— ACRERIGHT AREA REPORT · POSTCODE SECTOR
Home › Windsor and Maidenhead › SL5 9 · postcode sector
7,669 people · median £693,750 · Windsor and Maidenhead
Among the least deprived
Windsor and Maidenhead Council · Liberal Democrat-controlled 21/41 seats · 51% · OCD 2026
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Environment This postcode sector
Air quality
µg/m³ annual mean · DEFRA
Ground checks
Surface water 1-in-1000%
Flood zone0% of postcodes
Radonup to <1% of homes
Historic landfill14 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 buildings8
Conservation areas0
Green belt56.1%
Green spaces10
Historic England · OS Open Greenspace
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