— ACRERIGHT AREA REPORT · POSTCODE SECTOR
Home › Three Rivers › WD3 5 · postcode sector
8,001 people · median £785,000 · Three Rivers
Among the least deprivedFast broadband
Three Rivers Council · Liberal Democrat minority — no overall control 18/39 seats · 46% · OCD 2026
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Environment This postcode sector
Air quality
µg/m³ annual mean · DEFRA
Ground checks
Surface water 1-in-1004.6%
Flood zone0.4% of postcodes
Radonup to 1–3% of homes
Historic landfill18 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 buildings42
Conservation areas8
Green belt65.6%
Green spaces194
Historic England · OS Open Greenspace
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