• OSGB36 / British National Grid + ODN height

  EPSG:7405
  Area of use: United Kingdom (UK)
  Transform coordinates | Get position on a map

• ETRS89 + ODN height

  EPSG:9424
  Area of use: United Kingdom (UK)
  Transform coordinates | Get position on a map

• OSGB70

  EPSG:4278
  Area of use: United Kingdom (UK)
  Transform coordinates | Get position on a map

• ETRS89-GBR [OSNet v2009]

  EPSG:11008
  Area of use: United Kingdom (UK)
  Transform coordinates | Get position on a map

• ETRS89-GBR [OSNet v2009]

  EPSG:11009
  Area of use: United Kingdom (UK)
  Transform coordinates | Get position on a map

• ETRS89-GBR [OSNet v2009]

  EPSG:11007
  Area of use: United Kingdom (UK)
  Transform coordinates | Get position on a map

• OSGB36 / British National Grid + BI height

  EPSG:9920
  Area of use: United Kingdom (UK)
  Transform coordinates | Get position on a map

• BI height

  EPSG:9451
  Area of use: United Kingdom (UK)
  Transform coordinates | Get position on a map

• ETRS89 + BI height

  EPSG:9452
  Area of use: United Kingdom (UK)
  Transform coordinates | Get position on a map

• OSGB36 / Heathrow Airport GIS Grid 2026

  EPSG:11390 with transformation: 7710
  Area of use: United Kingdom (UK) (accuracy: 1.0)
  Transform coordinates | Get position on a map

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