UK Tax Questions? Ask a UK Tax Advisor for answers ASAP
Hello, I am Keith, one of the experts on Just Answer, and pleased to able to help you with your question.
The UK has no gift tax regime so any gift to you from his Oz sales will not be taxable in the UK. Just make sure that your bank is aware of incoming funds and their source to head of any money laundering queries a large transfer might attract.
I have assumed that your father is not resident in the UK. Australia has no capital gains tax as such, but gains of this nature would be taxable as Income Tax there. If he is UK resident for tax purposes, please come back to me as my answer would need expanding.
I do hope that my reply has been of assistance.