The Building (Amendment) Regulations (Northern Ireland) 2006

Application and interpretation

F1—(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 dwelling separately.

(2) Regulations F2, F3 and F4 shall not apply to a building or part of a building other than a dwelling which—

(a)in the case of a building used 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

(b)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 shall apply to any building or part of a building other than an extension to—

(a)a dwelling; or

(b)a building other than a dwelling, where the extension has a total useful floor area of—

(i)100 m2 or less; and

(ii)25% or less of the total useful floor area of the existing building.

(4) In this Part—

  • BER means the Building carbon dioxide Emissions Rate measured in kilograms of carbon dioxide per square metre of floor area per year;

  • DER means the Dwelling carbon dioxide Emissions Rate measured in kilograms of carbon dioxide per square metre of floor area per year;

  • DWELLING means a house, flat or maisonette which is a self-contained unit designed to be used solely to accommodate a single household;

  • FIXED BUILDING SERVICE means any part of, or any controls associated with—

    (a)

    fixed internal or external lighting systems, but does not include emergency escape lighting or specialist process lighting; or

    (b)

    fixed systems for heating, hot water service, air conditioning or mechanical ventilation;

  • NATIONAL CALCULATION METHODOLOGY means—

    (a)

    in relation to a dwelling — SAP;

    (b)

    in relation to a building other than a dwelling—

    (i)

    SBEM;

    (ii)

    IES “Virtual Environment” software, version 5.5; or

    (iii)

    EDSL TAS software, version 9.0.9;

  • PIPES, DUCTS AND STORAGE VESSELS means any pipe, any duct and any storage vessel in a space heating or space cooling system which is intended to carry a heated or chilled liquid or gas, and includes associated fittings;

  • SPACE HEATING SYSTEM does not include a system or that part of a system which heats or stores water solely for a commercial or industrial process;

  • TER means the Target carbon dioxide Emissions Rate measured in kilograms of carbon dioxide per square metre of floor area per year; and

  • TOTAL USEFUL FLOOR AREA means the total area of all enclosed spaces measured to the inside face of the external walls, that is, the gross floor area, and in the case of sloping surfaces such as staircases, galleries, raked auditoria and tiered terraces shall be taken as their area on plan but shall exclude areas that are not enclosed such as open floors, covered ways and balconies.