Rickmansworth Buntingford Welwyn Letchworth
Harpenden Welwyn Ware Cheshunt
Bishops Stortford Berkhamsted Borehamwood Baldock
300 000 200 000 150 000 250 000
Hemel Hempstead Cheshunt Welwyn Ware
494 000 294 000 194 000 394 000
Hatfield Hitchin Hemel Hempstead Hoddesdon
Hitchin Hertford Hoddesdon Hatfield
Chorleywood Sawbridgeworth Welwyn Watford