E14: 478 of 1,896 postcodes stand below a spring high tide

The ground at 478 of E14's 1,896 postcodes (25%) 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 2.3 m and 7.8 m, measured from Ordnance Datum; the middle one stands at 5.2 m.
• 1,041 of 1,896 stand lower than the 1953 tide (5.41 m).
• 1,356 lie in the Environment Agency's Flood Zone 3 from the sea, mapped without defences.
• In Tower Hamlets.