CR4: 9.1 m clear of the highest tide in the London Bridge ledgers

CR4 on the relief of London, with a tide staff: 9.1 m above the 1953 tide, the highest in the ledgers.

The lowest postcode in CR4, CR4 3BY, stands 9.1 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, CR4 1XF, stands 32 m above it.

Ground at eight in ten of its postcodes: between 17 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.
Mostly in Merton; partly in Sutton.

Open CR4 on the map