Gelmast Farm including attached dairy and cowhouse, cartshed and stable, and yard wall.

Farmstead with house, agricultural buildings and walls round rectangular yard. Two-storey farmhouse has three-bay main house, with service range to R. House of painted stucco with slate eaves and large rendered chimneys to ends. Rear outshut. Late C19 4-pane horned sashes, the central upper window is not quite aligned with door. Late C19 door with glazed upper panels and small overlight. To R, set slightly back, slightly lower two storey double-fronted service range (possibly raised from single-storey), with left of centre C20 door and two 6-pane horned sash windows to each floor (wider on R), C20 brick chimney to R. Projecting from the rear of this block is the dairy (formerly freestanding) with hipped (formerly pyramidal) slate roof; a pair of large 12-pane casements (one missing 2004) windows to E and a small 12-pane casement to N, with signs of blocked openings. Rear of house has two doors and a window each end in outshut. Attached to W (left) of house, a 3-bay dutch-barn or cartshed with stone piers, corrugated roof and doors, and beyond a plain rubble stone block, possibly once a lofted stable, with slate roof and blocked door to front. Broad door and loft door in L gable. Attached to E (R) of house, at right angles to service range, a long cowhouse in rubble with slate roof, hipped to NE corner, gable to S partially rebuilt in brick. Window, door, window and small window to front. At S end of cowshed, at right angles, rubble wall which drops in height and terminates in gatepier to W, partially enclosing S side of yard with wall attached to barn (listed with barn).

House has central stair passage; wooden stair with stick balusters. Room to L has Victorian style fireplace; service rooms to rear in outshut. Kitchen range has wooden stair against rear wall. Main block of house has, on upper floor, one beam with run-out stops, and rough beams (boxed-in); Victorian iron fireplace in W wall. Matchboard partitions in Kitchen block. Main (W) section of house and outshut have pegged roof trusses, E (kitchen range) has bolted later trusses. Dairy has plastered ceiling, and slate-slab work surfaces; slate paved floor; roof structure is intact with central A-frame truss supporting structure of former pyramidal roof. Cowhouse has 9 bays of pegged trusses; remains of wooden feed passage partition to W. Cartshed to W of house has modern roof trusses, and end building has one later bolted roof truss. No loft floor.