Mill, Greenwall House

1656 with later alterations and additions. 2-storey and attic, 3-bay near-symmetrical rectangular-plan crowstepped gabled mansion with various lean-to additions; addition along rear (N) side c.1840. Harl-pointed random rubble with squared rubble and sandstone dressings. Eaves course at rear. 19th century farm buildings at rear.

W (PRINCIPAL) ELEVATION: slightly advanced sandstone roll-moulded and pedimented architraved doorpiece at ground in bay to centre; weathered carved plaque bearing indistinct initials to pediment; small window at 1st floor above. Small window at each floor in bay to left. Blank wall to single storey lean-to addition to outer left. Enlarged window at each floor in bay to right.

E (REAR) ELEVATION: 2-storey 3-bay lean-to addition spanning rear elevation. Regularly disposed window at each floor in each bay. Blank wall to single storey flat-roofed addition projecting N to outer right.

S (SIDE) ELEVATION: main block gable to left: window offset to right at 1st floor and attic; gablehead stack above. Lean-to addition to right: window offset to right, at ground and 1st floors; wallhead stack at junction of roof types above.

N (SIDE) ELEVATION: single storey, 2-bay addition to right: window in each bay; gablehead stack to main house above. Part-glazed door to flat-roofed single bay addition, projecting further to left; window in right return; wallhead stack to roof junction to main block above.

4-, 6-, 9- and 12 pane timber sash and case windows; 3, evenly disposed rooflights to W pitch; 2 small rooflights to E pitch. Purple Welsh slate to roof apex with thick Caithness stone easing course; heavily tarred grey slate with large Caithness stone easing course to 3-bay addition to rear; heavily tarred stone slab roof to lean-to to N; stone ridge; corniced and coped gable- and wallhead stacks; cavetto moulded skewputts to W; cast-iron rainwater goods.

INTERIOR: not seen, 1998.

OUTBUILDINGS: MILL: 2-storey, 3-bay rectangular-plan roughly coursed rubble mill sited to rear (E) of main house, with stone forestair to S gable. E (PRINCIPAL) ELEVATION: window replacing door at ground in bay to centre. Window at ground with small opening (blocked to right) in each bay flanking. W (REAR) ELEVATION: window at each floor in bays offset to right and left of centre. N (SIDE) ELEVATION: single storey lean-to addition, offset to left at ground; centred window (blocked) above; ball finial to gablehead above. S (SIDE) ELEVATION: stone flight from E elevation to centred, boarded gable door; ball finial to gablehead above. Large Caithness slabbed roof; stone ridge; corrugated-iron roof to additions. INTERIOR: not seen, 1997.

BARN AND BYRE: irregularly fenestrated 2-storey, L-plan roughly coursed rubble barn sited to N of main house with various single storey lean-to additions to N elevation. Grey slate; stone ridge; corrugated-iron roof to additions; concrete skews. INTERIOR: not seen, 1997.