But yes, jurisdiction is an issue, however damage can be done; they don’t want to lose EU and these are violations of our laws so they should be hit hard.
You’ll likely also be awarded interest and the court-appointed interest rates are nothing to sneeze at (they’re based on the banks base interest rate plus a few percent)
Edit: went and looked it up: Interest is applied from the point when the defendant received the court papers and is currently the base rate plus 5 or 9 percent points.