I have transferred a large amount through OFX with the correct Foreign Transfer documents without any difficulty. Wise were unable to provide that service.
My question is based on thinking that a lease is different to short term rent. If a property is leased how does the owner ever know who the leasee allows to stay at the property? I suspect it is
's partner that is responsible for notifying Immigration through the TM30 when a foreigner stays in the property under their control. They could try to create an online account and TM30 and see if it is accepted.
Banks are commercial companies like any other. The interest rates they offer on particular types of accounts are set by commercial and competitive factors not some international law of being fair. Shop around and see what you can find that meets your needs.