NW10: 17 m clear of the highest tide in the London Bridge ledgers

The lowest postcode in NW10, NW10 7QS, stands 17 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, NW10 2AB, stands 62 m above it.
- Ground at eight in ten of its postcodes: between 30 m and 50 m, measured from Ordnance Datum; the middle one stands at 37 m.
- None lies in the Environment Agency's Flood Zone 3 from the sea.
- Mostly in Brent; partly in Ealing.