On Nov 14, 6:27*pm, Catherine Davis wrote:
Here in France the rules are very strict for new work done, all
building works done by a registered builder carry a 10 year guarantee,
but there is no interest taken in living conditions in old houses,
there is still no legal requirement to have a septic tank!... (but we
have one)

Ah, it is France?

Self-build is not subject to regulations surely in France?