10 Halsmere Road London SE5 9LN
Removal of the existing external staircase and erection of a three-storey rear extension to accommodate an internal stair and lift core. Alterations to the rear elevation, including changes to fenestration, removal of chimney stacks and lift overrun to roof. Repositioning of existing rear-facing windows at the top floor. Replacement of the existing front door and installation of an air source heat pump with an associated acoustic enclosure.