| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | Terminated August 2009 | |
| England | Hertfordshire | Large | Terminated February 2007 | |
| England | Hertfordshire | Large | Terminated April 2008 | |
| England | Hertfordshire | Large | Terminated October 2006 | |
| England | Hertfordshire | Large | Terminated April 2008 | |
| England | Hertfordshire | Large | Terminated June 2009 | |
| England | Hertfordshire | Large | Terminated July 2016 | |
| England | Hertfordshire | Large | Terminated July 2007 | |
| England | Hertfordshire | Large | Terminated August 2010 | |
| England | Hertfordshire | Large | Terminated July 2007 | |
| England | Hertfordshire | Large | Terminated August 2007 | |
| England | Hertfordshire | Large | Terminated October 2007 | |
| England | Hertfordshire | Large | Terminated October 2011 | |
| England | Hertfordshire | Large | Terminated December 2008 | |
| England | Hertfordshire | Large | Terminated November 2009 | |
| England | Hertfordshire | Large | Terminated November 2007 | |
| England | Hertfordshire | Large | Terminated November 2007 | |
| England | Hertfordshire | Large | Terminated January 2008 | |
| England | Hertfordshire | Large | Terminated February 2011 | |
| England | Hertfordshire | Large | Terminated February 2012 |