On 16/08/2018 14:48, The Natural Philosopher wrote:
....
No. I think the situaion is similar to when I built my new house,.
Because it was by then a 'new build' they refused permsission to use the
existing two chamber septic tank....

That is quite different. New builds must comply with the current
regulations. Existing builds only have to have complied with the
regulations in force at the time they were built, if there were any.



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Colin Bignell