Richard of Wallingford took a letter from the king to St Albans, where a rebellion was in progress. William Grindecobbe, leader of the revolt in St Albans, and his supporters including William Cadington, John Barbour were complaining about the suppression of rights to grind grains. They believed that this was permitted by an ancient charter of liberties of King Offa, that had been since been denied by the abbot of St Albans Abbey. Wallingford argued with the abbot about these rights. using the king's letter and called for the ancient charter to be produced. However, during the course of the discussions, news arrived that Tyler had been killed, which led to the rebels reducing their terms.
With Richard II back in control, most of Wallingford’s co-rebels were executed, but Wallingford was sent to jail and later pardoned by the king. Meanwhile, the king revoked all the charters issued during the rebellion, and restored the rights of the abbot of St Albans.
Richard of Wallingford, constable, is not to be confused with the earlier Richard of Wallingford, mathematician and abbot of St Albans Abbey.