Trying to identify my underfloor heating cold tails

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HI everyone,

We bought a house about five years ago, and it has a freezing cold kitchen, which we later learned has underfloor heating that was apparently damaged during a flood. Something tells me this isn't the case, and that it was just the electrics above surface that got damaged. I have done some investigation, and have uncovered a junction box under the kitchen cabinets that feeds into the wall. It's 6mm T&E.

Screenshot 2026-03-21 132015.png

Here you can see it going into the junction and emerging from the wall. This is under the kitchen units. It's not live.

At the consumer unit, the cable emerges, and goes into another junction box, with another piece of 6mm coming out with "underfloor heating" written on it. The cable has been cut and taped. Presumably, this went into a breaker at some point

Screenshot 2026-03-21 131957.png

My problem is that I cannot find where the underfloor heating would actually connect to this junction box.. the only thing under here that even looks remotely possible is this cutout in the kitchen tile:

Screenshot 2026-03-21 132055.png

I'm trying to put all this together to see how I can prove the heating still works, but finding the cold tails is my problem.

If anyone can shed some light based on these images, I'd appreciate it, I get there's little to go on!

Thanks
 
I'm trying to put all this together to see how I can prove the heating still works, but finding the cold tails is my problem.

You would need to both check the continuity of the circuit, and the insulation resistance, before even considering whether it was worthwhile pursuing.
 
I’m guessing with the copper it’s wet underfloor heating (ufh)? If so, surely new electrics could be run to it?
 

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