EPSG:7953

Geodetic CRS: ETRS89-GBR [OSNet v2009]

Datum: OSNet v2009

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: Ordnance Survey of Great Britain.

Revision date: 2025-10-17

Scope: Adopted as official definition of OSGB36 from August 2016. Accuracy by definition exact. Accuracy compared to triangulation coordinates 0.1m at 67% confidence level.

Remarks: Replaces ETRS89 to OSGB36 / British National Grid (2) (code 7952). May be approximated to better than 0.03m using NTv2 method - see tfm code 7709.

Method: Ordnance Survey National Transformation

Area of use: United Kingdom (UK) - offshore to boundary of UKCS within 49°45'N to 61°N and 9°W to 2°E; onshore Great Britain (England, Wales and Scotland). Isle of Man onshore.

Description: (0,)