It is clay. A sequence of floor surfaces, laid one upon another, is all that remained when archaeologist Ian Doyle excavated the site, yet those thin horizontal layers were enough to confirm that a house once stood here, probably in the thirteenth century, itself replacing an even earlier structure on the same ground.

The site lies in the Gardens area of Irishtown, roughly forty metres northwest of the Irishtown Gate, one of the formal openings in Kilkenny's medieval town wall. That proximity matters: this was not a building set apart from the life of the town, but one positioned close to a principal point of entry and movement. The excavation, carried out under licence number 02E1592, recorded a structure approximately 6.3 metres long and 3.75 metres wide, modest in scale by any measure. What makes the find more legible as a place rather than just a set of measurements is its relationship to the river. The house was contemporary with a series of reclamation structures along the Breagagh's bank, the kind of deliberate engineering through which medieval towns extended usable ground into marginal, waterlogged edges. Someone was building here, consolidating ground, and putting up a dwelling, all at roughly the same moment, suggesting a neighbourhood taking shape in a deliberate way rather than simply accumulating.