Partial demolition of building and erection of new extensions at ground and first floor levels, alterations to roof, basement excavation, alterations to windows and doors, new boundary wall treatment facing Elm Tree Road, repositioning of pedestrian gate and hard and soft landscaping works.

Erection of single storey rear and side extension at ground floor level; roof demolition and altered/extended with parapet to rear and side elevations and side extension; replacement of windows throughout; alterations and elargement to the existing fenestration within the upper floor rear elevation; installation of fenestration within the new parapet rear and flank elevations; installation of openable-walk-on glass floor to front lightwell; erection of boundary planter, railings, side stair adjusted, and bins enclosure; and installation of air condition units within acoustic screens at rear roof level.

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 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.

Demolition of existing rear extension and glazed infill to rear; Erection of full width extension at lower ground floor level and glazed infill in between closet wings .Extension of existing closet wing at first floor level and formation of window; Raising of rear boundary walls; Replacement of door and erection of bike/waste store to front and new tiling.

Demolition of existing three storey rear closet wing and erection of a five storey closet wing and two storey infill extension at lower ground and ground floor levels with balcony at ground floor level with stair to garden and terrace at first floor level; alterations to rear fenestration and boundary wall; internal alterations, including changes to plan layout and alterations to front vaults.

Demolition of existing three storey rear closet wing and erection of a five storey closet wing and two storey infill extension at lower ground and ground floor levels with balcony at ground floor level with stair to garden and terrace at first floor level; alterations to rear fenestration and boundary wall.

Works at 89 Boundary Road to include use of part lower ground and part ground floors as a residential flat (Class C3) and office (Class E), and first, second and third floor as 2 residential flats (Class C3); Erection of rear extensions at lower ground and ground floor levels with associated terrace at first floor level; Erection of mansard roof extension, alterations to windows and doors; and works to 87 Boundary Road to include demolition of existing rear extension and erection of mews house at rear of site, reduced office space; erection of a mansard roof; Conversion of maisonette at first and second floor into two flats with additional accommodation at roof level; and use of the lower ground and ground floor as office (Class E).

Variation of condition 1 of planning permission dated 17th December 2021 (RN:21/03988/FULL) which in itself varies condition 1 of planning permission dated 01 February 2021 (RN: 20/06029/FULL) for the: Demolition of existing conservatory, erection of single storey rear extension, replacement of roof structure, extension and alterations to rear closet wing including incorporation of lift, replacement windows, alterations to the front boundary and front forecourt including extension and alterations to front vaults, excavation of new basement level including alterations to landscaping, plant enclosure and garden and bike stores to rear garden, and associated alterations, to allow the removal of trees and planting of replacement trees, shrubs and hedges edging the rear garden. NAMELY, the addition of metal railings on the front boundary walls to the front garden, and the replacement of the gate to the front boundary wall

Use of the part ground floor of 14 St Vincent Street as retail unit (Class E), demolition of existing extension at rear lower ground floor level and erection of a replacement rear extension at lower ground and ground floor levels to 12A St Vincent Street for use, together with the remainder of the ground floor accommodation for 14 St Vincent Street, to accommodate relocated cycle and bin storage serving 12-14 St Vincent Street, 4 Blandford Street and 111 - 117 Marylebone High Street. Alterations to 12A St Vincent Street to enlarge the rear garden for use in connection with the existing HMO accommodation (Sui Generis) and external alterations including replacement of doors, windows, tiles and the installation of a metal rail in place of the existing boundary wall on the St Vincent Street frontage. Installation of a new partially openable shopfront to 14 St Vincent Street, including alteration to the access arrangement.