RM8: no postcode below a spring high tide, the lowest 1.4 m above it

RM8 on the relief of London, with a tide staff: Its lowest postcode is 1.4 m above a spring high tide.

No postcode in RM8 stands below an ordinary spring high tide at London Bridge. The lowest, RM8 2LT, is 1.4 m above it and 0.0 m below the tide of 1 February 1953.

Ground at eight in ten of its postcodes: between 7.7 m and 17 m, measured from Ordnance Datum; the middle one stands at 13 m.
One of 587 stands lower than the 1953 tide (5.41 m).
None lies in the Environment Agency's Flood Zone 3 from the sea.
Mostly in Barking and Dagenham; partly in Redbridge.

Open RM8 on the map