This is in the British National Grid format. I created it using the ET GeoWizards extension for ArcGIS with the Vector Grid tool. Some additional processing and data manipulation was required to add tile names to the attribute table. I've found it helpful for increasing efficiency. I hope others do too. This dataset was created using ET GeoWizards for ArcGIS. The only additional information used was the X and Y origin coordinates for the British National Grid. GIS vector data. This dataset was first accessioned in the EDINA ShareGeo Open repository on 2010-07-01 and migrated to Edinburgh DataShare on 2017-02-21.ESRI Shapefile