Hi Phoebe Chan
You will need to work out your residence position, using the statutory residence tests here RDR3 Statutory Residence Test
As you rent out a UK property, you are required to complete a self assessment tax return.
If you are treated as resident in the UK for the whole tax year and split year treatement does not apply, then you are taxable on your world-wide income, so you would need to declare your foreign income pages (SA106).
If split year treatment does apply, you would declare this on SA109.