This one is the cable you need, have bought and tested. IRC Tramp HV Camera Cable - 4 Pin HS1177 [TMP-CAM-HS1177] - $4.99 : Ready Made RC LLC, The Leader in All Things FPV, RC, and Beyond
You have to see for yourself tho if you find it in a UK webshop.
But my main concern with that port is that...