Being an MP is primarily to serve your constituents, not transform the country. That's, allegedly, what the Prime Minister and members of the cabinet are supposed to do. There are few MP's, not in government, who can be said to have 'transformed' the country.
I've no idea what he's achieved for his constituents either to be honest. Obviously he came to public attention when the mines in that part of the world shut down, but I couldn't tell you if he has helped Bolsover adapt to a post-industrial life any better than the other towns like that around the country.

