I've also been told tht this will be broken by christmas and that I should have 4" of compacted ruble type stuff with the paving slabs on top.
I've also been told that the 1.5" - 2" slab with paving on top might be OK as long as I put re-enforcing steel mesh in it.
What do I really need?
I don't want to dig out anymore than I have done already.
The plan is to lay concrete up to the level of the existing concrete/paving slabs and then pave over the top of the whole area:

This is area that I want to concrete (upto existing paving slab/concrete slab hardstanding) and the pave over:


Needless to say, I'm a bit confused. ???
Any sugestions gratefully received.
Cheers,
Mark