Dual/alternative use of the third and fourth floors for either continued offices (Class E) and / or as 1 x 2 bedroom flat (Class C3) and; external works including the insertion of skylight at roof level; trickle vents; Welsh slate to mansard roof; removal and replacement of mastic asphalt roof weathering; new roof insulation; new leadwork to dormer (including cheeks), solid timber entrance door; repositioning of windows to allow for reconfigured staircase; addition of window to allow a smoke vent lobby and extension of railing at roof level.

Erection of dormer windows to side and rear roof slopes including installation of three roof lights to front and side roofslopes. (Second Floor Flat)

Erection of dormer windows to side and rear roof slopes of 23 and 25 Abbey Road and internal alterations at 2nd floor levels to create access to new loft spaces. (Linked with 23/04012/LBC)

Erection of rear dormer and formation of rooflights to front.

Erection of two-storey rear extension with balcony at ground floor level and terrace at first floor level; Installation of Juliet balcony at second floor level to rear; Reconfiguration of rear roof lights and 4th floor dormer windows: Replacement of windows to front and rear; Formation of new window openings in side wall of rear closet wing; Excavation of front basement vaults associated with use as habitable accommodation; Installation of plant machinery; and associated external alterations.

Creation of two inverted dormer openings within the existing first floor mansard roof to the rear of the building, to house louvred vents.

Variation of condition 1 of planning permission dated 31 May 2023 (RN: 23/01224/FULL) for demolition of existing rear and side extension, and replacement with single storey rear extension (lower ground level), and double storey side extension (lower-ground and ground level), lowering of existing lower-ground floor level, addition of rooflights at ground floor, first floor, and roof level, and updates to existing rear dormer and windows.; NAMELY, for the installation of a rooflight to the side extension.

Variation of condition 1 of planning permission dated 20th March 2021 (RN 20/01550/FULL) for the excavation of a basement beneath the footprint of the original dwelling. Erection of additional mansard roof storey with dormer windows. Alterations to elevation to provide new windows. Merging the two existing flats into a single dwelling house. NAMELY, additional windows added to the rear facade (with fixed, privacy glass)

Details of samples of facing materials / reduced size of the dormer windows pursuant to Conditions 5 and 6 of planning permission dated 22 July 2022 (RN: 22/01654/FULL)

Introduction of new dormer window in rear elevation roof.