I think I found the answer to this but I am not one hundred percent sure. (Case 6 for split year treatment?).
I moved abroad mid-April for work in year 2024 to 2025 (not working or claiming benefits in the few days I was in the UK at the start of the tax year) and plan to return to the UK having stopped work in early August this tax year, and to be retired.
From HMRC website:
'You will not get split-year treatment if you live abroad for less than a full tax year before returning to the UK.'
This is unclear to me if they literally mean I spent no time living in the UK, as I did spend 2 weeks before I moved abroad (and a week later in the year on holidays) last tax year, or it means that I was non-resident for tax purposes.
Other HMRC pages suggest the latter - that I was not living in the UK as I was non resident for tax purposes (definitely resident for tax purposes and paying income abroad for the whole period).
If I don't get split year treatment, I can't afford to come home until October

Does anyone have any insight on this one?
Many Thanks
PJ