NCB lost?

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I’ve a 2nd car with 2 years NCB, policy runs out end of June so I should now have 3 years NCB at renewal. Last November I’m driving home and a pedestrian runs off the road and clatters into my car, ambulance and police called, police find two witnesses who say I did nothing wrong and guy was in wrong, I paid for damage to my car to avoid losing my NCB. Cops said I had nothing to worry about as I wasn’t at fault. The guy signed himself out of hospital that night and was back at work a few days later.
I get my renewal in today for my insurance and I’ve lost all my NCB.
It says Claims and losses £tbc accident damage-November 2009. 0 NCD
Before I phone up and lose it with the insurance company where do I stand?
Thanks in advance.