Data Sources & Attribution
Every report shows, per layer, whether it was generated from live data or a sample. Sources used by BlightCheck UK:
| Layer | Publisher | Licence |
|---|---|---|
| Postcode geocoding, council, region | postcodes.io (ONS Postcode Directory) | OGL v3 / OS OpenData |
| Nationally Significant Infrastructure Projects (DCO applications) | planning.data.gov.uk — infrastructure-project (Planning Inspectorate) | OGL v3 |
| Project decision & stage vocabularies | planning.data.gov.uk — infrastructure-project-decision / -event | OGL v3 |
| Transport routes under TCPA (rail / road orders) | planning.data.gov.uk — transport-under-tcpa-route (0 records published at source as of 2026-09-14) | OGL v3 |
Contains public sector information licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right; contains Royal Mail data © Royal Mail copyright and database right; contains National Statistics data © Crown copyright and database right (via postcodes.io / ONS Postcode Directory).