Flight of the non-doms: how worried should Labour be about the super-rich leaving the UK?

Reports say wealthy elite are leaving over tax changes - prompting a possible rethink by Rachel Reeves - but hard data is tricky to find

In Chester Square, the exclusive London address that was once home to Margaret Thatcher, multimillion-pound stuccoed townhouses are proving a hard sell.

More than 20 luxury properties in the Belgravia postcode are on the market, says a buying agent. In nearby Montpelier Square in Knightsbridge, less than a 10-minute walk from Harrods department store, nine houses are on the open market.