Because your son is 20 and it means you are fronting. Premiums go down with age so Mr Den insuring you as a named driver or vice versa wouldn't really make a difference. Making out Mr Den has the majority use of the car when it's your sons, to get the premiums down is illegal.
Car insurance firms are rejecting a thousand claims a year as some parents and children lie to save money, says the Financial Ombudsman Service.
A fraud called "fronting" occurs when a young person has a car in their own name, but the insurer is falsely told that a parent is the main driver.
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