Data Sources & Attribution
Every report shows, per layer, whether it was generated from live data or a sample. Sources used by TreeCheck UK:
| Layer | Publisher | Licence |
|---|---|---|
| Postcode geocoding, council, country | postcodes.io (ONS Postcode Directory) | OGL v3 / OS OpenData |
| Tree preservation zones (TPO polygons) | planning.data.gov.uk (MHCLG) — tree-preservation-zone | OGL v3 |
| Individual protected trees (points) | planning.data.gov.uk (MHCLG) — tree | OGL v3 |
| Tree preservation orders (legal instruments) | planning.data.gov.uk (MHCLG) — tree-preservation-order | OGL v3 |
| Conservation areas | planning.data.gov.uk (MHCLG) — conservation-area | OGL v3 |
| Local authority register (council name, website) | planning.data.gov.uk — local-authority | OGL v3 |
| Rules engine | Town and Country Planning Act 1990 ss.198–214 · Tree Preservation (England) Regulations 2012 | Legislation (OGL / OPSI) |
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).