| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | Terminated February 2019 | |
| England | Hertfordshire | Large | Terminated November 2013 | |
| England | Hertfordshire | Large | Terminated November 2009 | |
| England | Hertfordshire | Large | Terminated November 2007 | |
| England | Hertfordshire | Large | Terminated December 2010 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated January 2008 | |
| England | Hertfordshire | Large | Terminated February 2010 | |
| England | Hertfordshire | Large | Terminated April 2018 | |
| England | Hertfordshire | Large | Terminated April 2008 | |
| England | Hertfordshire | Large | Terminated November 2007 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated May 2013 | |
| England | Hertfordshire | Large | Terminated June 2008 | |
| England | Hertfordshire | Large | Terminated May 2010 | |
| England | Hertfordshire | Large | Terminated July 2008 | |
| England | Hertfordshire | Large | Terminated September 2009 | |
| England | Hertfordshire | Large | Terminated August 2011 | |
| England | Hertfordshire | Large | Terminated October 2008 |