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Status Shipped
Categories 3D Modeling
Created by Guest
Created on Feb 9, 2026

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Add LSGGM2025 to the list of vertical coordinate systems

This is the definition of the vertical reference frame for Transport for London. The EPSG code is 10990: https://epsg.org/transformation_10990/ETRS89-GBR-OSNet-v2009-to-London-Survey-Grid-height-1.html

See existing Product Backlog Item 1987579. I can assist with sourcing geoid definitions.

  • Admin
    Marjolaine Cayer
    Jul 17, 2026

    Hi! We are happy to inform you that the vertical coordinate system LSGH(LSGGM2025) height is now available in MicroStation 26.0.1 (26.00.01.65).

    You can download this update through the Bentley Connection Client or via the Software Downloads portal.
    Thank You!

    Reply