Installation of a conservation rooflight window within the roof central valley, opposite to the existing dormer window to provide external access to the roof loft for maintenance purposes, from the common parts.

External alterations at roof level including creation of lift overrun, access point, relocation of rooflight, installation of 'lifeline' fall arrest system and new finish. Replacement of existing air bricks to front elevation, and installation of ventilation grille below dormer window below the parapet at 4th floor level. Creation of opening between front and rear rooms at 4th floor level.

Replacement of front and rear elevation windows with double glazed timber sash windows; replacement of rear first floor with double glazed timber French doors with fixed light above; extension of existing dormer to give additional head height; new lighting and intercom to front door; installation of 2 external condensers within oak enclosure; replacement of lower ground floor rear extension roof; reconfiguration of the lower ground floor extension; new insulation to the roof, above the concrete slab and Aerogel insulation to the third floor and rear extensions for a thermal upgrade; new terrace for the main roof within the existing valley; refurbished chimneypieces; new services throughout; and internal partitions.

Replacement of internal doors; call entry system; replacement of two windows to front dormer of the mansard roof with single glazed timber casement windows; and installation of tiled covering to entrance steps. (Linked with 22/05230/FULL)

Refurbishment works including new roof configuration with new flat roof light, new dormer window, new mezzanine floor to apartment 11. External works making good, repaint the front facade including windows and first floor balconies. (Linked to 22/03940/FULL)

Construction of rear dormer roof window to the rear roof pitch with conservation rooflights to the front roof pitch. (Linked with 22/02928/FULL)

Installation of two replacement dormer windows at rear (east) roof level, removal of inner set of railings at main roof level, and installation of two new replacement rooflights.

Internal alterations at all levels to reconfigure layouts and external alterations to the eastern lightwell including the replacement of three timber sash windows with three traditional timber glazed doors, new plant area at roof level within an acoustic enclosure and new dormer windows at roof level.

Erection of a terrace at roof level to the rear and dormer windows on the existing roof slope to the front. (Linked with 21/07318/FULL)

Erection of rear extension, formation of lightwell and associated excavation to lower ground floor level; glazed conservatory at rear ground floor level with associated balcony and stair; partial demolition of existing closet wing and replacement with raised roof level; installation of dormer window, roof light and AC units at roof level and associated works. Internal alterations, including changes to planform.