In this case the Council in considering an application for residential development which might affect a listed building initially issued a negative screening opinion but then changed its mind and decided EIA was required. The applicant applied for a screening direction, which found that there would be no significant effects.  The case stated that an approach which considered whether there was a real risk as opposed to a probability of an impact embodied a sufficiently precautionary approach was required.

(Provided by: Wildlife Direct)