See the documentation of insurance, will tell you. There are many variables , depending on the insurance company , you have to have at least 21 with some companies even older , his work, even if you get can affect the entitlement to drive other vehicles. The third would cover only .
Your insurance will not cover friends unless they are named in the policy, it is highly unlikely that any insurance of the driver, as it is very expensive.
No matter what level of coverage they have , as long as you have insurance to its name because the legal minimum in the UK is third only and that is the least we can get.
