| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | Terminated March 2019 | |
| England | Hertfordshire | Large | Terminated October 2007 | |
| England | Hertfordshire | Large | Terminated January 2009 | |
| England | Hertfordshire | Large | Terminated July 2010 | |
| England | Hertfordshire | Large | Terminated March 2006 | |
| England | Hertfordshire | Large | Terminated April 2006 | |
| England | Hertfordshire | Large | Terminated January 2008 | |
| England | Hertfordshire | Large | Terminated March 2006 | |
| England | Hertfordshire | Large | Terminated November 2007 | |
| England | Hertfordshire | Large | Terminated September 2011 | |
| England | Hertfordshire | Large | Terminated January 2010 | |
| England | Hertfordshire | Large | Terminated June 2000 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated October 2006 | |
| England | Hertfordshire | Large | Terminated March 2006 | |
| England | Hertfordshire | Large | Terminated January 2006 | |
| England | Hertfordshire | Large | Terminated March 2019 | |
| England | Hertfordshire | Large | Terminated June 2008 | |
| England | Hertfordshire | Large | Terminated March 2019 | |
| England | Hertfordshire | Large | Terminated June 2008 |