Environmental hazard checker

Noise, radon, coal mining, past flooding, sewage overflows and coastal erosion for any postcode in England and Wales. Free

What this free check covers

• Noise: average road, railway and aircraft noise from Defra's strategic noise maps (England).
• Radon: the share of homes above the radon action level in the 1 km square, from UKHSA and the British Geological Survey.
• Coal mining: whether the spot is in a coalfield or a development high risk area, from the Mining Remediation Authority.
• Past flooding: Environment Agency recorded flood outlines going back over a century.
• Sewage storm overflows: overflows within a mile and how often they spilled last year.
• Coastal erosion: shoreline plans and forecast erosion to 2055 for coastal homes.

Paid environmental searches cost £30 to £60. This check uses the same open government data, free.