TW6: 14 m clear of the highest tide in the London Bridge ledgers

TW6 on the relief of London, with a tide staff: 14 m above the 1953 tide, the highest in the ledgers.

The lowest postcode in TW6, TW6 1EL, stands 14 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, TW6 2LA, stands 20 m above it.

Ground at eight in ten of its postcodes: between 23 m and 25 m, measured from Ordnance Datum; the middle one stands at 24 m.
None lies in the Environment Agency's Flood Zone 3 from the sea.
Mostly in Hillingdon; partly in Hounslow.

Open TW6 on the map