1998 1.6 Clutch judder? ? - Adam21

When I set off sometimes (especially setting off quickly or setting off on a hill), the car really struggles to move forward, without making a really loud sound (like judder/grunting sort of sound !), and even then it really struggles to go. Now, i've figured out a way to move it forward/make less noise, by getting to the biting point but staying at the biting point for a longer time and very slowly easing off the clutch !

Is this a clutch / flywheel problem, the local Vauxhall dealership were going to charge me £484 just to check whether it was...!

Any ideas/views on this would be appreciated
1998 1.6 Clutch judder? ? - piston power
Is this clutch slipping?