| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | Terminated January 2014 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated March 2012 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated May 2014 | |
| England | Hertfordshire | Large | Terminated April 2019 | |
| England | Hertfordshire | Large | Terminated April 2013 | |
| England | Hertfordshire | Large | Terminated April 2012 | |
| England | Hertfordshire | Large | Terminated May 2010 | |
| England | Hertfordshire | Large | Terminated June 2011 | |
| England | Hertfordshire | Large | Terminated June 2011 | |
| England | Hertfordshire | Large | Terminated July 2017 | |
| England | Hertfordshire | Large | Terminated August 2018 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated August 2011 | |
| England | Hertfordshire | Large | Terminated August 2012 | |
| England | Hertfordshire | Large | Terminated May 2011 | |
| England | Hertfordshire | Large | Terminated October 2012 | |
| England | Hertfordshire | Large | Terminated February 2015 | |
| England | Hertfordshire | Large | Terminated March 2019 |