IG4: 2.5 m clear of the highest tide in the London Bridge ledgers

IG4 on the relief of London, with a tide staff: 2.5 m above the 1953 tide, the highest in the ledgers.

The lowest postcode in IG4, IG4 5BD, stands 2.5 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, IG4 5NR, stands 27 m above it.

Ground at eight in ten of its postcodes: between 14 m and 30 m, measured from Ordnance Datum; the middle one stands at 22 m.
None lies in the Environment Agency's Flood Zone 3 from the sea.
In Redbridge.

Open IG4 on the map