You want to download all the INSPIRE polygons, but they are split up into 300+ separate zip files. https://www.gov.uk/government/collections/download-inspire-index-polygons
Install inspire-polygon-list and run it to get all the urls in one place.
npm i -g inspire-polygon-list
inspire-polygon-list
# http://data.inspire.landregistry.gov.uk/Abertawe_-_Swansea.zip
# http://data.inspire.landregistry.gov.uk/Adur.zip
# http://data.inspire.landregistry.gov.uk/Allerdale.zip
# http://data.inspire.landregistry.gov.uk/Amber_Valley.zip
# http://data.inspire.landregistry.gov.uk/Arun.zip
# ...
From the list you could then use wget or similar to download them all.
wget $(inspire-polygon-list)
FINISHED --2016-12-12 16:32:29--
Total wall clock time: 11m 36s
Downloaded: 348 files, 4.4G in 10m 50s (6.90 MB/s)If you're a fan of copy'n'pasting, then https://github.com/olizilla/inspire-polygon-list/blob/master/urls.txt might be what you're after.