seems to be ticking very quietly then when I press clutch in it stops??could this be solved by changing gearbox oil any help would be grateful don't wana leave it incase it comes back to bite me in the ass.

You need to ask Azz the Polo gearbox speaclist..sounds like a release bearing to me.

if it was release bearing u would get a rough wuring noise until pedal was pressed never came across a ticking noise but would prob suggest something slipping or worn as when it's rotating it hits a high spot to make a click type noise, dos'nt sound oil related, is clutch working ok n pulling fine?

clutch seems to be working fine pulls well iv just had a engine fitted from a scrapage scheme car, only 70,000 on the clock, clean engine runs alot smoother than my last engine which blew a piston ring. There's no slipping from the clutch it engages fine. But the noise is a really slight tickin or tappin n it stops when I press the clutch