Issues with under floor heating

An inspection carried out recently at a high-end property revealed issues with the underfloor heating system which was missing in several areas. A couple of photographs demonstrating the large gaps in fill are shown here. It can happen not just due to the poor installation; in previous examples, this has happened when last-minute changes in the design have taken place that contradict the layout of underfloor heating When it happens there is no easy way of rectifying other than removing the tiling, smashing the screed and relaying.