Followers of this blog!
The database I have been working on since 2012 is now freely available online at the Archaeology Data Service: http://archaeologydataservice.ac.uk/archives/view/romurbital_mc_2015/index.cfm
Also available at this link are the database’s explanatory notes, a bibliography, a list of sites excluded from the study and a list of ancient settlement names without archaeological locations.
An article explaining the database’s research design, methodological development, format and functionality has also been published Open Access by Internet Archaeology: http://intarch.ac.uk/journal/issue40/index.html (authors: J. Sewell and R.E. Witcher).