If your car does not have an approved immobiliser fitted compare prices for cars that have fitted and unfitted. It might be cheaper to have one fitted than pay a higher premium over the comming years you own that vehicle.
Some companies offer insurance at lower premiums for specific groups less likely to have an accident, like women, who make less claims. Your premium is almost alway calculated on a risk factor.
It's estimated that uninsured drivers add on average £30 to your car insurance policy. Make sure you tell your cheap churchill car insurance online everything they need to ensure you are fully protected. A saving now, may cost you dear in the future.