Partial demolition of the ninth floor and erection of single storey extensions to the south, north and east (rear) of the ninth floor, erection of new kitchen extract riser, replacement windows, together with replacement plant and equipment to the roof of the ninth floor, and other associated internal and external alterations. (Linked to 22/08705/FULL)

Internal alterations at all levels, Installation of 4x air source heat pumps at roof level, single-story extension to the existing rear ground floor to extend existing office use, erection of small closet extension to accommodate WCs at rear mid-ground/first and mid-first/second floors, replacement of non-original windows with double glazed timber sash windows, external repairs to building and associated works. (Linked with 22/05897/FULL)

Erection of single-storey rear lower ground floor extension, erection of side extension at the lower ground, ground and first floor; alterations to the front lightwell, and associated landscaping. Internal alterations at lower ground, ground and first floor. (Linked to 23/04243/FULL)

Erection of a single storey rear extension at ground floor level and internal and external alterations to front and rear associated with the refurbishment of the property. Installation of plant equipment within enclosure in garden. Internal alterations (Linked with 23/03462/FULL)

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 23/04011/FULL)

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.

Erection of third floor mansard roof extension, installation of air conditioning unit within acoustic enclosure on rear second floor roof, new vent and air brick to rear elevation, and internal alterations at first and second floor levels.

Internal alterations including the temporary erection of partition structures and doors at the North stair.

Erection of extension at roof level, installation of PV panels and associated external alterations. (Linked with 23/00865/FULL)

Lowering and extending of vaults for usable ancillary space, alterations to the façade, erection of bin store within vaults, internal alterations and associated works. (Linked with 23/01043/FULL)