When my sister got married, at the rehearsal the celebrant said he had to be careful what he said and when because if he said 'too much' they would end up married sooner than they planned. Although this was a year or two ago a question has lingered: at what point in a ceremony, taking place in England and Wales, does the marriage become official?
I'm not concerned with wedding scenes for TV and film because there are precursor steps leading up to the ceremony that would prevent an 'accidental' marriage. I'm also like to know if there are any differences between marriage and civil partnerships.
All the results my searches have returned are related to what conditions make a marriage legal rather than the point it becomes legal.