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Connecting mains water supply to a new location

Joined
23 Jun 2025
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Afternoon all,

I'm planning ahead to replace the lead water supply with MDPE, but stuck on where to attach the new supply.

Existing supply goes to a stopcock in the kitchen, but the pipe is laid beneath the concrete floor.

Rather than connect the new supply to the same point, I'm thinking of running it under floorboards and up into the downstairs bathroom/boiler room, and connecting it to the existing coldwster pipes there.

Then in a couple of years when we get around to redoing kitchen and bathroom, just start fresh from the new point in the bathroom.

Any problems with doing it that way around? All of the cold water feeds seem to come from the bathroom already, only its fed by a single 15mm pipe from the stopcock.
 
If it's easier, look at the Insuduct, this allows you to bring the supply up above ground externally, then go through the wall at a convenient point to join the existing supply. https://groundbreaker.co.uk/product/insuduct/

otherwise, any suitable point on the cold water system in the property will suffice, it used to be the case the Rising Main came up in the Kitchen to feed the kitchen tap with mains water, as the rest of the property could often be fed from a Cold Storage Cistern in the loft. Kitchen Tap was the only suitable drinking water.
 

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