So what do the bookmakers think about the chances of each of the 16 candidates come Thursday? Here are the latest odds courtesy of William Hill. Please note that prices may fluctuate.
17. Overall picture
Labour have retained the seat, which was renamed in 1974, since succeeding the Tories in 1964 and triumphed at the 2019 General Election with a 3,595 majority. The town's last Parliamentary by-election was held in 2004 after Peter Mandelson become a European Commissioner. Photo: Frank Reid
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