— ACRERIGHT AREA REPORT · POSTCODE SECTOR
Home › Lewes › BN9 0 · postcode sector
4,111 people · median £315,000 · Lewes
Lewes Council · Green / Labour coalition 26/41 seats · 63% · OCD 2026
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Environment This postcode sector
Air quality
µg/m³ annual mean · DEFRA
Ground checks
Surface water 1-in-1000%
Flood zone36.8% of postcodes
RadonAffected Area (up to 10–30%)
Historic landfill16 sites within ~1 km
EA · UKHSA/BGS · Mining Remediation Authority — indicative, not a property search
Transport noise (Defra)
Road & rail noise bands (≥55 / ≥65 dB Lden) are being added — not yet available for this area. They cover major sources only; "not mapped" ≠ "quiet".
Defra strategic noise mapping
Heritage & green space
Listed buildings17
Conservation areas3
Green belt0%
Green spaces355
Historic England · OS Open Greenspace
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