— ACRERIGHT AREA REPORT · POSTCODE SECTOR
Home › East Hertfordshire › SG13 7 · postcode sector
10,627 people · median £399,500 · East Hertfordshire
East Hertfordshire Council · Green / Liberal Democrat coalition 26/50 seats · 52% · OCD 2026
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Environment This postcode sector
Air quality
µg/m³ annual mean · DEFRA
Ground checks
Surface water 1-in-1002.4%
Flood zone16.3% of postcodes
Radonup to 1–3% of homes
Historic landfill24 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 buildings112
Conservation areas2
Green belt66.1%
Green spaces165
Historic England · OS Open Greenspace
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