UK bosses rush to sell stakes over capital gains tax fearsCity brokers and accountants say they had been swamped with calls from company bosses preparing to sell down stakes in businesses ahead of a potential increase in capital gains tax next year. Meanwhile, research found Londoners pay nearly 30% of the UK’s CGT despite being home to just 13% of the population, with taxpayers in Kensington and Chelsea paying the most. For over £500m of capital gains tax to be paid a year in Kensington & Chelsea is astonishing.