 The northern boundary is formed from Gwern-y-cleppa to junction 28 of the M4, then the A48 Cardiff Road.The eastern boundary is formed from the Ebbw River Bridge roundabout to the west of the International Rectifier plant, Duffryn Drive, along the southern edge of Tredegar House country park, Pencarn Lane and Percoed Lane.Despite being a mostly rural parish to the south and west, the north and east is a continuation of the Duffryn built-up area, and has seen large increases in population in recent years due to the continued suburbanisation of Newport; it grew from 574 in 2001 to 2,183 in 2011.