You can hire a mini digger for 220 a day delivered that's including operator.will all soil stay in the garden ? If not factor in another 150-250 for a 4-6 cubic skip.150 for the person too full the skip.
We are getting 15sqm concrete from roadstone deliver for €300 and it's €200 for the pump (we are terrace house).youll pay a lad 150-250 too level off etc the base.
You be talking the guts of at least 1000-1500 just for the base.
You could save a few quid by doing sum yourself handy enough.
(Our concrete is being delivered Saturday morning in Dublin city )