| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | Terminated May 2011 | |
| England | Hertfordshire | Large | Terminated January 2014 | |
| England | Hertfordshire | Large | Terminated July 2008 | |
| England | Hertfordshire | Large | Terminated June 2012 | |
| England | Hertfordshire | Large | Terminated January 2009 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated October 2014 | |
| England | Hertfordshire | Large | Terminated September 2013 | |
| England | Hertfordshire | Large | Terminated October 2014 | |
| England | Hertfordshire | Large | Terminated November 2009 | |
| England | Hertfordshire | Large | Terminated May 2014 | |
| England | Hertfordshire | Large | Terminated November 2009 | |
| England | Hertfordshire | Large | Terminated February 2021 | |
| England | Hertfordshire | Large | Terminated April 2020 | |
| England | Hertfordshire | Large | Terminated November 2009 | |
| England | Hertfordshire | Large | Terminated August 2010 | |
| England | Hertfordshire | Large | Terminated July 2011 | |
| England | Hertfordshire | Large | Terminated August 2011 | |
| England | Hertfordshire | Large | Terminated November 2014 | |
| England | Hertfordshire | Large | Terminated November 2015 |