Thornbury Castle

Thornbury Castle stands beside the parish church of St Mary in the Gloucestershire town of Thornbury. Built in the early 16th century, it was begun in 1511 as a residence for Edward Stafford, the third Duke of Buckingham. The Duke already owned eleven castles and 124 manors, yet chose Thornbury as his principal home. The castle replaced an earlier manor house of timber and stone, expanding it into a grand castellated palace. Its symmetrical entrance range survives, flanked by octagonal towers and irregular side ranges with projecting features. The Duke’s building work turned a modest manor into a fashionable residence with defensive details. Dressed ashlar stone from the Cotswolds and ornate brick chimneys gave the castle its costly appearance. The great hall and two kitchens allowed large-scale entertaining, while offices managed the duke’s extensive lands. Some historians argue the castle also had a military purpose, though its position on rising ground offered limited defensive advantage. The Duke’s ambitions ended in 1521 when he was executed for treason against Henry VIII. Today the castle operates as a 26-room hotel and restaurant, hosting weddings and fine dining. Between 1966 and 1986 it was one of Britain’s top restaurants under Kenneth Bell, training chefs such as Nigel Slater and Simon Gault. The property remains a Relais & Châteaux member since 2021. Its surviving ranges frame quiet courtyards, while the church next door adds to the historic setting.