Hatfield
Hemel Hempstead
Borehamwood
Enfield
Waltham Cross
Enfield
Enfield
Hemel Hempstead
Hertford
Waltham Cross
Enfield
Barnet
Barnet
Potters Bar
Enfield
Cheshunt
Cheshunt
Hemel Hempstead
Hatfield
Enfield
Barnet
Enfield
Enfield
Barnet
New Barnet
Harpenden
Cheshunt
Hatfield
Barnet
Welwyn Garden City
Hitchin
Hatfield
Hatfield
Luton, Bedfordshire
Hemel Hempstead
Luton
Radlett
Watford
Watford
St. Albans