Not sure about the dates of the 5 in the run off, but the one at Ellesmereport was built in 1944.
Also in 2006 2 were rediscovered when build the new houses on the old Greenalls site, apparently there were also 5 !, these were also attributed to having been built in the early stages of WWII
Edited By The Long Build on 23/11/2014 00:15:50