As a resident of Amersham, he had associated with other prominent Lollards, notably William Tylesworth and John Scrivener, attending their secret conventicles where prayers and readings were conducted in English, which was forbidden, rather than in Latin.
By 1521 he had returned to holding Lollard belief, and was again called before an ecclesiastical court set up by the new bishop, hardliner John Longland, personal confessor to Henry VIII.
At his trial he was convicted of a series of customary Lollard heretical beliefs, with a small admixture that was unquestionably Lutheran, derived, no doubt, from his reading of Tyndale.
The relevant text is: In 1532, Thomas Harding, who with his wife, had been accused of heresy, was brought before the Bishop of Lincoln, and condemned for denying the real presence in the Sacrament.
He was then chained to a stake, erected for the purpose, at Chesham in the Dell, near Botely; and when they had set fire to the fagots, one of the spectators dashed out his brains with a billet.