Keston Mark

12 sales in the last 12 months · median £1,075,000 · Bromley

Among the least deprivedGood for schools

Bromley Council · Conservative-controlled 35/58 seats · 60% · OCD 2026

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Environment This neighbourhood

NO₂

11.1

— WHO guide

PM2.5

7.2

— WHO guide

µg/m³ annual mean · DEFRA

Surface water 1-in-1002.7%

Flood zone10.8% of postcodes

Radonup to 1–3% of homes

Historic landfill4 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 buildings1

Conservation areas3

Green belt16.7%

Green spaces631

Historic England · OS Open Greenspace

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