the original planning permission dated 17 April 2018 (RN 17/09039/FULL) for: the Demolition of existing workshop to side of building, excavation of basement with rear lightwells, erection of side and rear extensions at lower ground floor level and two dormers to side and rear at roof level ; NAMELY, to vary the wording of condition 5 in respect of the side dormer as building , other external changes to the consented design , compliance with Appendix A of the Code of Construction Practice , and replacement tree planting .

Provision of a new basement beneath the footprint of the existing house with walk on rooflights to provide light down into basement, rebuilding of bathroom extension, rebuilding of Octagonal wing, rebuilding of curved bay on south east elevation to a rectangular bay, demolition of existing retaining walls on south east elevation and eastern lightwell and construction of new stairs in these locations, replacement of fenestration throughout property, creation of terrace on top of corner infill extension, replacement of existing dormer, rationalisation of drainage, repair of stucco render, repair/ refurbishment and part replacement of existing roof, refurbishment/ replacement of existing chimney and pots, provision of an external bin and bike store and construction of a single storey Orangery at the bottom of the garden, with a basement below to accommodate a swimming pool.