Ridley

12 sales in the last 12 months · median £694,500 · Sevenoaks

High wellbeing

Sevenoaks Council · Conservative minority — no overall control 23/54 seats · 43% · OCD 2026

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Environment This neighbourhood

NO₂

8.3

— WHO guide

PM2.5

6.9

— WHO guide

µg/m³ annual mean · DEFRA

Surface water 1-in-1004.3%

Flood zone0% of postcodes

RadonAffected Area (up to 30–100%)

Historic landfill2 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 buildings25

Conservation areas1

Green belt98.3%

Green spaces923

Historic England · OS Open Greenspace

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