- Abbots Langley
- Adeyfield
- Albury
- Aldbury
- Aldenham
- Anstey
- Ardeley
- Aston (Hertfordshire)
- Ayot St Lawrence
- Baldock
- Barkway
- Barley
- Benington
- Berkhamsted
- Bishop's Stortford
- Borehamwood
- Bovingdon
- Bovingdon, Flaunden and Chipperfield
- Brickendon Liberty
- Broxbourne
- Bushey
- Cheshunt
- Chipperfield
- Chorleywood South & Maple Cross
- Clothall
- Codicote
- Colney Heath
- Elstree
- Essendon
- Flamstead
- Flaunden
- Goffs Oak
- Great Gaddesden
- Haldens
- Handside
- Harpenden
- Hemel Hempstead
- Hertford
- Hertingfordbury
- Hexton
- Hitchin
- Hoddesdon
- Hollybush
- Howlands
- Ickleford
- Kelshall
- Kings Langley
- Knebworth
- Leavesden
- Letchworth
- Lilley
- Little Gaddesden
- London Colney
- Markyate
- Moor Park & Eastbury
- Nettleden with Potten End
- North Mymms
- Northchurch
- Nuthampstead
- Offley
- Panshanger
- Park Street
- Pirton
- Potters Bar
- Preston (Hertfordshire)
- Redbourn
- Reed
- Rickmansworth
- Ridge
- Royston (Hertfordshire)
- Rushden
- Sandridge
- Sarratt
- Shenley
- St Albans
- St Ippolyts
- St Paul's Walden
- Standon
- Stanstead Abbots
- Stevenage
- Tewin
- Therfield
- Tring
- Tring Rural (Hertfordshire)
- Walkern
- Wallington
- Ware
- Watford (Hertfordshire)
- Watford Rural
- Watton-at-Stone
- Welwyn
- Welwyn Garden
- Weston (Hertfordshire)
- Wheathampstead
- Wigginton
- Wymondley