Greater London Cambs Surrey Essex
Beds Bucks Berks Beds Essex Cambs. Berks Bucks
Hastoe, Tring Wiggington, Tring Berkhamstead Hitchin
Mendip Hills Chilterns Surrey Hills High Weald
Northants Bucks Essex Bedfordshire
Three Rivers Hertsmere Broxbourne Dacorum
Hemel Hempstead Hertford St Albans Hatfield
1 040 000 504 000 754 000 2 040 000
Cheshunt Watford Hitchin Letchworth Watford Stevenage St Albans Stevenage
South West Midlands North West South East