SE24: 1.2 m clear of the highest tide in the London Bridge ledgers

The lowest postcode in SE24, SE24 0LS, stands 1.2 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, SE24 9QS, stands 37 m above it.
- Ground at eight in ten of its postcodes: between 16 m and 36 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 Lambeth; partly in Southwark.