| In the borough of Broxbourne |
| Cheshunt Central | The Cheshunt Central and Cheshunt North wards |
| Flamstead End and Turnford |
| Goffs Oak and Bury Green | The Bury Green and Goffs Oak wards |
| Hoddesdon North | The Hoddesdon North and Rye Park wards |
| Hoddesdon South |
| Waltham Cross | The Theobalds and Waltham Cross wards |
| In the borough of Dacorum |
| Berkhamsted | The Berkhamsted Castle, Berkhamsted East and Berkhamsted West wards |
| Bridgewater | The Ashridge, Northchurch and Watling wards |
| Hemel Hempstead East | The Adeyfield East and Leverstock Green wards |
| Hemel Hempstead North East | The Grove Hill and Woodhall wards |
| Hemel Hempstead North West | The Chaulden and Shrubhill, Gadebridge and Warners End wards |
| Hemel Hempstead St Paul's | The Adeyfield West and Highfield and St Paul’s wards |
| Hemel Hempstead South East | The Bennetts End, Corner Hall and Nash Mills wards |
| Hemel Hempstead Town | The Apsley, Boxmoor and Hemel Hempstead Central wards |
| Kings Langley | The Bovingdon, Flaunden and Chipperfield, and Kings Langley wards |
| Tring | The Aldbury and Wigginton, Tring Central, Tring East and Tring West wards |
| In the district of East Hertfordshire |
| All Saints | The Hertford Bengeo and Hertford Kingsmead wards |
| Bishop’s Stortford East | The Bishop’s Stortford All Saints and Bishop’s Stortford Meads wards |
| Bishop’s Stortford Rural | The Bishop’s Stortford South, Little Hadham and Much Hadham wards |
| Bishop’s Stortford West | The Bishop’s Stortford Central and Bishop’s Stortford Silverleys wards |
| Braughing | The Braughing, Buntingford, Puckeridge, and Mundens and Cottered wards |
| Hertford Rural | The Datchworth and Aston, Hertford Rural North, Hertford Rural South, Walkern and Watton-at-Stone wards |
| St Andrew's | The Hertford Castle and Hertford Sele wards |
| Sawbridgeworth | The Hunsdon, Sawbridgeworth and Stanstead Abbots wards |
| Ware North | The Thundridge and Standon, Ware St Mary’s and Ware Trinity wards |
| Ware South | The Great Amwell, Hertford Heath, Ware Chadwell and Ware Christchurch wards |
| In the borough of Hertsmere |
| Borehamwood North | The Borehamwood Brookmeadow and Borehamwood Cowley Hill wards |
| Borehamwood South | The Borehamwood Hillside and Borehamwood Kenilworth wards |
| Bushey North |
| Bushey South |
| Potters Bar East | The Potters Bar Parkfield and Potters Bar Oakmere wards |
| Potters Bar West and Shenley | The Potters Bar Furzefield and Shenley wards |
| Watling | The Aldenham East, Aldenham West and Elstree wards |
| In the district of North Hertfordshire |
| Hitchin North | The Hitchin Bearton and Hitchin Walsworth wards |
| Hitchin Rural | The Cadwell, Hitchin Oughton, Hoo and Offa wards |
| Hitchin South | The Hitchin Highbury and Hitchin Priory wards |
| Knebworth and Codicote | The Codicote, Hitchwood, Kimpton and Knebworth wards and the parish of Wymondley |
| Letchworth East and Baldock | The Baldock Town and Letchworth East wards |
| Letchworth North West | The Letchworth Grange and Letchworth Wilbury wards |
| Letchworth South | The Letchworth South East and Letchworth South West wards |
| North Herts Rural | The Arbury, Baldock East, Ermine, and Weston and Sandon wards and the parish of Graveley |
| Royston | The Royston Heath, Royston Meridian and Royston Palace wards |
| In the city of St Albans |
| Harpenden North East | The Harpenden East and Harpenden North wards |
| Harpenden South West | The Harpenden South and Harpenden West wards |
| St Albans Central | The Clarence and St Peters wards |
| St Albans East | The Ashley and Cunningham wards |
| St Albans North | The Batchwood and Marshalswick South wards |
| St Albans Rural | The Redbourn and Wheathampstead wards |
| St Albans South | The Sopwell and Verulam wards |
| St Stephen's | The St Stephen and Park Street wards |
| Sandridge | The Marshalswick North and Sandridge wards |
| The Colneys | The Colney Heath and London Colney wards |
| In the borough of Stevenage |
| Bedwell | The Bedwell and Pin Green wards |
| Broadwater | The Longmeadow and Roebuck wards |
| Chells | The Chells and Manor wards |
| Old Stevenage |
| St Nicholas |
| Shephall | The Bandley Hill and Shephall wards |
| In the district of Three Rivers |
| Abbots Langley |
| Chorleywood |
| Croxley | The Croxley Green, Croxley Green North and Croxley Green South wards |
| Oxhey Park | The Carpenders Park, Moor Park and Eastbury, and Oxhey Hall wards |
| Rickmansworth | The Maple Cross and Mill End, Penn, Rickmansworth and Rickmansworth West wards |
| South Oxhey | The Ashridge, Hayling and Northwick wards |
| In the borough of Watford |
| Callowland Leggatts | The Callowland and Leggatts wards |
| Central Oxhey | The Central and Oxhey wards |
| Meriden Tudor | The Meriden and Tudor wards |
| Nascot Park | The Nascot and Park wards |
| Vicarage Holywell | The Vicarage and Holywell wards |
| Woodside Stanborough | The Woodside and Stanborough wards |
| In the district of Welwyn Hatfield |
| Haldens |
| Handside and Peartree | The Handside and Peartree wards |
| Hatfield North | The Hatfield Central and Hatfield North wards and the parish ward of East of Hatfield parish |
| Hatfield Rural | The Brookmans Park and Little Heath, and Northaw wards and the parish of Essendon |
| Hatfield South | The Hatfield South, Hatfield West and Welham Green wards |
| Welwyn |
| Welwyn Garden City South | The Hollybush and Howlands wards |