N22: 10 m clear of the highest tide in the London Bridge ledgers

N22 on the relief of London, with a tide staff: 10 m above the 1953 tide, the highest in the ledgers.

The lowest postcode in N22, N22 6AH, stands 10 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, N22 7BA, stands 90 m above it.

Ground at eight in ten of its postcodes: between 18 m and 41 m, measured from Ordnance Datum; the middle one stands at 29 m.
None lies in the Environment Agency's Flood Zone 3 from the sea.
Mostly in Haringey; partly in Enfield.

Open N22 on the map