Advertisement Hide AdAdvertisement Hide AdTake a billionaire with £1bn in assets: long-term returns of 5 per cent - around £50m a year - are typical. The ultra-rich can then borrow against their holdings to fund lavish lifestyles or acquire more assets (which increase future gains). Legal, yes - but deeply unfair to the rest of the UK who are forced to pay their fair share. PIC: Ian West/PA WireThere are 156 billionaires in the UK, the wealthiest worth about £35bn (creating over a billion in annual gains). The Conservatives and Reform will not tax this wealth; in fact they promise tax cuts.