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Last edited 10 Oct 2017
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;|
[Image source, Approved Document B2, ‘Fire safety: Buildings other than dwellinghouses’]
For definitions of categories of building height see: High-rise building.
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