Many car insurance policies provide cover for driving in Europe for up to 30 days, though you will need to check your exact policy details or speak with your insurer before you leave to confirm this.
The standard cover for driving in Europe provided by many insurers is usually the most basic third party cover.
With limited insurance, if you have a car that's expensive to repair you may want to consider upping your level of cover. Your insurer may charge you for this but without additional cover, if you're involved in an accident that's your fault or where the fault is unknown, you won't be able to make a claim for repairs needed to your car or legal fees resulting from the accident.
Some insurers offer European cover as an optional extra when taking out a policy. When it comes to running a quote through Confused.com, once you have your list of prices, click on the 'About Provider' button next to each provider to see whether they include EU cover or a green card.
A green card is issued to you by your insurer for use whilst driving abroad. It's a motor insurance certificate valid in Europe that can help making a claim or exchanging details with another driver or the local police whilst abroad, easier.
You should always inform your insurer if you're planning to drive your car abroad but by letting them know, they'll also be able to issue you with a green card.