1955-1974: The Urban Districts of Bishop's Stortford, Cheshunt, Hoddesdon, Sawbridgeworth, and Ware, and the Rural Districts of Braughing and Ware.
1974-1983: The Urban Districts of Bishop's Stortford, Cheshunt, Hoddesdon, and Sawbridgeworth, and the Rural Districts of Braughing and Ware.