Medieval Fortifications Databases The full databases of medieval fortifications as published on the website; Gatehouse. Please feel free to download these for your own use. Download the notes file for more information. Last and final update 9 April 2007. Wales Size: 2.8 MB Filemaker Pro version of the Welsh database England Size: 23.4 MB Filemaker Pro version of the English database Wales Size: 1.2 MB Tab delimited ascii text version of the Welsh database England Size: 6 MB Tab delimited ascii text version of the English database Wales Size: 2.4 MB Excel version of the Welsh database England Size: 12 MB Excel version of the English database The Islands Size: 384 KB Filemaker Pro version of the database for the Isle of Man and the Channel Islands Licence to Crenellate Size: 2.2 MB Filemaker Pro version of the database of Licences to Crenellate The Islands Size: 31 KB Tab delimited ascii text version for the Isle of Man and the Channel Islands Licence to Crenellate Size: 499 KB Tab delimited ascii text version of Licences to Crenellate database The Islands Size: 69 KB Excel version for the Isle of Man and the Channel Islands Licence to Crenellate Size: 915 KB Excel version of Licences to Crenellate database Guidance notes Size: 6 KB Guidance notes for these databases.