Amendments to planning permission 21st June 2022 (RN: 22/01190/FULL) Erection of a rear mansard style roof extension to enlarge dwelling (Class C3) and installation of new double-glazed windows on front and rear elevations of the building. NAMELY; installation of an additional conservation roof light and the use of lead at new flat roof level.

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.

Amendments to planning permission dated 01 September 2020 (RN:19/06002/FULL) for 'Demolition of existing two storey dwelling and erection of new dwelling over ground, first and second floors (Class C3)'. NAMELY, to allow the removal and replacement of part of the sloping roof and the two skylights with brickwork to the South West side of 4 Halkin Mews facing the property of 5-6 Motcomb Street; replacement of dummy window on the front top left-hand side with a sash window; and a new flat roof skylight.

Amendments to planning permission dated 8 August 2018 (RN:18/03076/FULL) for the: Excavation to extend the lower ground floor and increase floor-to-ceiling height, demolition of existing conservatory and erection of extension to side elevation, and erection of infill extension to rear elevation at lower ground floor level all to enlarge dwellinghouse (Class C3). Alterations to rear elevation including infilling existing window and creation of 3no. new windows at second, third and fourth floor level. Removal of existing tree to front boundary. Installation of mechanical plant to fourth floor roof terrace, all in connection with the existing single family dwelling (Class C3). NAMELY, to allow increasing the height of the three new front ground floor windows of the new extension car park side of the house and to the ground floor level window, configuration to the rear elevation and retention of existing brickwork.

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, Slight 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. Fenestration changes: Slight repositioning of the dining room window at ground floor level on western elevation Replacement of the large study (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. 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 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 29th July 2014 (RN 13/09737/FULL) for the demolition of Ergon House and construction of eight storey residential building incorporating a ground floor retail unit (Class A1) and partial demolition and reconstruction of rear wing of 9 Millbank and conversion to residential use to provide 161 residential flats. Conversion of the gatehouse on Dean Bradley Street to provide a single dwelling unit. Provision of basement car parking and landscaped courtyards. Namely, alterations to internal layout, provision of new window, changes to roof level terrace, balustrading and arrangement of planters, provision of new guarding and access gate at level 09, openable windows, internal works, alterations to roof screen, new smoke shaft to north east corner, new smoke extract at level 09 and new fixings for maintenance purposes.

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.

Amendments to planning permission dated 23 October 2020 (RN 20/04320/FULL) for alterations to external elevations including new window within coach door opening and reconfiguration of front door and opening, erection of rear extension at first floor, creation of a rear ground floor courtyard and change part of garage space into habitable space, all in association with dwellinghouse (Class C3). NAMELY, replace the dilapidated bituminous felt roof on the top section of the mansard roof with a lead roll roof covering. Replace the slate finish on the rear mansard roof with a lead roll roof covering an additional small rooflight over the stairwell on the flat section of the mansard roof.

Amendments to planning permission dated 7 July 2021 (RN: 21/03210/FULL) which varied permission dated 20 December 2019 (RN:19/08664/FULL) for the: Use of the building as a single family dwelling house (Use Class C3); alterations to facade and installation of an air conditioning unit at mansard level. Namely, to allow the removal of the proposed louvres at roof level to the west elevation, and details of windows pursuant to condition 4(b) and associated rewording of condition 4.