Yorkshire, Lancashire, Manchester, Leeds: all of them native since I've lived half my life in one area and half in the other.
Other accents used professionally: American standard, New York, Italian Brooklyn, Southern American, Native American, Eastern European, Irish (Republican), Derby, London, Cockney.
Other accents in repertoire: Glasgow, Edinburgh, English Midlands, Rural South West England.
The voice is also an actor's, capable of inhabiting characters both serious and comic.
The natural voice (with slight adaptations) has been found useful for judges (I am told by casting directors that I have gravitas, but my doctor says she can do nothing about that), senior army officers, (years ago I was a junior one)clergymen, surgeons, politicians, grandfathers, pensioners, heavy fathers,