Is it roughly the same to "prove" your identity in the US as it is in the UK? In the US, at least for most credit checks, you just need your SSN, some public record data about where you've lived, and personal data (name, DOB, etc). It's largely because there is no "National ID" system in the US (due to political reasons). That makes it hard for companies to track people, and the SSN is the only number that people con…
However, in the event of an off-market cash transaction, a lot fewer parties are involved - potentially just a conveyancer/solicitor. I'm guessing it's them who hugely dropped the ball in identity verification.