Amendments to planning permission dated 09 April 2021 (20/06624/FULL) for Excavation of a basement beneath the footprint of the original dwelling, erection of additional mansard roof storey with dormer windows, and alterations to elevations to provide new windows. Namely, reposition two windows at rear ground floor level and move the position of the window over the staircase closer to the boundary with No 9 Leinster Mews.

Increase in height of parapet wall around flat roof of rear closet wing and replacement of dormer window with new glazed door, in connection with the creation of a roof terrace for use in association with dwellinghouse (Class C3).

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 09 December 2014 (RN:14/03519/FULL) for the: Variation of Conditions 1, 4, 6 and 19 of planning permission dated 26 August 2011 (RN:10/11022) for the refurbishment and alteration to 7 St James's Square to provide a single residential dwelling plus the redevelopment of 8 St James's Square, 7 Apple Tree Yard and 12A Duke of York Street to provide a seven storey office building plus lower ground and basement. Namely, to allow internal alterations and reconfiguration to the approved internal layouts; removal of the approved winter gardens in the rear courtyard; replacement of three timber sash windows with three traditional timber glazed doors at ground floor into the rear courtyard; reduced and reconfigured rooftop plant; removal of an approved dormer window and new dormer windows at roof level.

Partial demolition of the existing single family dwelling and reconstruction and extensions to provide a new third floor dormer extension with rear terrace on top of a rebuilt second floor, reconstruction of rear basement, ground and first floors of the property to the existing rear building line, inclusion of additional windows and new fenestration in rear elevation and Juliet balconies at rear ground floor, creation of replacement rear second floor terrace with re-located roof lights and alterations to the front door and garage door.

Proposed creation of art studio, including front dormer and rooflights and general remodel of dwellinghouse

Excavation of a basement beneath the footprint of the original dwelling. Erection of additional mansard roof storey with dormer windows. Alterations to elevation to provide new windows. Merging the two existing flats into a single dwelling house.

Excavation of a basement beneath the footprint of the original dwelling, erection of additional mansard roof storey with dormer windows, and alterations to elevations to provide new windows.

Amalgamation of the ground and first floor maisonette, with the second floor flat, the third floor and part of the fourth floor penthouse to create a single family dwelling house, creation of separate self-contained four bedroom flat at fourth floor level (accessed via 19M Hyde Park Gardens). Demolition of existing extension at ground and first floor, installation of replacement windows at ground, first, second and third floors, demolition of crittal doors and terrace at fourth floor and roof level, erection of mansard roof with dormer windows and parapet, demolition of roof access and rendered chimney and erection of lift motor room at roof level. Internal alterations and refurbishment, including the reinstatement of original features throughout including fireplaces and joinery details, reinstatement of spiral stair from lower ground to third floor, demolition of lowered ceilings, removal of a twentieth century stair and addition and removal of partitions (linked to 20/08322/FULL).

Amalgamation of the ground and first floor maisonette, with the second floor flat, the third floor and part of the fourth floor penthouse to create a single family dwelling house, creation of separate self-contained four bedroom flat at fourth floor level (accessed via 19M Hyde Park Gardens). Demolition of existing extension at ground and first floor, installation of replacement windows at ground, first, second and third floors, demolition of crittal doors and terrace at fourth floor and roof level, erection of mansard roof with dormer windows and parapet, demolition of roof access and rendered chimney and erection of lift motor room at roof level (linked to 20/08323/LBC).