Plas Tirion

Good largely early C19 interior has stone flag entrance hall to right (south) of ridge stack with moulded plaster cornice and panelled reveals to tall staircase window; staircase (c1800) is of dog-leg type but cantilevered across window; plain moulded handrail with clustered bottom newel and stick balusters, 2 to each carved tread. Room to right has moulded cornice and picture rail; boarded floor and carved slate fireplace (c1890); small room behind; room to left (north) of entrance hall is probably the C16 parlour and has cornice and 2 boxed cross beams; corridor behind has nail-studded plank door to end and straight-flight staircase with turned balusters to first floor, continuing as an enclosed staircase to attic, which has 2 massive A-frame trusses visible to original short main range and king-post trusses to C19 additions. Extensive cellars to north end of the house have slate floors; large slate-slab water tank and massive fireplace with plain slate-slab surround to end stack; this part of the cellar was formerly the kitchen.

Original short 4-bay range, aligned roughly north-south, with later additions forming H-plan house of 2 storeys to front (west). Roughly coursed rubblestone, formerly rendered to front and with extensive traces of limewash remaining to rear; slate roofs with moulded coping to parapet and projecting gables on front. This is of 1:4:1 bays; windows all early C19 Gothick sashes with stained glass heads and slate cills, paired in 24 panes to centre on first floor and wider in 36 panes to gables; ground floor of gables has triple sashes in 81 panes; ground floor of central range has slate-slab roofed verandah supported by 5 cast-iron columns, 3 left (north ) bays with 36-paned sashes, fourth bay with narrow 12-paned window as left side light to Tudor-arched doorway with spandrels. Right (south) gable has dummy cross-shaped gun-loop to apex. Central range has 2 late C20 rooflights behind parapet to left and rendered ridge stack to right. Blank gable ends have substantial integral stacks with rendered shafts. Asymmetrical rear elevation has 20-paned sash to first floor and 24-paned sash to ground floor of left gable; section to right has tall multi-paned latticed staircase window high in wall to left and 4-paned sashes on each floor to right, linking to right gable which has 4-paned sashes on main floors with small 2-paned sash window to attic; return of gable has 12-paned sash on first floor in angle with full-height lean-to projection to right; this has 4-paned window to upper level. Late C20 flat-roofed porch approached by steps projects in angle between gable and main range/lean-to, with to its right a C20 casement window on each floor.