E16: 757 of 1,041 postcodes stand below a spring high tide

The ground at 757 of E16's 1,041 postcodes (73%) is lower than an ordinary spring high tide at London Bridge (3.9 m above Ordnance Datum).

• Ground at eight in ten of its postcodes: between 1.1 m and 5.8 m, measured from Ordnance Datum; the middle one stands at 1.8 m.
• 869 of 1,041 stand lower than the 1953 tide (5.41 m).
• 1,011 lie in the Environment Agency's Flood Zone 3 from the sea, mapped without defences.
• In Newham.