Merton

215,186 people · median £525,000

Merton Council · Labour-controlled 32/57 seats · 56% · OCD 2026

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Environment This district

NO₂

16.1

— WHO guide

PM2.5

— WHO guide

µg/m³ annual mean · DEFRA

Surface water 1-in-1003.3%

Flood zone2.9% of postcodes

Radonup to <1% of homes

Historic landfill39 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 buildings243

Conservation areas28

Green belt0%

Green spaces361

Historic England · OS Open Greenspace

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