| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | Terminated January 2020 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated December 2017 | |
| England | Hertfordshire | Large | Terminated November 2016 | |
| England | Hertfordshire | Large | Terminated July 2020 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated March 2019 | |
| England | Hertfordshire | Large | Terminated July 2018 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated October 2018 | |
| England | Hertfordshire | Large | Terminated March 2019 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated May 2019 | |
| England | Hertfordshire | Large | Terminated June 2020 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated November 2021 | |
| England | Hertfordshire | Large | Terminated December 2020 |