In 1949, a medieval pottery kiln was excavated at Potterspury, Northamptonshire, which had long been recognised as a centre of a pottery industry in the later Middle Ages. A small oval-shaped kiln was excavated; the pottery produced here was prominently of a fine, sandy-tempered ware, in the form of jugs, pans and cooking pots, and also roofing tile. Since the excavation, Potterspury wares have been identified from archaeological sites in Northamptonshire, north Buckinghamshire and Oxfordshire. It served a local market and competed with the products of kilns from other medieval potteries in the region.

Northamptonshire Archaeology, 26, 141-148