# Building Regulations (Northern Ireland) 2000, Regulation F1: Application and interpretation

Extent: N.I.
Status: prospective

(1) Subject to paragraphs (2) and (3) this Part shall apply to any building and, where a building contains one or more dwellings, to each such dwelling separately.
(2) Regulation F2 shall not apply to—
(a) an external wall, floor or roof of any part of a dwelling which consists of—
(i) a shed or store entered solely from outside; or
(ii) a boathouse, conservatory, garage or porch;
(b) a building, other than a dwelling, which has a floor area not exceeding 30 m2; and
(c) a building or part of a building, other than a dwelling, which—
(i) in the case of a building for industrial or storage purposes – is unheated or has a space heating system with a design output rating not exceeding 50 W per square metre of floor area; or
(ii) in the case of any other building – is unheated or has a space heating system with a design output rating not exceeding 25 W per square metre of floor area.
(3) Regulation F3(2) shall not apply to—
(a) a dwelling;
(b) the common parts of a building which are intended for the exclusive use of two or more dwellings; and
(c) a building in which the floor area provided with artificial lighting does not exceed 100 m2.
(4) In this Part—
space heating system andhot water supply system do not include a system or that part of a system which heats or stores water solely for a commercial or industrial process; and
pipes and ducts means any pipe and any duct in a space heating system or hot water supply system which is intended to carry a heated liquid or gas, and includes associated fittings.

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Source: https://www.legislation.gov.uk/nisr/2000/389/regulation/F1 (the official version)
Page: https://openlegislation.uk/building-regulations-northern-ireland-2000/regulation-F1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.