Y Garreg Filltir with rear low wall and railing

House, painted stucco with slate hipped roof, bracketed flat eaves and tall stucco end stacks. Two storey, 3-bay SE front, with hornless 12-pane sash windows, over 2 French windows with marginal glazing bars and centre arched niche. Left SW end wall has two 15-pane hornless sash windows close-set in centre of first floor and large arched window (door in 1981) to ground floor right with radiating-bar fanlight over fixed window (probably former door), all with marginal glazing bars. Lean-to C20 conservatory to left with arched window within, former door with traceried fanlight, reeded pilasters each side and moulded arch. C20 window. Right NE end has arched window to ground floor centre with C20 glazing, 20-pane sash each floor to centre right and 10-pane sash each floor to right. Rear has 12-pane sash to right and NE rear wing set back to left with C20 glazing and alterations. One 8-pane window in angle over a door, then first floor 12-pane sash over 2 16-pane windows. Two C20 ground floor arched openings to left and NW gable-end of 2 storeys and attic, 2 9-pane attic windows, 2 12-pane first floor windows and big porch, all C20. NE side of wing has 3-window range continuous with right end of main house, with close eaves, sash windows, door to left in C20 glazed porch and raised truncated side-wall chimneybreast to right. Short quarter-circle low wall and railings by NW end of house; wall of painted brick with stone coping; iron railings of fluted column on vase form with finials, similar to those in front of Furnace House, St Peter's Street.

Much altered in renovation. Arches in end walls of SW rooms, one in SW room now a window.