From January 2021, any of Hong Kong’s 2.9 million BN(O) passport holders – and their immediate dependants – will be able to apply for a special visa which gives them the opportunity to live in the UK for five years and a path to permanent residency.The announcement has sent BN(O) passport holders scrambling for UK real estate. Some 7,000-odd homes have been sold in the past two months to Hongkongers alone, according to industry sources.