He inherited the manor of Wycombe; the town received market borough status in 1237.
Basset served as the Justiciar of England between the two terms served by his son-in-law, Hugh le Despencer, 1st Baron le Despencer.[6] He served during the period that Henry III regained control of the government from the barons.
He was married twice. By Hawise, granddaughter of Godfrey of Louvain (d.1226), he had two daughters:[7][2]