HMRC Admin 18 Response

Hi,
Yes but only if the transfer is done via the ISA provider - Individual Savings Accounts (ISAs)
Thank you.

Hi,
No.  If there is no income from the property, there is nothing to tax in the UK, so no relief is available.
Thank you.

Hi,
Please refer to:
Tax on your UK income if you live abroad
Thank you.

Hi,
If you mean the affordable home scheme - Affordable home ownership schemes - then yes.
Thank you.

Hi,
This is the standard reply that is sent out when you apply for the certificate and is normally accepted. You will therefore need to send in a copy of the rejection letter you received for this to be escalated.
Thank you.

Hi,
If you are the recipient of the marriage allowance transfer then you do not enter anything on your Self Assessment tax return. Once submitted the systems will pick up the transfer and amend your Self Assessment calculation accordingly. 
Thank you.

Hi,
If you have overpaid tax, you can claim a refund and pay the refund into your pension scheme.
Thank you.

Hi,
If you meet the conditions specified then yes. You may also want to refer to the HS204 that is mentioned:
Limit on Income Tax reliefs (Self Assessment helpsheet HS204)
Thank you.

Hi,
Please refer to:
Tax on your private pension contributions
Thank you.

Hi,
Yes, if they have not been your main residence. See guidance at:
Capital Gains Tax: what you pay it on, rates and allowances
Thank you.