The Watford Constituency
 
The constituency comprises the whole of Watford Borough Council, together with five wards from Three Rivers District.
 
Two of the Three Rivers wards, Carpenders Park and Oxhey Hall, are to the south of Watford town and include mostly prosperous commuter villages.

The remaining three, Abbots Langley, Langleybury and Leavesden, are to the north of Watford and include the large village of Abbots Langley which is more mixed in character.