The Minster Church of St Denys is the Parish church and on Church Street in Warminster, Wiltshire, England Dedication: Saint Denis of Paris St Denys' Church (or the Minster Church of St Denys) is the parish church of the town of Warminster, Wiltshire, England, and is the town's oldest church. Begun in the 11th century, rebuilt in the 14th and restored in the 19th, it is a Grade II* listed building [ www.stdenystheminsterwarminster.org.uk ]