— ACRERIGHT AREA REPORT · POSTCODE SECTOR
Home › Mid Sussex › RH15 8 · postcode sector
11,882 people · median £361,500 · Mid Sussex
High wellbeing
Mid Sussex Council · Liberal Democrat / Independent coalition 25/48 seats · 52% · OCD 2026
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Environment This postcode sector
Air quality
µg/m³ annual mean · DEFRA
Ground checks
Surface water 1-in-1001.6%
Flood zone0% of postcodes
Radonup to <1% of homes
Historic landfill9 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 buildings10
Conservation areas3
Green belt0%
Green spaces850
Historic England · OS Open Greenspace
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