# Rent Act 1977, Paragraph 4


For the purposes of section 12, a building is a purpose-built block of flats if as constructed it contained, and it contains, 2 or more flats; and for this purpose “flat” means a dwelling-house which—
(a) forms part only of a building; and
(b) is separated horizontally from another dwelling-house which forms part of the same building.

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Source: https://www.legislation.gov.uk/ukpga/1977/42/schedule/2/paragraph/4 (the official version)
Page: https://openlegislation.uk/rent-act-1977/schedule-2/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.