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Last edited 08 Jan 2019
|'...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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