the 'winner takes all' ：First Past the Post (FPTP) electoral system

First Past the Post (FPTP) FPTP is the voting system used for the election of MPs to 'seats' in the UK Parliament. It is a system in which the 'winner takes all' and usually gives a clear majority both at constituency and national level.

BBC - Higher Bitesize Modern Studies - Electoral systems, voting and ...

www.bbc.co.uk/bitesize/higher/modern/uk_gov_politics/elect_vote/revision/1/

In Britain’s electoral system, seats won at a general election are not shared out between the parties proportionally nationwide. Instead each one of the 650 constituencies is self-contained, meaning any vote not used to win a seat is in effect wasted

The winners and losers of Britain’s “first past the post” electoral system

From the archive

ECONOMIST.COM