In my case,it was 3 separate rear end bumps. The car was repaired and they collected the car. No problems at all.
An 05 Corsa is going to be a total loss.
If the enemy has been instructed by her insurers, give them a ring and ask if there is any catch. You would have hired a car on their instruction under the terms of the policy so they would be paying. A65 Bill would have been a good advisor on this.