A car is considered ‘written off’ when it’s either too badly damaged to be safely repaired or when the cost to fix it is more than the car’s market value. Your insurer will usually assess the damage and classify the write-off into one of several categories (like Category B, S or N).
Sometimes, yes, especially with Category N or S write-offs. You can buy the car back from the insurer and repair it yourself, but it must be roadworthy and re-registered.
Usually, yes. Once a payout is made, the policy is closed. If you want to insure a new vehicle, you’ll need to take out a new policy.
Yes. The excess is deducted from your payout or may need to be paid upfront.

