For example https://www.hsbc.co.uk/help/money-worries/no-fixed-address/
It’s an issue that regulators like the FCA are keenly aware of, and are pushing banks hard to find a solution to.
[1] https://www.proxyaddress.co.uk/
For example https://www.hsbc.co.uk/help/money-worries/no-fixed-address/