It appears the Conservatives have suffered heavily in places where more than a third of households have a mortgage – a reflection perhaps of the damage done by former prime minister Liz Truss’s "fiscal event", says BBC polling expert John Curtice.
Meanwhile, Labour’s vote is up more in seats where a large part of the population say they are in bad health – a measure of relative deprivation – and in places where more people voted Leave in 2016.
At the past five UK general elections, the exit poll has been accurate to within a range of 1.5 and 7.5 seats.
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