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).

Amendments to planning permission dated 21 July 2020 (RN: 20/02540/FULL) for the: Construction of extensions at rear lower ground floor level and conversion of vaults into habitable accommodation; installation of railings to the boundary wall, replacement of steps from lower ground to pavement level, in connection with enlargement of lower ground floor flat namely, to allow revised roof and stair/railing design, omission of lower ground floor infill rear extension, and fenestration alterations.

Amendments to planning permission dated 8 October 2019 (RN: 19/06149) for: External alterations to the St James's Square and Pall Mall facades, including alterations to windows and entrances, new entrance from Pall Mall and cleaning of brickwork; erection of roof extension to incorporate lift overrun, roof access, concealed open plant area and new plant; and dual/alternative use of part of the ground and basement levels as either office (Class B1) or retail (Class A1); and associated works. Namely, amendments to entrances and doors on the St James's Square and Pall Mall elevations; changes to the lower ground floor layout; alteration to the level 5 facade (to Pall Mall) moving 50mm south towards Pall Mall; alteration to the construction of the mansard roof moving 240mm south toward Pall Mall; the introduction of a short boundary wall to St James's Square; changes to the design of the railings; amendments to the quantum and height of the stall risers, amendments to the stone bands on the facade; and variation to the wording of conditions 12 and 13 requiring the works to be carried out in accordance with the detailed drawings of the new windows, doors and eastern party wall upstand.