He was a chamber knight and a councilor to Edward III. He was also, like many of his fellow chamber knights, a lover of poetry. His will included an expensive copy of the Romance of the Rose.
He and Chaucer were well-acquainted. Their paths would have crossed frequently in London, and they were put together on an embassy in 1377 and a commission in 1390 to look into repairing the dikes and drains of the Thames.
Stury had a reputation for being a Lollard, a follower of the teachings of John Wycliffe.