E8: 6.5 m clear of the highest tide in the London Bridge ledgers

The lowest postcode in E8, E8 1DU, stands 6.5 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, E8 2DS, stands 20 m above it.
- Ground at eight in ten of its postcodes: between 15 m and 19 m, measured from Ordnance Datum; the middle one stands at 17 m.
- None lies in the Environment Agency's Flood Zone 3 from the sea.
- Mostly in Hackney; partly in Tower Hamlets.