If you watch just one seat be announced in the general election results, it would be wise to make that seat Dartford.

Dartford is the longest serving bellwether seat in the country and should act as an indicator for who will be in Number 10 tomorrow.

A bellwether is a term for something that leads or indicates trends, and Dartford has followed the national voting trend for an impressive 14 times in a row.

MORE: Here are what the Dartford candidates think are the important issues for the town

The Dartford constituency has reflected the result of every general election since 1964.

Other bellwether constituencies include Basildon, Bristol North West and Battersea.

In 2015, Gareth Johnson won 49 per cent of the vote, nearly double the Labour candidate at the time Simon Thomson.

Turnout in 2015 was 68.4 per cent, up 2.7 per cent from 2010.

Mr Johnson is running again this year against Liberal Democrat Simon Beard, Labour’s Bachchu Kaini, Green’s Andy Blatchford, Ukip’s Ben Fryer and independent candidate Ola Michael Adequnmi.