Well, I just meant is is one of many accents from the north of England as the speaker was from Staffordshire. Although to be accurate I think it is just about the midlands (central England) rather than the true north - being from the south I tend to think of anywhere 'up there' as north!
To be honest, you are unlikely to be able to perfect a particular British accent. Even professional actors find this difficult (American actors trying to sound British in films usually fall far from the mark. A few manage but that is with professional voice coaching). Still, if you can name an actor you like the sound of I will try and tell you what type of accent he has.
But, really, what is wrong with your own accent?