• Flannan Isles

  EPSG:5146
  Area of use: United Kingdom (UK) - Great Britain - Scotland - Flannan Isles onshore.
  

• Poolbeg

  EPSG:5152
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• St. Marys

  EPSG:5147
  Area of use: United Kingdom (UK) - Great Britain - England - Isles of Scilly onshore.
  

• Ordnance Datum Newlyn

  EPSG:5101
  Area of use: United Kingdom (UK)
  

• Mean Sea Level UK & Ireland VORF08

  EPSG:1330
  Area of use: Ireland and United Kingdom (UK) (including Isle of Man and Channel Islands)
  

• Chart Datum UK & Ireland VORF08

  EPSG:1331
  Area of use: Ireland and United Kingdom (UK) (including Isle of Man and Channel Islands)
  

• HS2 Vertical Reference Frame

  EPSG:1265
  Area of use: United Kingdom (UK)
  

• Ordnance Datum Newlyn (Offshore)

  EPSG:1164
  Area of use: United Kingdom (UK)
  

• European Vertical Reference Frame 2000

  EPSG:5129
  Area of use: Europe
  

• European Vertical Reference Frame 2007

  EPSG:5215
  Area of use: Europe
  

• European Vertical Reference Frame 2019

  EPSG:1274
  Area of use: Europe
  

• European Vertical Reference Frame 2019 mean tide

  EPSG:1287
  Area of use: Europe
  

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