| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Hertfordshire | Large | Terminated July 2011 | |
| England | Hertfordshire | Large | Terminated June 2009 | |
| England | Hertfordshire | Large | Terminated June 2009 | |
| England | Hertfordshire | Large | Terminated July 2008 | |
| England | Hertfordshire | Large | Terminated September 2008 | |
| England | Hertfordshire | Large | Terminated August 2010 | |
| England | Hertfordshire | Large | Terminated December 2009 | |
| England | Hertfordshire | Large | Terminated January 2010 | |
| England | Hertfordshire | Large | Terminated January 2010 | |
| England | Hertfordshire | Large | Terminated February 2019 | |
| England | Hertfordshire | Large | Terminated February 2010 | |
| England | Hertfordshire | Large | Terminated February 2016 | |
| England | Hertfordshire | Large | Terminated April 2012 | |
| England | Hertfordshire | Large | Terminated May 2013 | |
| England | Hertfordshire | Large | Terminated July 2013 | |
| England | Hertfordshire | Large | Terminated May 2017 | |
| England | Hertfordshire | Large | Terminated June 2012 | |
| England | Hertfordshire | Large | Terminated September 2010 | |
| England | Hertfordshire | Large | Terminated September 2012 | |
| England | Hertfordshire | Large | Terminated November 2021 |