CM3 2

5,095 people · median £468,750 · Braintree

Braintree Council · Conservative-controlled 25/49 seats · 51% · OCD 2026

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Environment This postcode sector

NO₂

7.9

— WHO guide

PM2.5

6.9

— WHO guide

µg/m³ annual mean · DEFRA

Surface water 1-in-1000%

Flood zone0.4% of postcodes

Radonup to <1% of homes

Historic landfill5 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 buildings137

Conservation areas2

Green belt0%

Green spaces198

Historic England · OS Open Greenspace

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