Keir Starmer is being urged to stand up to the left of his party as a battle rages within the government over whether to impose a mansion tax in next month’s Budget – which some fear could have a severe impact on the housing market.
The chancellor, Rachel Reeves, is understood to be seriously considering the proposal for her 26 November statement as she attempts to not only fill a £40bn black hole in her finances but also find more than £10bn of headroom to deal with future shocks.