Barnham

4,121 people · median £350,000 · Arun

Cleaner air than most

Arun Council · Liberal Democrat / Labour / Green coalition 27/54 seats · 50% · OCD 2026

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Environment This neighbourhood

NO₂

6.1

— WHO guide

PM2.5

6.1

— WHO guide

µg/m³ annual mean · DEFRA

Surface water 1-in-1000%

Flood zone12% of postcodes

RadonAffected Area (up to 10–30%)

Historic landfill60 sites within ~1 km

EA · UKHSA/BGS · Mining Remediation Authority — indicative, not a property search

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

Listed buildings11

Conservation areas2

Green belt0%

Green spaces387

Historic England · OS Open Greenspace

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