In an earlier contribution to this discussion,
Broadback wrote:

This is the scenario.

A little lead piping in the house, though mainly copper. Lead pipe
from the water board roadside stopcock, along the garden into the
lounge under the floorboards, diagonally across the lounge into the
pantry, via a many times painted stopcock up into the bathroom, then
into a copper system.

I am refurbishing the house, starting in the lounge, when finished I
do not want to remove the floorboards again.

Tentative plan.

Dig a hole and expose lead pipe near the house. fit connector to blue
plastic pipe fed across the lounge and up to the copper piping in the
bathroom. At a later date replace the remaining lead pipe with blue
plastic.

Is that practical or will the underground (initially plastic to lead
then plastic to plastic connector be too vulnerable over the years?

Any comments or fresh ideas welcome.

TIA
John

Sounds ok in principle. If you're worried about the lead to plastic
(ultimately to be plastic to plastic) joint, could you put that *just*
inside the house so as to be accessible - with a small trap in the
floorboards to get at it?

Not sure whether you can get lead to plastic in a single fitting. You may
need 2 or 3 bits - going lead to copper and copper to plastic.
--
Cheers,
Set Square
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