Coordinate Reference Systems
Remarks
Parameter values taken from OSGB 1936 / British National Grid to ETRS89 (2) (code 1039) assuming that ETRS89 is coincident with WGS 84 within the accuracy of the transformation.
Frequently Asked Questions
What is the accuracy of the OSGB36 / British National Grid to WGS 84 transformation?
This transformation (EPSG:1040) has an accuracy of 1m using the Ordnance Survey National Transformation method. Area of use: UK - Great Britain onshore and nearshore; Isle of Man.