# The Building Societies (Residential Use) Order 1987, Paragraph 2


The gross external area is the sum of the areas of each floor of a building (other than an outbuilding), being measured so as to include the features listed in paragraph 3 and to exclude the features listed in paragraph 4.

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Source: https://www.legislation.gov.uk/uksi/1987/1671/schedule/paragraph/2 (the official version)
Page: https://openlegislation.uk/building-societies-residential-use-order-1987/schedule/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.