The Grange Estate

90 sales in the last 12 months · median £375,000 · North Hertfordshire

North Hertfordshire Council · Labour minority — no overall control 23/51 seats · 45% · OCD 2026

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Environment This neighbourhood

NO₂

7.7

— WHO guide

PM2.5

— WHO guide

µg/m³ annual mean · DEFRA

Surface water 1-in-1004.9%

Flood zone0% of postcodes

Radonup to 1–3% of homes

Historic landfill47 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 buildings4

Conservation areas2

Green belt21.4%

Green spaces227

Historic England · OS Open Greenspace

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