The building, a three-bay, two-storey gabled structure with a single-storey porch entrance, gives little away from the outside beyond its solid, institutional bearing. Its coursed ashlar construction, that is, stone cut into regular blocks and laid in neat horizontal courses, speaks to a deliberate permanence, the kind of building put up by authorities who expected it to last and expected people to take it seriously.

The structure also features a central gabled addition to the rear, suggesting the building was expanded or adapted at some point during its working life. Beyond its physical description, the specifics of when it was built, who designed it, and what exactly it housed remain unclear from surviving records. Small Irish market towns like Dunmanway, which grew as a planned settlement in west Cork, typically acquired their lock-ups and bridewell facilities during the eighteenth or nineteenth centuries, often in tandem with broader civic improvements. The ashlar finish would place this building at the more considered end of such projects, a cut above the rougher stonework of purely utilitarian structures.

What makes the building quietly curious today is simply its afterlife. The cold geometry of a place designed for confinement has been absorbed into the ordinary domestic fabric of the town, now residential, its porch entrance presumably welcoming rather than forbidding. There is something worth pausing over in that transition, even if the building itself offers no obvious outward sign of what it once was.