Coverage England
Refresh As updated by the Environment Agency
Licence Public service; datasets have source-specific terms Known limitation: Screening does not replace property-specific flood enquiries, insurance checks or professional advice.
Coverage Mapped historic flood outlines in England, mainly since 1946
Refresh Quarterly
Licence Open Government Licence v3.0 Known limitation: The record is not exhaustive, and a mapped outline does not establish that a building flooded internally.
Coverage Historic landfill records in England
Refresh Six-monthly
Licence Conditional Environment Agency data licence Known limitation: Older records may be incomplete and mapped boundaries do not replace a formal environmental search or site investigation.
Coverage Permitted landfill boundaries in England
Refresh Daily source
Licence Conditional Environment Agency data licence Known limitation: Authorisation does not necessarily mean that a site is operating or accepting waste today.
Coverage Regional geology and selected recorded ground features in Great Britain
Refresh Dataset-specific
Licence Open Government Licence where stated Known limitation: Regional geology and recorded features do not replace a building survey, site investigation or property-level ground report.
UKradon indicative mapping UK Health Security Agency and British Geological Survey
Open official source
Coverage Indicative radon potential in Great Britain
Refresh As published by UKHSA and BGS
Licence Public indicative map; source-specific terms Known limitation: The indicative grid is not the definitive address-level CON29 radon answer.
Coverage The national Part 2A Special Sites subset
Refresh As published
Licence Open Government Licence v3.0 Known limitation: This is not a comprehensive national contaminated-land register; local authority registers and formal searches remain necessary.