| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | Terminated October 2010 | |
| England | Hertfordshire | Large | Terminated December 2010 | |
| England | Hertfordshire | Large | Terminated December 2008 | |
| England | Hertfordshire | Large | Terminated November 2011 | |
| England | Hertfordshire | Large | Terminated March 2011 | |
| England | Hertfordshire | Large | Terminated December 2010 | |
| England | Hertfordshire | Large | Terminated December 2012 | |
| England | Hertfordshire | Large | Terminated January 2009 | |
| England | Hertfordshire | Large | Terminated January 2018 | |
| England | Hertfordshire | Large | Terminated June 2008 | |
| England | Hertfordshire | Large | Terminated January 2010 | |
| England | Hertfordshire | Large | Terminated March 2011 | |
| England | Hertfordshire | Large | Terminated March 2010 | |
| England | Hertfordshire | Large | Terminated April 2009 | |
| England | Hertfordshire | Large | Terminated May 2010 | |
| England | Hertfordshire | Large | Terminated March 2012 | |
| England | Hertfordshire | Large | Terminated April 2012 | |
| England | Hertfordshire | Large | Terminated May 2021 | |
| England | Hertfordshire | Large | Terminated May 2011 | |
| England | Hertfordshire | Large | Terminated May 2012 |