| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | Terminated September 2003 | |
| England | Hertfordshire | Large | Terminated June 1997 | |
| England | Hertfordshire | Large | Terminated September 2003 | |
| England | Hertfordshire | Large | Terminated August 2001 | |
| England | Hertfordshire | Large | Terminated May 2011 | |
| England | Hertfordshire | Large | Terminated May 2010 | |
| England | Hertfordshire | Large | Terminated July 2005 | |
| England | Hertfordshire | Large | Terminated April 2007 | |
| England | Hertfordshire | Large | Terminated January 2008 | |
| England | Hertfordshire | Large | Terminated April 2007 | |
| England | Hertfordshire | Large | Terminated February 2011 | |
| England | Hertfordshire | Large | Terminated July 2006 | |
| England | Hertfordshire | Large | Terminated July 2011 | |
| England | Hertfordshire | Large | Terminated July 2007 | |
| England | Hertfordshire | Large | Terminated July 2010 | |
| England | Hertfordshire | Large | Terminated August 2006 | |
| England | Hertfordshire | Large | Terminated August 2007 | |
| England | Hertfordshire | Large | Terminated October 2006 | |
| England | Hertfordshire | Large | Terminated December 2015 | |
| England | Hertfordshire | Large | Terminated January 2007 |