Erection of three storey rear extension and inverted dormer to top floor at rear to create roof terrace with frameless glass balustrade. Internal alterations to room layouts, creation of office and storage space under pavement vaults, revised rear fenestration with new side windows and addition of lightwell.

Erection of two storey rear extension and inverted dormer to top floor at rear to create roof terrace with frameless glass balustrade. Internal alterations to room layouts, replacement of existing stair case from second to fourth floors and creation of office and storage space under pavement vaults, revised rear fenestration with new side windows, addition of lightwell.

Erection of three storey rear extension and inverted dormer to top floor at rear to create roof terrace with frameless glass balustrade. Internal alterations to room layouts, replacement of existing stair case from second to fourth floors and creation of office and storage space under pavement vaults, revised rear fenestration with new side windows, addition of lightwell.

Change of use at ground floor from offices (E(c)(iii)) to create 1no. two-bedroom flat (C3) at front. Erection of single-storey rear extension at first floor to create 1no. two-bedroom maisonette (C3) at rear. Roof alterations to existing first-floor flat (C3) to create additional bedroom, incorporating rear dormer and 3no. front rooflights.