This is an interesting read, which states that successive Conservative governments have reduced the numbers of non-Tory voting electors over the years, first by the Poll Tax, then by the Individual Electoral Registration Act 2013 which removed the Annual Household Review, and more recently by the latest plan to require production of photographic ID at the voting station.
https://www.quora.com/How-has-the-B...bhul8OfWdt_eGGk_3uGytwulPajKC6ACzmr-GXMkwcMJw
https://www.quora.com/How-has-the-B...bhul8OfWdt_eGGk_3uGytwulPajKC6ACzmr-GXMkwcMJw
