If you are involved in an accident do not discuss who was to blame as this could lead to complications for you and your insurance company. However you should still take down the facts of what occured.
Any penalty points you have previously accumulated must be declared to your new insurance company. If you buy a new car insurance policy and do not declare these points, you may risk not being insured should you need to amke a claim.
If you own a "classic car" you may be able to get cheap insurance if you only do limited mileage each year. Often many companies have special rates for thsi type of vehicle especially if it is not your main car.