WC1V: 12 m clear of the highest tide in the London Bridge ledgers

The lowest postcode in WC1V, WC1V 6LJ, stands 12 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, WC1V 6NY, stands 19 m above it.
- Ground at eight in ten of its postcodes: between 20 m and 24 m, measured from Ordnance Datum; the middle one stands at 23 m.
- None lies in the Environment Agency's Flood Zone 3 from the sea.
- Mostly in Camden; partly in City of London.