Port William Mill, High Street, Port William

Late 18th to early 19th century. Former grain mill. 2-storey, attic and basement, rectangular-plan main block. 2 lower 2-storey jambs to E and W elevations to S, forming T-plan. 2 further single storey wings to W elevation. Several further additions. Rubble; S gable of main

block limewashed. Squared granite rybats and quoins. Various window openings, some block with brick.

W (HIGH STREET) ELEVATION: 2-storey jamb (former kiln?) adjoined to right. Single storey wing adjoined to left of centre. Piended single storey wing further advanced to left, with doorways to W and S. Basement doorway to right of centre. Openings at centre to both floors, and to left at 1st floor.

N ELEVATION: opening at basement and to both floors.

E ELEVATION: 2-storey jamb (drying kiln) adjoined to left; several openings; brick lean-to (store) addition to right return. 2 doorways to right. 2 openings to both floors.

S ELEVATION: partly-rendered rubble lean-to (store) adjoined to gable and jamb to left. Granite coped skews to main block. Rubble gablehead stack, with granite quoins and cope, to N. Modern stack to left to W pitch. Chimney vent to roof of E jamb. Corrugated sheet asbestos to most roofs. Purple and grey slates, with red sandstone ridges, to 2 single storey wings to W.

INTERIOR: overshot water-wheel in main block to N (1988).