N17: 2.1 m clear of the highest tide in the London Bridge ledgers

N17 on the relief of London, with a tide staff: 2.1 m above the 1953 tide, the highest in the ledgers.

The lowest postcode in N17, N17 9LW, stands 2.1 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, N17 7NJ, stands 27 m above it.

Ground at eight in ten of its postcodes: between 8.9 m and 21 m, measured from Ordnance Datum; the middle one stands at 12 m.
None lies in the Environment Agency's Flood Zone 3 from the sea.
Mostly in Haringey; partly in Enfield.

Open N17 on the map