Last edited 03 Oct 2018

Building height

For the purposes of the building regulations, the height of a building is:

...measured from the mean level of the ground adjoining the outside of the external walls of the building to the level of half the vertical height of the roof of the building, or to the top of the walls or of the parapet, if any, whichever is the higher;

Height of building.jpg

[Image source, Approved Document B2, ‘Fire safety: Buildings other than dwellinghouses’]

At 828 m and 163 floors, Burj Khalifa in Dubai, UAE has been the world’s tallest building since 2010. For more information see: Tallest buildings in the world.

For definitions of categories of building height see: High-rise building.

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