| Record added | 15/4/2001 |
| Post Name | MARKYATE STREET |
| OS Grid Reference | TL05741562 |
| County | Hertfordshire |
| Date opened | May 1960 |
| Date closed | September 1991 |
| Location | In the middle of an arable field 200 yards North of Friendless Lane. |
| Description | DEMOLISHED No trace of anything. |
| Remaining Surface Structures |
None |
| Date of Visit | 12.10.1998 |
| Future Actions |
Markyate Post in early 1979 during manning up for an exercise. Observer Dick Hall is struggling with the erratic PE set, Obs. Steve Burborough & Steve Fletcher are waiting to enter the post while L/Obs Phil Chapman is lowering items down the shaft. Photo by Roland Carr