It is not a grand mansion but a two-storey rectangular block, gable-ended, with chimneys sitting on the gables rather than rising from a central stack. That arrangement was a common Georgian economy, keeping the principal rooms warm without the expense of an elaborate roofline. The entrance front faces east across five bays, with a central rectangular door flanked by sidelights, the kind of restrained classical composition that would have read as quietly respectable rather than ostentatious.

The house dates to the eighteenth century, a period when the Protestant landowning class across Munster was consolidating estates and building in a vernacular Georgian idiom that borrowed from the pattern books circulating in Britain and Ireland at the time. The five-bay facade was one of the standard templates, projecting symmetry and order without requiring an architect of particular distinction. A gabled addition to the rear suggests the house was extended at some point, perhaps as the household grew or the working requirements of the property changed. Farm buildings to the north complete the picture of a working agricultural demesne, the domestic and productive elements of the estate arranged in close proximity as was typical of Irish country house complexes of this scale. Clonmult itself is a place with a longer and more turbulent history than the quiet geometry of this facade might suggest, known primarily for events of the early 1920s, which makes the persistence of this earlier, quieter domestic structure all the more quietly anomalous.