Historical version 2 of 3-7 Park Street
Bar/late-night pub on Park Street.
According to their website, they also serve food — bar snacks and hotdogs at least. Also according to their website, photo ID may be required to get in.
OS X co-ord: 532391 OS Y co-ord: 165530 (Latitude: 51.373399 Longitude: -0.099330)