— ACRERIGHT AREA REPORT · POSTCODE SECTOR
Home › Castle Point › SS7 5 · postcode sector
11,809 people · median £375,000 · Castle Point
High wellbeing
Castle Point Council · No overall control-controlled seat share not held · OCD 2026
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Environment This postcode sector
Air quality
µg/m³ annual mean · DEFRA
Ground checks
Surface water 1-in-1001.3%
Flood zone2.6% of postcodes
Radonup to <1% of homes
Historic landfill8 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 buildings14
Conservation areas1
Green belt27%
Green spaces23
Historic England · OS Open Greenspace
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