Upper Building, Middle Factory, Leri Mills

Whitewashed rubble stone with slate roof and stone end stacks, built into a steep bank. S side to track single-storey with four openings between stone piers, the openings variously infilled, perhaps originally open as a drying floor. E side has marks of roof-raising, suggesting that loft and S front are earlier C19. Ground floor door. N side, to leat, has high walls with windowless stone projection at right (presumably site of water-wheel). Left ground floor 3 small timber casement pairs with slab lintels, and one first floor window to left. W end external chimney and stone lean-to with slate roof to left, 4-pane sash to first floor right.