24 Astonville Street SW18 5AL
Alterations including erection of mansard roof extension to main rear roof (with French doors and safety railings) including raising the existing ridge height by 250mm; extension above part of two-storey back addition; formation of roof terrace above part of two-storey back addition with 1.7m high screen surround; intsallation of external staircase from first floor down to rear garden level.