This has been discussed above (point 4). We make the following additional general point. The language of flood risk, still used in Flood Risk Assessments, is now outdated. The concept of a '100 year event' cannot be applied under current conditions where both the magnitude and frequency of events are increasing exponentially. The National Flood Resilience Review (2016) summarises this succinctly (page 31) 'Our analysis .. indicates that on average there is a 10% likelihood of a region experienc