Tools

Flood risk checker

Search a postcode or postcode area against the current live flood-risk postcode summary seam.

Source: Flood risk postcode summary. Coverage: Live flood summary rows matched postcode area TW1. Treat the result as a postcode geometry signal rather than a property-specific verdict.. Freshness: Row refresh date unavailable in current public seam. Matches: 25.

Postcode	Area	Risk level	Feature summary	Flood zones	Planning note
TW1 1AA	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1AF	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1AG	Hounslow	Review flood features	1 flood feature match	FZ2	Use the official long-term flood risk checker before ruling the postcode in or out on one public seam result.
TW1 1AH	Hounslow	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1AJ	Hounslow	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1AL	Hounslow	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1AN	Hounslow	Review flood features	1 flood feature match	FZ2	Use the official long-term flood risk checker before ruling the postcode in or out on one public seam result.
TW1 1AP	Hounslow	Review flood features	1 flood feature match	FZ2	Use the official long-term flood risk checker before ruling the postcode in or out on one public seam result.
TW1 1AQ	Hounslow	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1AR	Richmond upon Thames	Review flood features	1 flood feature match	FZ3	Use the official long-term flood risk checker before ruling the postcode in or out on one public seam result.
TW1 1AS	Richmond upon Thames	Review flood features	1 flood feature match	FZ2	Use the official long-term flood risk checker before ruling the postcode in or out on one public seam result.
TW1 1AU	Hounslow	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1AW	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1AX	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1AY	Richmond upon Thames	Review flood features	1 flood feature match	FZ2	Use the official long-term flood risk checker before ruling the postcode in or out on one public seam result.
TW1 1AZ	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1BA	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1BB	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1BD	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1BE	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1BH	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1BJ	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1BL	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1BN	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.
TW1 1BP	Richmond upon Thames	No direct flood match	No flood feature matches in the current postcode geometry seam.	Zone detail unavailable	Treat this as an early screening signal only and still check the official flood service before you commit.

Known caveats

Flood summaries are postcode-geometry signals only and do not replace a property-specific flood assessment.
The current public flood seam does not expose a trustworthy row refresh timestamp, so freshness is still partial here.
Use the official long-term flood risk service before you rule a postcode in or out on this tool alone.

Flood risk checker

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