“The voting system in Britain has been heavily reliant on trust ever since an equal franchise was extended to women in 1928 and the voting age was lowered to 18 in 1969. No one is checked or required to present identity documents. Postal votes are available, which can lead to people being pressed to back particular candidates. And proxy votes can be cast in one constituency without proper controls over whether the same person has voted in another.
In Northern Ireland, intimidation of voters was an issue during the Troubles and, latterly, postal vote fraud has been identified in some constituencies with large south Asian populations. In much of the country, however, this phenomenon has been largely absent and has probably had little influence on election outcomes. …”