The parish church is dedicated to St Hydrock and stands in the grounds of Lanhydrock House. Thought to date from the early 15th century, the church had major extensions and alterations towards the end of the 15th century. There have also been substantial alterations in subsequent years. It has a chancel, nave, north and south aisles and three-stage battlemented tower with one bell. The church is Grade I-listed and is a scheduled ancient monument.