 At this time each manor was using the open field system, but over time this system evolved into a two, and then a three, field system.The population also began increasing and in 1377 there were 139 poll tax payers making Durrington one of the most populous villages in the hundred of Amesbury.In 1390, Durrington's manors had a rental income of £40 which gradually decreased to £29 8s 6d in 1521.