| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated July 2019 | |
| England | Hertfordshire | Large | Terminated August 2012 | |
| England | Hertfordshire | Large | Terminated October 2012 | |
| England | Hertfordshire | Large | Terminated December 2012 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated January 2013 | |
| England | Hertfordshire | Large | Terminated February 2015 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated April 2017 | |
| England | Hertfordshire | Large | Terminated April 2013 | |
| England | Hertfordshire | Large | Terminated February 2013 | |
| England | Hertfordshire | Large | Terminated August 2014 | |
| England | Hertfordshire | Large | Terminated April 2014 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated March 2014 | |
| England | Hertfordshire | Large | Terminated October 2014 | |
| England | Hertfordshire | Large | Terminated January 2017 | |
| England | Hertfordshire | Large | Terminated March 2019 | |
| England | Hertfordshire | Large |