W1G: 12 m clear of the highest tide in the London Bridge ledgers

W1G on the relief of London, with a tide staff: 12 m above the 1953 tide, the highest in the ledgers.

The lowest postcode in W1G, W1G 7YZ, stands 12 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, W1G 7BN, stands 21 m above it.

Ground at eight in ten of its postcodes: between 23 m and 26 m, measured from Ordnance Datum; the middle one stands at 25 m.
None lies in the Environment Agency's Flood Zone 3 from the sea.
Mostly in Westminster; partly in Islington.

Open W1G on the map