The car has not be seized but I have received a written threat from a firm of bailiffs that are involved in a disputed council tax liability order.
No private use
It seems to be a matter of establishing that my car is "a tool of my trade"
That is it is licenced by the local licencing authority, I am the licenced driver and as such I am the only person allowed to drive it and the insurance premium is for a public service vehicle. Further the car shows the plate number.