CO5 0

8,891 people · median £360,000 · Colchester

High wellbeing

Colchester Council · Conservative / Liberal Democrat coalition 30/51 seats · 59% · OCD 2026

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Environment This postcode sector

NO₂

7.8

— WHO guide

PM2.5

6.8

— WHO guide

µg/m³ annual mean · DEFRA

Surface water 1-in-1000%

Flood zone0.4% of postcodes

Radonup to <1% of homes

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 buildings30

Conservation areas0

Green belt0%

Green spaces149

Historic England · OS Open Greenspace

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