I bought something for a price, sent them all the requested documents on time and order cancelled because I have not submitted the requested documents on time. It's the principle... They could have said: Listen we made a mistake we can only give you 50% off. Pay the difference if you still want the passes.
On what grounds? You didn't get something for nothing? Chill out
You can do it online. Find explanation here: https://www.gov.uk/make-court-claim-for-money/overview
I think I will reinvest the £25 they will refund me. That is he fee for up to £300 claims
It does cost to do this though.