BR5: 27 m clear of the highest tide in the London Bridge ledgers

The lowest postcode in BR5, BR5 3QA, stands 27 m above the highest tide in the London Bridge ledgers (5.41 m, 1 February 1953). The highest, BR5 4HA, stands 96 m above it.
- Ground at eight in ten of its postcodes: between 44 m and 83 m, measured from Ordnance Datum; the middle one stands at 63 m.
- None lies in the Environment Agency's Flood Zone 3 from the sea.
- In Bromley.