# The Building Regulations 1991, Paragraph 1: Small detached Buildings


A detached single storey building, having a floor area which does not exceed 30m2, which contains no sleeping accommodation and is a building–
(a) no point of which is less than one metre from the boundary of its curtilage; or
(b) which is constructed substantially of non-combustible material.

---
Source: https://www.legislation.gov.uk/uksi/1991/2768/schedule/2/part/6/paragraph/1 (the official version)
Page: https://openlegislation.uk/building-regulations-1991/schedule-2/part-6/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.