Borough associated with castle established 1073 (Twt Hill, Nprn157156), superceded by Edwardian foundation c.1277 (Nprn15238): a defensive circuit traced to the north and east of Twt Hill, together with a church within it, can be associated with the Norman borough.

Source: Quinnell and Blockley 1994 'Excavations at Rhuddlan' CBA RR95.

RCAHMW AP965068/45-6

J.Wiles 14.10.02