OSNI®’s most accurate digital terrain model including breaklines. Available in DXF.

OSNI®’s most popular digital terrain model, providing height data on a 10m grid. Text file format. This product has been withdrawn from sale and is now available under Open Government Licence. Please visit https://www.opendatani.gov.uk/

The OSNI® entry level digital terrain model on a 50m grid. Available in txt format. This product has been withdrawn from sale and is now available under Open Government Licence. Please visit https://www.opendatani.gov.uk/

OSNI's latest height product, showing vegetation classified into 3 height bands. Available as GDB or TIF.