Amendments to planning permission dated 27th October 2021 (RN 21/04810/FULL) for the erection of garden outbuilding and store; rebuilding of part of rear boundary walls; and associated works. NAMELY to make adjustments to size and position of doors and windows; addition of roof light and reposition of external steps.

Amendments to planning permission dated 31 August 2022 (RN: 22/02609/FULL) (which varied planning permission dated 07 December 2020 (RN: 20/03048/FULL (as amended by 22/01515/NMA)) for 'Demolition of 55-58 Pall Mall and 1-4 Crown Passage, and erection of a new building with a part retained facade comprising basement, ground and six upper floors plus mezzanine with a new raised height mansard roof level, to provide office (Class B1) use at basement, part ground to seventh floor level, and provision of two flexible retail/ restaurant (Class A1/ A3) units at part ground level. Creation of terraces at 5th, 6th floor level and 6th floor mezzanine level, installation of plant, and provision of cycle parking spaces and facilities'. Namely, to allow amendments including, Internal revisions to layout and detail of door openings throughout ground to fourth floors; Lobby area added to secondary stairwell at first to fourth floor levels; Revised arrangement of openable doors at fifth and sixth floor level, onto terrace area; Tenant plant enclosure line adjusted to allow for interfacing with lift overrun; Door opening onto Crown Passage recessed to allow doors to open outwards within site boundary; Wall linings altered to reflect amendments to party wall information; Basement layout altered and associated revision of cycle parking layout, reducing the number of cycle parking spaces from 100 to 99; Maintenance access door added within basement; Revisions to fenestration detailing on southeast elevation; Revised materials to southwest and northeast elevations; Relocation of smoke extract system on roof; and Inclusion of door within plant screen for cleaning and maintenance purposes.

Amendments to planning permission dated (RN: 22/01867/FULL) for the: Use of a building as three self-contained flats (Class C3); erection a ground floor rear extension; dormer roof extension; roof lights to the front elevation; bike and bin storage within front garden; and associated works. Namely, to allow increase in dimensions of dormer and reducing side clearance between dormer cheeks and side boundary of the building; increase in height of dormer; and lifting of flat roof of dormer to 100mm below main ridge line of roof.

Internal alterations, including changes to the staircase between the entrance hall and basement, alterations to room partitions, openings and room layout on the basement, ground, first and second floor. Reinstatement of a timber framed lantern roof light and erection of low-level wall to front boundary with associated low-level planting.

Details of section drawings demonstrating that the first-floor extension will be independent of the boundary wall to No. 24 Chester Street and detailed drawings and a biodiversity management plan in relation to the green roof, pursuant to Conditions 4 and 8 of planning permission dated 25 May 2023 (RN 23/00475/FULL)

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.

Amendments to planning permission dated 16 April 2021 (RN: 20/08318/FULL) which itself varied condition 1 of planning permission dated 18 December 2020 (RN: 20/02660/FULL) for partial demolition including the front & rear facades, sixth floor and structures at seventh floor; replacement frontages; rear extension, rebuilding of the sixth floor and a seventh floor extension for office use (Class B1); creation of a restaurant / café unit (Class A3) at part ground floor; flexible office (Class B1) or non-residential institution use (Class D1) at part ground floor; assembly & leisure unit (Class D2) at part ground and lower ground floor levels; landscaping and a new boundary wall to the rear; external terraces; rooftop plant enclosure; rooftop PV panels and associated external works. Namely, relocation of Emergency Generator Flue, to terminate on first floor extension roof instead of level 8.

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.