concrete base

Hello all, I'm new to this so please be gentle! I've got to pour my extension oversite concrete at the weekend and am not sure how to level it as the finished height of the concrete will be within(lower) than the new brick / blockwork perimeter wall. I have ufh going in so the 100mm celotex...

Hi, my next-door neighbour (in his 70's) has asked me to help him with a metal shed he's ordered, its 10ft x 6ft and will require being screwed down. The soil is quite soft and under the soil it's clay, he just wants to plonk down some concrete but I've told him it needs some hardcore first...