The remains of a Christian church are visible in the eastern side of the fortified area of Richborough castle near to its southern corner. The exposed foundations show that it was a small east-west aligned rectangular building consisting of a small square chancel, narrow nave and western porticus. The church is dated to the 7th AD century and it was substantially rebuilt in the early Norman period when a semi-circular apse was added to the east end. The church was demolished in the 17th century. South of the church are the remains of an inhumation cemetery used from the 7th to the 9th century AD