The structure is quietly anomalous on a street that has seen considerable change over the centuries: the National Inventory of Architectural Heritage dates it to around 1715, though it may be late seventeenth century in origin, which would make it among the older surviving buildings on the street. Its current face is that of a modest terraced three-bay, three-storey building, the roofline concealed behind a rendered parapet with granite coping. Nothing about its exterior today particularly announces what once went on inside.

The designation of this site as a mint location was recorded in the Dublin Record of Monuments and Places in 1998, but the documentary evidence goes back considerably further. A letter sent by the Commissioners of the Mint to revenue collectors across Ireland, dated the 15th of July in an unspecified year, instructed them to gather hammered or forged copper and brass and send it to the Commissioners at