NW11: 36 m clear of the highest tide in the London Bridge ledgers

NW11 on the relief of London, with a tide staff: 36 m above the 1953 tide, the highest in the ledgers.

The lowest postcode in NW11, NW11 9LJ, stands 36 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, NW11 6TH, stands 109 m above it.

Ground at eight in ten of its postcodes: between 53 m and 78 m, measured from Ordnance Datum; the middle one stands at 65 m.
None lies in the Environment Agency's Flood Zone 3 from the sea.
In Barnet.

Open NW11 on the map