I normalised 51 million property transactions from 16 government registries — here's the bug that nearly ruined it

Property registry data is open in many countries. HM Land Registry publishes every sale in England and Wales. The Dubai Land Department publishes transactions.

Source: [Dev.to](https://dev.to/tianninglab/i-normalised-51-million-property-transactions-from-16-government-registries-heres-the-bug-that-5e0c)