Cloghan Castle, Cloghan Demesne, Co. Offaly

Most fell to ruin, roofless and ivy-choked, their timber long gone. This one still has its roof, its bartizans, the small overhanging turrets that let defenders watch and fire down along the walls, and its machicolations, the projecting stonework with openings in the floor through which stones or worse could be dropped on anyone reaching the base of the tower. The building standing today, dating to around 1630, replaced an earlier castle taken by Elizabethan forces after a siege in 1595, and the scars of that violence sit oddly alongside the domestic calm of the walled gardens that were later laid out beside it.

The site's documented history stretches back further than the current structure. In 1620 the writer Mathew di Renzy described it as the manor house of Sir John Mac Coughlan, placing it firmly within Gaelic lordship at a moment when such families were negotiating survival under an increasingly assertive English administration. Two decades later, by 1641, ownership had passed to Garret Moore, a shift that traces the wider redistribution of land in the midlands during that unsettled century. The tower house was never meant to stand alone; it was enclosed within a bawn wall, a fortified perimeter typical of Irish castle sites, complete with flanking towers and an entrance tower fitted with a segmental-headed opening and timber double doors, a defensive envelope wrapped around the domestic core. A three-bay, three-storey addition was built onto the east side around 1820, softening the tower house's military profile with square-headed windows, while the tower itself kept its pointed-arched and square-headed openings, finished with label stops and hoodmouldings, projecting stone details that shed rainwater and framed the openings decoratively. The castellated parapet visible today is a modern reconstruction, replacing what were once two crowstepped gables, a Flemish-influenced gable form once common on Irish tower houses of this period.

Set among mature woodland where the Little Brosna River meets the Shannon, the castle is easy to miss from any distance, folded into its landscape rather than announcing itself. The walled gardens to the south and south-east extend the sense of a working estate rather than a preserved monument, a place shaped by centuries of continuous occupation rather than left to decay and later restoration.