Notional election for the constituency of Caerphilly on 12 December 2019

A notional election to the 58th Parliament of the United Kingdom for the constituency area of Caerphilly, forming part of the notional general election on 12 December 2019.

Labour win with a majority of 6,901 - 15.3% - on a turnout of 62.2%.

An electorate of 72,458, having a valid vote count of 45,069.

Candidates

Party Vote Vote share
Labour 19,783 43.9%
Conservative 12,882 28.6%
Plaid Cymru 6,630 14.7%
The Brexit Party 5,287 11.7%
Liberal Democrat 323 0.7%
Green Party 164 0.4%

Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.

Estimates of the 2019 general election result in new constituencies

BBC News, ITV News, Sky News and the Press Association have together produced estimates of the 2019 general election result as if the new constituencies recommended by the separate Parliamentary Boundary Commissions for England, Scotland, Wales and Northern Ireland had then been in existence.

Rallings & Thrasher, Professor David Denver (Scotland), Nicholas Whyte (NI) for Sky News, PA, BBC News and ITV News.

An explanation of the methods used and the electoral impact of the changes can be found in the linked document.