| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | Terminated January 2007 | |
| England | Hertfordshire | Large | Terminated July 2007 | |
| England | Hertfordshire | Large | Terminated March 2007 | |
| England | Hertfordshire | Large | Terminated April 2014 | |
| England | Hertfordshire | Large | Terminated July 2012 | |
| England | Hertfordshire | Large | Terminated August 2010 | |
| England | Hertfordshire | Large | Terminated August 2011 | |
| England | Hertfordshire | Large | Terminated August 2012 | |
| England | Hertfordshire | Large | Terminated September 2013 | |
| England | Hertfordshire | Large | Terminated October 2008 | |
| England | Hertfordshire | Large | Terminated May 2010 | |
| England | Hertfordshire | Large | Terminated April 2021 | |
| England | Hertfordshire | Large | Terminated May 2010 | |
| England | Hertfordshire | Large | Terminated May 2010 | |
| England | Hertfordshire | Large | Terminated July 2011 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated August 2011 | |
| England | Hertfordshire | Large | Terminated September 2008 | |
| England | Hertfordshire | Large | Terminated May 2009 | |
| England | Hertfordshire | Large | Terminated February 2020 |