What looks at first like a small ruined folly, complete with battlements and a dressed stone doorway, is in fact a carefully constructed disguise. A working lime kiln, the kind of industrial feature normally built into a slope to allow material to be loaded from above and drawn off below, occupies the western end of the building. Onto it, a castellated facade was added on the eastern side, giving the whole ensemble the appearance of a single, vaguely medieval structure. The kiln opening at the front has been blocked up, though the funnel is still visible from above, and the building leans against a natural rock outcrop to the north, rather than standing free as most such kilns would.

The facade rewards close attention. At ground level, a central doorway is flanked on its west side by the sealed kiln opening and on its east side by a star-shaped recess, an ornamental flourish that sits oddly beside industrial stonework. Above the door, a window is set between two niches with bluntly-pointed arched heads. What makes these dressed stones remarkable is their age and their origin. The door surround is a re-used, 15th-century two-centred pointed arch, the kind of carefully carved stonework associated with late medieval tower houses. The inward curve of the jamb stones identifies it as having originally framed a doorway in a spiral staircase. There is a deep chamfered edge and a pyramidal stop-chamfer on the east side, with a plain horizontal roll at the apex, details consistent with good quality late medieval mason's work. The window above carries an ogee head, a gentle S-curved arch form common in 15th-century ecclesiastical and domestic architecture, along with a recessed spandrel. Matching stonework appears at a nearby holy well in the same townland. These pieces were clearly salvaged from a tower house, though no castle is recorded at this location on Ordnance Survey maps, and no local tradition has survived to identify the source.