At the moment i have standard wheels size 185/60 R14

Can i fit on alloys 15" pyxie alloys from a Octavia?, rim diameter 15, rim width 6.5j, tyre 205/50 R15?

Please offer some advice, thanks.

Your overall gearing goes up by about 1%, but that's less than changing from worn out to brand new tyres so that's ok.

Check that the new alloys are 5x100PCD, and ET35 or ET42; if so then job's a good 'un.