Northleach seems to have existed by about AD 780, when one Ethelmund son of Ingold granted 35 "tributarii" of land to Gloucester Abbey. The abbey later granted estates including Northleach to Ealdred, Bishop of Worcester, probably in about 1058 when he had the abbey church rebuilt. In 1060, Ealdred was translated to York, taking the lordship of Northleach with him. The Domesday Book of 1086 assessed the manor of Northleach at 37 hides. In 1095 a later Archbishop of York, Thomas of Bayeux, restored manors including Northleach to Gloucester Abbey. His successors disputed this until 1157, when the claim was finally settled in the abbey's favour.