— ACRERIGHT AREA REPORT · POSTCODE SECTOR
Home › Chichester › PO20 8 · postcode sector
7,047 people · median £485,000 · Chichester
Cleaner air than most
Chichester Council · Liberal Democrat-controlled 24/36 seats · 67% · 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 zone34.8% of postcodes
RadonAffected Area (up to 5–10%)
Historic landfill2 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 buildings30
Conservation areas1
Green belt0%
Green spaces481
Historic England · OS Open Greenspace
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