The services are in and taped/clamped down, and the slab is poured. I could just about hear it hissing/popping this evening, as it starts to set. I’ve got measurements for most of the pipework, but I think the rule will just be “don’t cut more than 4 cm down in the living room” and everything will be fine.
Hard pipe mated to insulated pipe 
Gas coming in to the house 
Water coming in to the house 
Piping laid down on the insulation 
Piping laid down on the insulation 
Insulated radiator and gas pipes 
More electrics running across the insulation 
Rad pipes, gas pipe, water pipe, electrics 
The new slab, setting 
The new slab, setting