Demolition and replacement of rear extension at lower ground, new extension at ground adjacent to boundary with no. 19 St Petersburgh Place; demolition and replacement of existing rear ground conservatory; installation of new metal railings enclosing terrace at rear first floor; alterations comprising of replacement fenestration and doors to front and rear elevations; and replacement and relocation of entrance steps with raised balustrade; alterations and infill extension to roof and installation of lantern light.

Erection of roof extensions, a side extension at lower-ground floor level, minor internal and external works, alterations to the boundary treatment and landscaping scheme. (Linked with 23/02504/LBC)

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.

Variation of condition 1 and removal of condition 7 of planning permission dated 8th September 2022 (RN:22/02621/FULL) for the Erection of extension to rear at ground floor level; Alterations to side extension including installation of roof light and sedum blue roof; and alterations to boundary walls including installation of trellises. Namely, omission of solar panels, replacement of flat rooflight with a lantern style rooflight; and alterations to detailed design of rear extension.

Variation of Condition 1 of planning permission dated 20th December 2022 (RN 22/05746/FULL) 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, external wall lights at lower ground to first floor and third floor level and new air vents to the rear lower ground floor level; alterations to the design of railings at ground, first and third floor level balconies; and an intake air housing to the balcony at rear ground floor level; extended metal staircase from the lower ground floor level to rear ground floor level; and alterations to the garden finishes and layout including the provision of a new freestanding trellis with low-level air duct behind.

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.

Details of typical bay details - front, side and rear façades, dormer windows, external metalwork, ground floor entrance and solar panels showing architectural relationship to the roof, details of samples of the facing materials, details of a car club scheme, detailed drawings showing the following alteration(s) to the scheme; Provision of a privacy screen on the southern boundary of the terraces at rear 2nd and 3rd floor levels and details of code of construction practice pursuant to Condition 3, 4, 14, 15, 16 of planning permission dated 23rd September 2022 (RN: 22/03519/FULL)

Variation of condition 1 of planning permission dated 2nd December 2020 (RN:20/05311/FULL) for the Erection of a single-storey rear extension at lower ground floor, installation of sash windows to the front elevation and alterations to the front boundary wall and front lightwell from RN: 20/05311/FULL. Namely, to allow the stairs in the front lightwell and associated works including new windows, new boundary wall and new LGF level Flat 1 entrance to be removed, the rear patio to be increased from 900 to 1100mm, the internal layouts including the UGF level access to Flat 1 are to be as existing and a flat rooflight to be installed in the flat roof of the proposed rear extension.

Variation of condition 1 and removal of condition 4 of planning permission dated 2nd September 2022 (RN: 22/02592/FULL) for the Part rebuilding of rear extension and replacement glazing and rooflights, replacement stair to rear garden and formation of associated terrace, lowering of rear garden and formation of lightwell, replacement front boundary and other alterations. Namely, to enlarge the existing skylight and remove the requirement to provide a green roof to rear extension.

Excavation of basement storey beneath main house, demolition and rebuilding of mews house at new height plus the addition of a lower ground floor storey, demolition and rebuilding of main roof plus addition of plant equipment, erection of extension for lift from basement to third floor level, demolition and replacement of interconnecting extension between main and mews house, use of roof of interconnecting extension as a roof terrace, increasing height of boundary shared with 78 Chester Square and other external alterations.