| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated December 2020 | |
| England | Hertfordshire | Large | Terminated November 2020 | |
| England | Hertfordshire | Large | Terminated February 2021 | |
| England | Hertfordshire | Large | Terminated December 2021 | |
| England | Hertfordshire | Large | Terminated February 2022 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated February 2021 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large |