— ACRERIGHT AREA REPORT · NEIGHBOURHOOD
Home › East Hertfordshire › Walkern · neighbourhood
1,367 people · median £487,500 · East Hertfordshire
East Hertfordshire Council · Green / Liberal Democrat coalition 26/50 seats · 52% · OCD 2026
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Environment This neighbourhood
Air quality
µg/m³ annual mean · DEFRA
Ground checks
Surface water 1-in-1005.6%
Flood zone8.3% 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 buildings38
Conservation areas1
Green belt23.9%
Green spaces165
Historic England · OS Open Greenspace
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