fluid running down clutch pedal

Hi guys, ive recently noticed little drops of oil on my car mat ive found the problem and the fluid is slowly running down the clutch pedal from what looks like a seal on a hydraulic do dar what opperated the clutch when you press the pedal. Anyone had this problem and is it an expensive job and is it an easy d.i.y job?? By the was its a 51 d2 td5 many thanks lee.

Clutch master cylinder but get the slave done at the same time.

Is it an expensive job?

1-2 hours labour. Plus parts.