The tower house stands at the southeast corner of what appears to be a rectangular enclosure, measuring approximately 30 metres from east-northeast to west-southwest and 20 metres from north-northwest to south-southeast. The enclosure’s masonry walls likely formed a bawn, a defensive wall that was a common feature of Irish fortified houses during the medieval and early modern periods.

The relationship between the structures here tells a story of evolving defensive needs. While the tower house commands its corner position, archaeologists believe the bawn walls were more likely built to protect a separate house that occupies much of the enclosure’s southern edge, rather than the tower house itself. This arrangement suggests the site may have developed in phases, with different structures serving the defensive and residential needs of its inhabitants at different times.

Such fortified complexes were typical of the Irish landscape from the 15th to the 17th centuries, when local lords needed both comfortable living quarters and robust defences against raids and political upheaval. The survival of both the tower house and the bawn walls at Cluain An Ghaill offers visitors a chance to see how these defensive homesteads were organised, with multiple layers of protection surrounding the main residence.