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 11th January 2022 (RN: 21/07738/FULL) for demolition and replacement of existing rear infill extension with a new two storey glazed infill extension to the main house; replacement roof to closet wing extension; trellis to boundary wall to provide screening, replacement openings and new access to rear elevation. Alterations to windows and doors to Hanover Mews (Linked with 21/07739/LBC). Namely, the proposed electric car charger, re-routing the existing boiler flue within the mews house and insertion of air bricks to both the mews house and closet wing of the main house. Externally the proposals will constitute new openings to the elevations of the mews house, allowing for the insertion of a new flue through the brickwork, the replacement of existing bricks with air bricks and an opening to house the external port for the car charger.

Amendments to planning permission dated 30 September 2019 (19/04631/FULL) for Variation of condition 1 (approved plans) and 9 of planning permission dated 21 November 2017 (RN: 17/07627/FULL) for the: Demolition of existing building and redevelopment to provide a new building comprising lower ground floor, mezzanine, upper ground floor and first to eight floor levels for use as hotel (Class C1) with ancillary Bar/Restaurant, external landscaping and associated works. Namely, to allow maintenance access to the terrace; an additional two metres of excavation at basement level, the extension at basement and ground floor level out to the rear boundary with the alms house, increased plant screen height by 0.6 metres, the introduction of a maintenance doors to the front and rear at the 8th floor, the removal of coloured window reveals, alterations to the rear lightwell, removal of skylight and bench to the front forecourt, the addition of two security bollards at front boundary of the site. NAMELY to allow the installation of 3 additional illuminated bollards to front forecourt.

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 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 13 September 2019 (RN: 19/05859/FULL) for the: Replacement of the existing conservatory at lower ground floor with a single-storey rear extension. Alterations to windows and installation of rooflights. NAMELY, to retain the existing Juliet balcony with a new balustrade at first floor level, alterations to slope of external boundary wall, reduction in size of one rooflight at the side infill and retention of a window as opposed to converted to doorway.

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.