Amendments to planning permission dated 24 January 2023 (RN: 22/07450/FULL) for formation of a new roof terrace to serve existing flats, including new railings, timber screening, openable sliding rooflights, existing lift overrun enclosure extended to allow for a new internal staircase, alteration of existing extract vent, roof slate at lower roof level replaced, replacement timber double glazed windows including blocking in a window and the formation of new windows to suit the reconfigured internal layout, replacement residential entrance door, 2 new air source heat pumps (ASHP) at roof level, trellis with planting and green roof; NAMELY, to vary the type of rooflight, to provide an alternative access from the top floor residential unit to roof level including new door, to adjust the position of the proposed AOV and to vary the position of two of the lead dormers.

Amendments to planning permission dated 6th June 2017 (RN: 17/01932/FULL) for Excavation of basement with associated lightwells and mechanical plant, demolition and replacement of existing side extension and alterations to dormers at roof level and fenestration/doors to elevations, associated works to front and rear gardens. Namely, to make internal and external changes to the consented scheme including layout changes, increase in basement pool (remaining within the approved piling layout), removal of lantern rooflights, installation of a new lift and installation of acoustic lining to party wall.

Amendments to planning permission dated 5th May 2021 (RN:20/03389/COFUL) for Demolition of existing car park and redevelopment to provide a 4-storey block of sheltered residential dwellings (Use Class C3) and other associated works, including amenity space, car parking, cycle parking, refuse storage, and landscaping improvement works. Namely, amendments to the main entrance including the removal of a column adjacent to the main entrance; changes to windows and exit doors in order for compliance with AD Part B; addition of a new pedestrian exit door to the south elevation to Hall Place; addition of a cleaners store to the ground floor plan to provide storage and a sink for Westminster City Council to maintain the communal areas of the building; installation of air bricks to all elevations; raising of mansard window cills; updated roof layout including updating the layout of the photovoltaic panels and the omission of the mansafe system in favour of a fixed rooftop balustrade; incorporation of a fire corridor to all the apartments; alterations to the internal room sizes and 4 of the 20 units will be designed to full Part M4(3) Wheelchair User standards and be fully wheelchair accessible, changes to EVCP layout and insertion of louvres to the facades .

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 23rd June 2022 (RN: 22/01009/FULL) for the erection of external kitchen extract ductwork above first-floor flat roof up rear to roof, installation of new outdoor condensing units at ground level in service road, insertion of new window, external door and metal grilles in rear wall at ground floor level, planters and screen to rear first floor flat roof, alterations to shopfront, and associated works NAMELY the omission of two proposed metal louvers, the omission of the proposed kitchen window, changes to the position of the proposed rear door, and new cable cladding mounted on the ground floor rear wall.

Amendments to planning permission dated 10th June 2021 (RN: 21/01382/FULL) for erection of a single-storey extension to the rear. Single-storey front extension to existing side infill. Works to existing fenestration. Installation of a new side entrance door to the eastern flank wall. New window to the western flank wall. Alterations to the front driveway and entrance piers. NAMELY, alterations to materials of landscaping.

Amendments to planning permission dated 26th January 2022 (RN:21/03267/FULL) for Installation of CCTV, replacement of front ground floor window with timber window; refurbishment of windows; new glazed lantern over stairs; replacement of doors to rear and south elevations, new tiled roof slopes, installation of air conditioning units at main roof level, layout alterations and associated works. NAMELY, to replace ceramic tiling on the front entrance external steps with Portland Stone slabs.

Amendments to planning permission dated 09 June 2022 (RN: 22/01687/FULL) for replacement of existing lower ground floor infill extension with new infill extension at ground and lower ground floor levels; provision of balcony and steps from the ground floor rear extension to garden; namely, alterations to approved windows in the side and rear of the first floor closet wing.

Amendments to planning permission dated 23 July 2021 (RN: 21/01675/FULL) for excavation of a basement under the existing dwelling incorporating a rear lightwell with external staircase to rear, alterations to front and rear elevations including new windows and rooflights; Namely, minor changes to the proposed front and rear fenestration at Ground Floor, First Floor and Second Floor Levels.

Amendments to planning permission dated 26th April 2021 (RN:18/05362/FULL) for Variation of condition 1 and 21 of planning permission dated 12 October 2017 (RN: 17/02923/FULL) for the Demolition and redevelopment behind retained facade to provide a building of two basements, ground, part mezzanine and eight upper storeys accommodating retail (Class A1), office (Class B1) and flexible retail / office (Class A1 / B1) floorspace:to allow, alterations to retained facades including replacement windows to the east and south facades, alterations to facing material at rear elevations, clarification of facade reconstruction at parts of ground, first, sixth and seventh floors, alterations to office entrance, reduction of lightwell size on Great Cumberland Place, and reduction of doorway recesses at building entrances - NAMELY, to amend the wording to include flexible commercial uses use (Class E) at basement, ground and part first floor level and office (Class E) within part first floor level and second to eighth floor levels.