Environmental Constraints Checker 🔴 Live APIs
Real constraint data from Natural England, Environment Agency & Historic England · Open Government Licence v3.0
Step 1 Site Location
Enter UK postcode to auto-fill coordinates
Step 2 Project
Layers Constraint Overlays
Constraint data is fetched live from Natural England, Environment Agency and Historic England open APIs. All data is published under the Open Government Licence v3.0. Distances shown are approximate. Always verify constraints with the relevant statutory body before submitting a planning application.
Enter a location above to check constraints
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Map will appear after running a check