| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | Terminated March 2008 | |
| England | Hertfordshire | Large | Terminated April 2013 | |
| England | Hertfordshire | Large | Terminated March 2009 | |
| England | Hertfordshire | Large | Terminated April 2017 | |
| England | Hertfordshire | Large | Terminated May 2011 | |
| England | Hertfordshire | Large | Terminated April 2008 | |
| England | Hertfordshire | Large | Terminated May 2014 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated June 2012 | |
| England | Hertfordshire | Large | Terminated June 2014 | |
| England | Hertfordshire | Large | Terminated May 2013 | |
| England | Hertfordshire | Large | Terminated August 2009 | |
| England | Hertfordshire | Large | Terminated January 2008 | |
| England | Hertfordshire | Large | Terminated August 2017 | |
| England | Hertfordshire | Large | Terminated September 2021 | |
| England | Hertfordshire | Large | Terminated September 2008 | |
| England | Hertfordshire | Large | Terminated September 2014 | |
| England | Hertfordshire | Large | Terminated October 2008 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated December 2018 |