| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | Terminated July 2005 | |
| England | Hertfordshire | Large | Terminated April 2012 | |
| England | Hertfordshire | Large | Terminated July 2007 | |
| England | Hertfordshire | Large | Terminated December 2012 | |
| England | Hertfordshire | Large | Terminated February 2003 | |
| England | Hertfordshire | Large | Terminated April 2009 | |
| England | Hertfordshire | Large | Terminated May 2010 | |
| England | Hertfordshire | Large | Terminated April 2009 | |
| England | Hertfordshire | Large | Terminated December 2005 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated October 2005 | |
| England | Hertfordshire | Large | Terminated May 2003 | |
| England | Hertfordshire | Large | Terminated July 1995 | |
| England | Hertfordshire | Large | Terminated April 2003 | |
| England | Hertfordshire | Large | Terminated October 2006 | |
| England | Hertfordshire | Large | Terminated April 2006 | |
| England | Hertfordshire | Large | Terminated February 2006 | |
| England | Hertfordshire | Large | Terminated March 2009 | |
| England | Hertfordshire | Large | Terminated June 2008 | |
| England | Hertfordshire | Large | Terminated June 2008 |