The UK Government has released a review of flood risk assessment, reductions in the likelihood of flooding, and ways make the country as resilient as possible to flooding. The reports says, "In the light of the severity of recent events, and the risk that these or similar events will occur again, it is appropriate to reconsider our approaches to assessing flood risk, to reducing the likelihood of flooding, and to making our nation as resilient as possible to flooding."
You can read the full report here.