SW15: no postcode below a spring high tide, the lowest 0.7 m above it

SW15 on the relief of London, with a tide staff: Its lowest postcode is 0.7 m above a spring high tide.

No postcode in SW15 stands below an ordinary spring high tide at London Bridge. The lowest, SW15 1LB, is 0.7 m above it and 0.7 m below the tide of 1 February 1953.

Ground at eight in ten of its postcodes: between 8.4 m and 41 m, measured from Ordnance Datum; the middle one stands at 19 m.
7 of 1,225 stand lower than the 1953 tide (5.41 m).
17 lie in the Environment Agency's Flood Zone 3 from the sea, mapped without defences.
Mostly in Wandsworth; partly in Kingston upon Thames.

Open SW15 on the map