Compsey Mill, Mullinoly, Co. Tipperary

This is not a modest building trying to keep a low profile. The L-plan arrangement, with its taller mill ranges knitted to a lower house by a skewed, angled connection, reads as a working document of how the site grew, piece by piece, rather than to a single design.

The core of Compsey Mill dates to around 1840, a period when watermills across Ireland were being rebuilt or extended on a scale that reflected serious commercial ambition rather than local subsistence milling. The largest block, four storeys with an attic, carries cast-iron tie bars across its upper floors, a practical measure to stop the rubble limestone walls from bowing under the strain of internal machinery and floor loadings. To the east, a three-storey range was added, and to the south a single-storey arcaded block, its segmental arches carried on snecked limestone piers, a construction technique where roughly squared stones are laid in courses of varying height, fitted together closely rather than in strict horizontal bands. That arcade originally had a corrugated-iron lean-to roof over it, sheltering what was presumably a work or loading area open to the yard. The windows throughout, six-over-six pane timber sashes set into square-headed openings, are consistent with the mid-nineteenth-century date, and the rendered eaves and cast-iron rainwater goods point to a building finished with some care, not thrown up purely for function.

The manager's house, adjoining to the west, has fared rather better than the mill itself. It sits under a hipped slate roof with its own rendered chimneystack, and its ground-floor front windows are set into segmental-headed recesses, a detailing touch that distinguishes it from the plainer openings of the industrial ranges. The uPVC replacement windows and door are later intrusions, but the building remains lived in, a working home attached to a mill that has otherwise fallen derelict. A yard behind the two, enclosed in part by a rubble boundary wall and edged with outbuildings, still holds the shape of a site built for grain rather than for people, even as one half of it continues to serve the latter purpose.