For a house built in 1997 will the water mains have ducting from the water meter (front) all they way under concrete slab base to the rear where the mains comes to the stopcock?
Possibly duct. If copper would have been protected from the concrete
in some way. If it is plastic pipe they might have done it on the cheap
and just buried it in the concrete.
You should see any ducting where it goes into the concrete and comes out again.
It's rare to see it done well though. Most likely bodge it and scarper.
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