Hi again,
re the Newent Workhouse it always pays to search this forum for related prior threads. Thanks to you I've found a resource I didnt know we had !
see
http://www.forum.forest-of-dean.net/index.php?id=39969

This is recognised as "the" authority website on the subject.
http://www.workhouses.org.uk/

So for Newent, http://www.workhouses.org.uk/Newent/