 Devereux was rewarded on 31 January 1476 with the grant of the manor and lordship of Wigston, Leicestershire, in the king's hands following the attainder of John de Vere, 13th Earl of Oxford; and the Welshman, a brewhouse outside Ludgate in the ward of Farringdon Without (St Martin parish, London).Over the next 4 years Walter Devereux served on various commissions of Oyer and terminer in Middlesex, Yorkshire, and London.On 14 February 1480 he was identified as a member of the king's council hearing petitions in the Star Chamber at Westminster.