How do I manage my own flood resilience?

This can be done here: https://www.gov.uk/check-long-term-flood-risk 

Flood Re is a scheme that provides lower premiums for homes at high risk of flooding. You can find insurers that participate and homes that are eligible at www.floodre.co.uk/findan-insurer or by calling 0330 912 7700. 

You can sign up for flood warnings and alerts here: www.gov.uk/sign-up-for-flood-warnings or by calling 0345 988 1188 (Textphone 0345 602 6340).