The nine proposed properties in Briston are going ahead because the builder behind the scheme bought 'credits' used to provide new septic tanks for homes elsewhere in the county.

The project aims to mitigate the effect new homes can have on rivers in Norfolk, through wastewater they produce, by offsetting the pollution in other ways.

Septic tanks are being replaced (Image: Newsquest Archive)

READ MORE: Bizarre 'tanks for nothing' scheme giving out FREE septic tanks

The system was introduced to navigate so-called 'nutrient neutrality' rules, which had........

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