Sounds like a noisy thrust bearing, there is not much you can do about it without removing the gearbox so if its not to bad I wouldn't worry.

My wife's pug 106 had a similar noise from the clutch when it was pressed. Unfortunately, a week later the release bearing collapsed ripping the diaphragm out of the pressure plate.

It's difficult to say whether yours will be OK not having heard the noise, but from my experience, it won't fix itself with time. It's your call whether to get it fixed or not but if it were mine, I'd get it sorted.

Thanks for further advice on this. Car in Ford Service centre next Tuesday so will highlight issues further when I go in. To answer noise question. At the moment I would describe it as faint but noticeable. ( It only started this Sunday gone. Thursday now as I write this).