things like occupation can change the price,try changing different things (within reason!)and you will see a difference.
Pisses me off that, because I work for a company that sell vans they automatically assume I'll be using my own insurance to drive work vans even though I am on works insurance policy.
So I pay out the arse for my trade policy, full of crap, just to get more money out of us.
Assholes they are!