EPSG:CODE

OSGB 1936 / British National Grid to ETRS89 (3)

EPSG:27700 → EPSG:4258

Deprecated

Coordinate Reference Systems

Source CRS
EPSG:27700
OSGB36 / British National Grid
Projected
Target CRS
EPSG:4258
ETRS89
Geographic 2D

Remarks

Replaces OSGB 1936 / British National Grid to ETRS89 (2) (code 1039). May be approximated to better than 0.03m using NTv2 method - see tfm code 7709.

Frequently Asked Questions

What is the accuracy of the OSGB36 / British National Grid to ETRS89 transformation?

This is an exact transformation (EPSG:7708) with no loss of precision (0m accuracy) using the Ordnance Survey National Transformation method. Area of use: UK - Britain and UKCS 49°45'N to 61°N, 9°W to 2°E.