Yeah I've just looked it up too and I think you're OK. I think the reason I was taxed is because I was refunded at 43p a mile.
Sorry for the false alarm
I think, when they had a one day strike last week, the union had agreed with management that the firefighters would turn out in the event of an emergency.
Here you go (although I think this organisation is due to be abolished soon)
http://www.consumerdirect.gov.uk/
Did you not hold back 10% until you'd agreed the job had been done satisfactorily?