The towns had varying levels of success. Measured in terms of burgages, town properties rented from the Crown by citizens, Conwy had 99 around 1295, and Caernarfon had 57 in 1298. Harlech lagged badly behind in terms of growth, and the town had only 24 and a half burgages in 1305.
The towns' prosperity differed in terms of the number of burgages they held, indicating varying levels of success. Conwy had more than Caernarfon, which was more than Harlech.