W11: no postcode below a spring high tide, the lowest 0.9 m above it

W11 on the relief of London, with a tide staff: Its lowest postcode is 0.9 m above a spring high tide.

No postcode in W11 stands below an ordinary spring high tide at London Bridge. The lowest, W11 4UY, is 0.9 m above it and 0.5 m below the tide of 1 February 1953.

Ground at eight in ten of its postcodes: between 6.9 m and 28 m, measured from Ordnance Datum; the middle one stands at 16 m.
One of 732 stands lower than the 1953 tide (5.41 m).
None lies in the Environment Agency's Flood Zone 3 from the sea.
Mostly in Kensington and Chelsea; partly in Ealing.

Open W11 on the map