| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated September 2018 | |
| England | Hertfordshire | Large | Terminated September 2020 | |
| England | Hertfordshire | Large | Terminated December 2019 | |
| England | Hertfordshire | Large | Terminated January 2019 | |
| England | Hertfordshire | Large | Terminated October 2018 | |
| England | Hertfordshire | Large | Terminated June 2019 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated July 2019 | |
| England | Hertfordshire | Large | Terminated August 2020 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated November 2020 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated May 2021 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large |