— ACRERIGHT AREA REPORT · POSTCODE SECTOR
Home › North Hertfordshire › SG6 1 · postcode sector
6,780 people · 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 postcode sector
Air quality
µg/m³ annual mean · DEFRA
Ground checks
Surface water 1-in-1007.8%
Flood zone4.1% of postcodes
Radonup to 1–3% of homes
Historic landfill1 site 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 buildings56
Conservation areas3
Green belt22%
Green spaces227
Historic England · OS Open Greenspace
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