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— ACRERIGHT AREA REPORT · POSTCODE SECTOR
Home › MertonSM4 6 · postcode sector

SM4 6

104 sales in the last 12 months · median £448,000 · Merton

Merton Council · Labour-controlled   32/57 seats · 56% · OCD 2026
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Environment This postcode sector

Air quality

NO₂
14.8
— WHO guide
10
PM2.5
7.9
— WHO guide
5
µg/m³ annual mean · DEFRA

Ground checks

Surface water 1-in-1003.3%
Flood zone0% of postcodes
Radonup to <1% of homes
Historic landfill4 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 buildings12
Conservation areas2
Green belt0%
Green spaces361
Historic England · OS Open Greenspace
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