http://www.legislation.gov.uk/nisr/2012/192/regulation/39The Building Regulations (Northern Ireland) 2012texttext/xmlenStatute Law DatabaseBUILDING REGULATIONS2025-07-17Expert Participation2025-05-06 These Regulations revoke and replace, with amendments, the Building Regulations (Northern Ireland) 2000 and all subsequent amending Regulations (“the 2000 Regulations”). They impose certain functional or performance requirements in relation to —the construction of any building and to certain services and fittings in conjunction with any building;the structural alteration or extension of any building; andany building undergoing a material change of use. PART F39Reasonable provision shall be made for the conservation of fuel and power in any building by—alimiting heat gains and losses—ithrough thermal elements and other parts of the building fabric; andiifrom pipes, ducts and vessels;bproviding energy efficient fixed building services with effective controls; andccommissioning the fixed building services.