By Emma Revell Stamp duty isn’t just unpopular, it’s gumming up the housing market and leaving people stuck in properties totally unsuitable for their needs. The next government must raise the threshold or ditch it altogether, says Emma Revell The housing crisis is, at its heart, about supply. For decades, we simply have not built enough homes to keep up with demand. Back in the 2010s, the government set a target for housebuilding in England of 300,000 a year. Not only have we come nowhere near reaching that, but my colleagues at the Centre for Policy Studies have calculated that to keep pace …