Feudal barony of Dunster King Henry VII (1485–1509), he obtained the reward from that king of a reversal of his father's attainder and received restoration of his lands from the Herberts, who had never lived at Dunster, having been long seated in Wales. He was instrumental in quelling the rebellion in Devon. In 1487 on the coronation of the queen he was appointed K.B.. He was Sheriff of Somerset and Dorset in 1488. He erected the surviving sculpted stone heraldic panel above the western arch of the Gatehouse to Dunster Castle, showing on six shields (a further two blank) the arms of Luttrell, Beaumont,
Feudal barony of Dunster who was a "powerful personage" due to her large Wyndham dowry, purchased Dunster Priory following the Dissolution of the Monasteries, which thenceforth descended with the castle. By his wife Margaret Wyndham he had children including three sons: Sir John Luttrell (died 1551), of Dunster Castle, eldest son and heir. He was one of the principal commanders in the Scottish war under the earl of Hertford. In 1545 he was knighter after the capture of Leith. He was taken prisoner by the Scots in 1550 at Broughty Craig and was ransomed for £400. He married Mary Ryce, daughter of Sir Griffith