Can I afford to retire in Bali with £400,000 at 47 years-old as a single guy?

Also, which broker platform would be best to use out there to access this money when needed, to mitigate against taxes & fees? Not easy finding this information.

Would it be best to keep my existing U.K. bank account and use Transferwise to access £10,000 funds from there in Bali, or open a Bali bank account to benefit on their interest rate? Or, do both?
Am I right in thinking current account interests rates are around 3.5-4.0% currently?

Thanks in advance.

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