Whenever turning left over 5mph.

No play detected in the wheel when in the air, cv joint isn't clicking, suspension bushes look fine.

Only other possible symptom is the disc on that side squeals at between 20 and 30% brake pedal, cant see anything caught in the pads and no telling grooves in the disc?

 

Any ideas? or should I just change the hub?

Just in case, did you check the left wheel etc. as well?

Sounds like a wheel bearing going and if it's apparent turning left it's probably the driver's side that is going ..