TW13: 6.9 m clear of the highest tide in the London Bridge ledgers

TW13 on the relief of London, with a tide staff: 6.9 m above the 1953 tide, the highest in the ledgers.

The lowest postcode in TW13, TW13 7NU, stands 6.9 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, TW13 4BY, stands 16 m above it.

Ground at eight in ten of its postcodes: between 14 m and 20 m, measured from Ordnance Datum; the middle one stands at 18 m.
None lies in the Environment Agency's Flood Zone 3 from the sea.
Mostly in Hounslow; partly in Richmond upon Thames.

Open TW13 on the map