it doesn't sound like a spoof ...IT IS A SPOOF.
no financial institution would ever ask for any details by e-mail ... unless it was warning you to expect a letter or asking you to visit your branch.
full stop ... no matter who, what, why or where it's from
We Brits are so ridiculously willing to please (my old retriever had tighter limits than some "sharp" people I know).
apparently 22% of Brit people buy from spam recommendations - we just don't deserve to survive ... if we were amoebae we'd have been extinct years ago
The British way would be to queue to be ripped off