 The garden terraces that were created in the mid-18th century cut-up much of the site and making difficult to identify the castle's limits.The chapel of St. Michael within the castle in mentioned in charters from 1120, and was ecclesiastically separated from the ancient parish of Whalley.Some records call it extra-parochial and it is sometimes described as the parish church of the castle and demesne, with the forest districts of the honour.