Perfect. Now it works as expected :-)

For re-use: https://github.com/rockpooldigital/bmx-testresultssummary Cheers again, Jamie

Thanks for the bug report. We've just published v4.3 of the NUnit extension which should resolve this issue.

I believe someone from our support staff emailed you a quick fix for this. It appears the double.Parse() method was not taking the current NumberFormatInfo into account for some reason.