King Charles uses a variety called Received Pronunciation, but both of his sons (William and Harry) use Southern Standard British instead. Geoff Lindsey has a video on the differences.
As such, once William rises to the throne, what’s considered “the King’s English” will change. And, alongside it, what plenty people in the UK consider as standard English will change too.
Who speaks proper English?
The Queen/king and no one else.
It’s kind of off-topic, but also on-topic:
King Charles uses a variety called Received Pronunciation, but both of his sons (William and Harry) use Southern Standard British instead. Geoff Lindsey has a video on the differences.
As such, once William rises to the throne, what’s considered “the King’s English” will change. And, alongside it, what plenty people in the UK consider as standard English will change too.