Mmmm.... I don't really know what will happen but if Brexit does really happen would get Spanish or Irish nationality whichever is easiest. (My mum was born in Belfast). The process costs about 100 odd euros apparently for Irish citizenship. Just another bureaucratic pain in the arse imo...
I live in Spain and whenever I go to UK now I just take out money from a cashpoint using my Spanish credit card. I think the commission is about 5€ every time but it is a lot more convenient. So at a pinch you could always take money out of a Spanish ATM using your UK visa card. The big cards in...