On a slight rise near Downings in County Kildare, an ivy-covered shell of a church sits within what may be the curve of an early ecclesiastical enclosure, the kind of circular or oval boundary that often marks sites of considerable antiquity in the Irish landscape. The building is poorly preserved, its west gable gone entirely, its walls stripped back in places by the slow cannibalism of later construction. What survives is enough to read the building's bones, and those bones are quietly interesting.

The rectangular structure measures roughly 15.5 metres east to west internally and just under five metres wide, with walls built of randomly coursed limestone blocks almost a metre thick. Near the west end of the south wall, a doorway just over a metre and a half wide has been partly robbed out, and a corresponding section of missing wall opposite in the north wall suggests there may once have been a second doorway facing it, a pairing that would have created a clear axis through the nave. The east gable still stands, though its large window embrasure has been partially robbed, and the inner face of the wall steps back slightly about a metre below the apex, a detail that points to some complexity in the building's construction or repair history. A blocked window embrasure sits towards the east end of the south wall, and two small wall-cupboards survive, one at the south end of the east wall and another just west of the south doorway. These cupboards, known in liturgical contexts as aumbries, were typically used to store vessels or sacred objects. Most telling of all, the masonry near the east ends of both the north and south walls shows opposing vertical joint lines and a change in building style, suggesting the east gable end was rebuilt at some point, perhaps after collapse or deliberate demolition. Inside, gravel chippings laid over polythene sheeting now cover the floor, and among the fragments sheltered there are a cross-inscribed headstone and a piece of a baptismal font, both orphaned remnants of the devotional life this building once contained.