Floor area
According to the International Property Measurement Standards (IPMS): Residential Buildings, published by the International Property Measurement Standards Coalition (IPMSC) in September 2016, the floor area of a building is:
| The area of a normally horizontal, permanent, load-bearing structure for each level of a building. |
The Building Regulations define floor area as:
| ...the aggregate area of every floor in a building or extension, calculated by reference to the finished internal faces of the walls enclosing the area, or if at any point there is no such wall, by reference to the outermost edge of the floor. |
See also; total useful floor area, gross floor area, net internal area and gross internal area.
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