| WD3 |
Rickmansworth |
Batchworth Heath, Chandlers Cross, Chenies, Chorleywood, Croxley Green, Heronsgate, Loudwater, Maple Cross, Mill End, Rickmansworth, Sarratt, West Hyde |
1,272 |
| WD4 |
Kings Langley |
Bucks Hill, Chipperfield, Hunton Bridge, Kings Langley |
374 |
| WD5 |
Abbots Langley |
Bedmond, Abbots Langley |
261 |
| WD6 |
Borehamwood |
Borehamwood, Elstree, Well End |
1,089 |
| WD7 |
Radlett |
Shenley, Radlett |
436 |
| WD17 |
Watford |
Watford, Cassiobury, Nascot Wood |
570 |
| WD18 |
Kings Langley, Watford |
West Watford |
725 |
| WD19 |
Watford |
Oxhey, South Oxhey, Carpenders Park |
685 |
| WD23 |
Bushey |
Bushey, Bushey Heath |
777 |
| WD24 |
Watford |
North Watford |
533 |
| WD25 |
Watford |
Garston, Aldenham, Leavesden, Letchmore Heath |
681 |
| WD99 |
Watford |
Non-geographic |
21 |
