On the basis of the information provided, you would not be required to complete a 2023 tax return. As a UK resident in the 2023/24 tax year, you will however be required to declare your HK pension in in a 2024 Self Assessment tax return.
Tax on foreign income
You will also have to declare the UK interest of £1900. You can check if you qualify for Private Residence Relief on the sale of your HK home by using the HMRC calculator.
Work out tax relief when you sell your home