SW7: 13 of 628 postcodes stand below a spring high tide

The ground at 13 of SW7's 628 postcodes (2%) 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 6.2 m and 14 m, measured from Ordnance Datum; the middle one stands at 7.7 m.
• 22 of 628 stand 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 Westminster.