SE13: no postcode below a spring high tide, the lowest 1.2 m above it

SE13 on the relief of London, with a tide staff: Its lowest postcode is 1.2 m above a spring high tide.

No postcode in SE13 stands below an ordinary spring high tide at London Bridge. The lowest, SE13 7RJ, is 1.2 m above it and 0.2 m below the tide of 1 February 1953.

Ground at eight in ten of its postcodes: between 8.3 m and 29 m, measured from Ordnance Datum; the middle one stands at 15 m.
6 of 735 stand lower than the 1953 tide (5.41 m).
3 lie in the Environment Agency's Flood Zone 3 from the sea, mapped without defences.
Mostly in Lewisham; partly in Greenwich.

Open SE13 on the map