Erection of a single storey rear extension at lower ground floor level with new staircase to sunken terrace area, the installation of new French doors at upper ground level, new sash windows at roof level and new front boundary treatment and gates. Internal alterations including the installation of a glazed screen and a wet room at lower ground floor level, creation of new openings at first floor level and the refurbishment of the handrail to the staircase.