Amendments to planning permission dated 27 March 2019 (RN: 17/02394/FULL) for alterations and extensions, including demolition and reconstruction of rear extensions, excavation of basement floor, removal of tree, alterations to front boundary wall, installation of mechanical plant, erection of cupola at roof level, use of part of garden to rear of No.8 Ordnance Hill, and internal works to all floor levels in connection with the use of the building as five residential apartments (2x3 bed, 2x2 bed, and 1x1 bed flats); namely, the insertion of a new sash window to match the existing windows in the East elevation of the original chapel building; the introduction of powder coated aluminium windows within the new rear block, providing a consistent design approach within this new part of the building, and allowing an enhanced environmental performance to be achieved; and the simplification of the façade treatment of this new part of the building, (simplified cornice detailing, omission of window surround detail)

Amendments to planning permission dated 20 December 2022 (RN: 22/05746/FULL) for variation of Condition 1 of planning permission dated 08 September 2014 (RN:14/03923/FULL) for the excavation to create basement extension and lower pavement vaults; removal of existing extensions and replace with extensions at rear lower ground to third floor level including roof terrace at rear first floor level; erection of fourth floor extension in mansard style to rear and open up blind windows to front; installation of plant within mansard structure; new landscaping to garden and replace boundary wall with 16 Wilton Crescent; namely, alterations to the size and position of the new rooflights and access hatch at roof level, opening up of a blind window at rear third floor level and alterations to the glazing on the front elevation. Namely, internal alterations to the staircase at Lower Ground, Ground and First Floor.

Amendments to planning permission dated 26 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, minor repositioning of windows; repositioning of the side entrance door and change to style of door; Dormer window sizes reduced; Rear ground floor doors combined with windows and brick piers removed; Design of front portico simplified to be more in keeping with the house; Parapet detail amended; Alterations to chimney, height and capping; Reduction in size of rooflights to ground floor single storey rooms; Splitting up of the rooftop courtyard glazing; Alteration to basement lightwell configuration; Glazed metal door and security gates added and lowering of basement window cills; 5mm increase in height to a side extension; change in eaves height to main roof.

Amendments to planning permission dated 28th July 2020 (RN:19/07659/COFUL) for Development of existing western car park for the erection of a five storey block providing nineteen Class C3 residential units, demolition of existing storage sheds to west of site to provide four three storey Class C3 dwellings, amenity space, refuse storage, cycle parking, and estate works including the realignment of Droop Street; reconfiguration of the existing central car park, and erection of a replacement boundary wall to the existing nursery. Amendments to planning permission dated 28th July 2020 (RN:19/07659/COFUL) for Development of existing western car park for the erection of a five storey block providing nineteen Class C3 residential units, demolition of existing storage sheds to west of site to provide four three storey Class C3 dwellings, amenity space, refuse storage, cycle parking, and estate works including the realignment of Droop Street; reconfiguration of the existing central car park, and erection of a replacement boundary wall to the existing nursery. Namely, refuse store door on west elevation at ground floor to become louvred door; Air bricks to be added on all elevations; Four gates removed from landscaping design; Replacement of one of first floor windows in east elevation of townhouses with blind window; Alterations to layout of roof photovoltaic panels; External door added to the East Elevation to cycle store; and window omitted to West elevation at ground floor.

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 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 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.