Hertsmere
21 postcode sectors mapped mainly to Hertsmere. Choose a district or browse the guides below. These are postcode sectors, not named neighbourhood boundaries.
Postcode districts
Area guides
21 sectors
- EN5 4Near Hadley
- EN6 2Near Potters Bar
- EN6 3Near South Mimms
- EN6 5Near Potters Bar
- EN6 9Near Potters Bar
- WD23 1Near Bushey
- WD23 2Near Bushey
- WD23 3Near Bushey
- WD23 4Near Bushey
- WD23 9Near Bushey
- WD25 8Near Aldenham
- WD6 1Near Borehamwood
- WD6 2Near Borehamwood
- WD6 3Near Borehamwood
- WD6 4Near Borehamwood
- WD6 5Near Shenley
- WD6 9Near Borehamwood
- WD7 0Near Aldenham
- WD7 7Near Aldenham
- WD7 8Near Aldenham
- WD7 9Near Shenley
Authority grouping uses mapped sector boundaries from the Office for National Statistics, December 2025. It measures boundary area, not the number of addresses or residents. Guide names describe a place near the approximate sector centre.