HMRC Admin 8 Response

Hi,
It does not matter which home you stay in.  As soon as you spend a single night in either property, you meet the accommodation tie.
Thank you.

Hi,
As non resident you only declare UK income:
Tax on your UK income if you live abroad
Thank you.

Hi,
No this is not taxable.
Thank you.

Hi,
No.  There are no tax implications from cash gifts.
Thank you.

Hi,
The answer to your question is No.
Thank you.

Hi,
They should provide written evidence that tax has in fact been paid to HMRC rather then British Tax Bureau as this is not a government tax department.
You can then send that evidence to HMRC to allocate to your records if applicable.
Thank you.

Hi,
You are correct:
Individual Savings Accounts (ISAs)
Thank you.

Hi,
Please refer to:
Check if you need to send a Self Assessment tax return
Thank you.

Hi,
You will need to review the guidance on statutory residence and tax the statutory residence tests, to determine whether you will be UK tax resident for the full tax year or not.  
From there you can review whether split year treatment applies.  
This guidance will also help you work out how many days you can spend in the UK and not be classes as tax resident.  
The number of days will depend on your personal circumstances.  
The days outside the UK on holiday will count towards the number of days in the UK:
RDR3 Statutory Residence Test
Thank you.

Hi,
We cannot advise on your investment plan.  You should discuss with the investment plan provider.
Thank you.