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NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Technical Booklet F1: 2022 Conservation of fuel and power in dwellings

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

This Technical Booklet, which takes effect on 30th June 2022, is one of a series that has been prepared by the Department of Finance (the Department) for the purpose of providing practical guidance wi

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

The guidance contained in this Technical Booklet relates only to the requirements of regulations 39, 40, 41, 42, 43, 43A, 43B and 47. The work will also have to comply with all other relevant requirem

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Regulation 43B "Nearly zero-energy requirements for new buildings" (NZEB) came into operation for newly erected dwellings from the 31st December 2020. This booklet provides guidance on the relevant NZ

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Any building work which is subject to requirements imposed by Part A of the Building Regulations should be carried out in accordance with regulation 23 of those regulations. Guidance on meeting these

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

The Building Regulations are made for specific purposes, primarily securing the health, safety, welfare and convenience of people and for the conservation of fuel and power. Standards and technical ap

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Where this Technical Booklet makes reference to a named standard, the relevant version of the standard is the one listed in Appendix C. However, if this version has been replaced or updated by the iss

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

The diagrams in this Technical Booklet supplement the text. They do not show all the details of construction and are not intended to illustrate compliance with any other requirement of the Building Re

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

District councils have a duty to take account of the desirability to preserve the character of protected buildings when carrying out their functions under Building Regulations. Therefore, where work i

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

The provisions of this Technical Booklet relate to the requirements of Building Regulations and do not include measures which may be necessary to meet the requirements of other legislation. Such other

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Part F implements aspects of Articles 2 to 9 of Directive 2010/31/EU of the European Parliament and of the Council of 19 May 2010 on the energy performance of buildings. Other legislation, including t

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Subject to paragraphs (2), (3) and (4) this Part shall apply to any building and where a building contains one or more dwellings to each dwelling separately.

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Regulation 40 shall not apply to—(a) the extension of a dwelling; and (b) the extension of a building other than a dwelling, unless the extension has a total useful floor area that is both—(i) greater

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

In this Part, the following terms have the same meaning as in European Parliament and the Council Directive 2010/31/EU of 19 May 2010 on the energy performance of buildings (recast)— (i) "industrial s

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Building envelope" in relation to a building, means the walls, floor, roof, windows, doors, roof windows and rooflights;

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Change of energy status" means any change which results in a building becoming a building to which the energy efficiency requirements of these Regulations apply, where previously it was not;

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Cogeneration" means simultaneous generation in one process of thermal energy and one or both of the following— (a) electrical energy; (b) mechanical energy;

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"District or block heating or cooling" means the distribution of thermal energy in the form of steam, hot water or chilled liquids, from a central source of production through a network to multiple bu

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Energy efficiency requirements" means the requirements of regulations 39, 40, 41, 43, 43A, 43B and 47;

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Energy from renewable sources" means energy from renewable non-fossil sources, namely wind, solar, aerothermal, geothermal, hydrothermal and ocean energy, hydropower, biomass, landfill gas, sewage tr

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Heat pump" means a machine, a device or installation that transfers heat from natural surroundings such as air, water or ground to buildings or industrial applications by reversing the natural flow o

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"High-efficiency alternative systems" include— (a) decentralised energy supply systems based on energy from renewable sources; (b) cogeneration; (c) district or block heating or cooling, particularly

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Major renovation" means the renovation of a building where more than 25% of the surface area of the building envelope undergoes renovation;

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"National calculation methodology" means— (a) in relation to a dwelling, the Government's Standard Assessment Procedure (SAP) for Energy Rating of Dwellings; and (b) in relation to a building other th

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Nearly zero-energy building" means a building that has a very high energy performance, as determined in accordance with the National calculation methodology, where the nearly zero or very low amount

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Pipes, ducts and vessels" means any pipe, any duct and any vessel in a space heating or space cooling system that is intended to carry a heated or chilled liquid or gas and includes any associated fi

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Protected building" has the same meaning as in Article 3A(2) of the Building Regulations (Northern Ireland) Order 1979;

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Renovation of a thermal element" means the provision of a new layer to a thermal element or the replacement of an existing layer (other than where a partial replacement layer is provided solely as a

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Target carbon dioxide emission rate" means the rate of carbon dioxide emission measured in kilograms of carbon dioxide per square metre of total useful floor area per year;

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"Thermal element" means a wall, floor or roof (but does not include windows, doors, roof windows or rooflights) which separates a thermally conditioned space from— (a) the external environment includi

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

"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 stai

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Reasonable provision shall be made for the conservation of fuel and power in any building by— (a) limiting heat gains and losses— (i) through thermal elements and other parts of the building fabric; a

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Without prejudice to the requirements of regulation 39, where a building is to be erected, or a building other than a dwelling is extended as described in regulation 38(3)(b), minimum energy performan

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Where it is proposed to execute building work in relation to any existing building with a total useful floor area greater than 1000 m2 and that work consists of or includes— (a) an extension; (b) the

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Where there is a change of energy status such work shall be carried out as is necessary to ensure that the building complies with the requirements of regulation 39.

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Where the renovation of an individual thermal element— (a) constitutes a major renovation; or (b) amounts to the renovation of more than 50% of the surface area of the thermal element, the renovation

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Where a building is to be erected, the person carrying out the work shall, before construction begins, undertake an analysis of and give consideration to the use of available high-efficiency alternati

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

The analysis referred to in paragraph (1)— (a) shall be documented and take into account the technical, environmental and economic feasibility of using high-efficiency alternative systems; (b) may be

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Where a building is erected, it must be a nearly zero-energy building. For the purposes of paragraph (1)— (a) in respect of new buildings occupied and owned by public authorities, this regulation sha

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Where an air pressure test is undertaken for the purposes of demonstrating compliance with regulation 40(2), the person carrying out the work shall give, not more than 5 days after completion of the t

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Where this regulation applies, the person carrying out the work, for the purpose of ensuring compliance with regulation 39(b) and (c), shall give, not more than 5 days after completion of the commissi

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Where a calculation is carried out for the purpose of demonstrating compliance with regulation 40(2), a notice in writing that states— (a) the target carbon dioxide emission rate for the building; (b)

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Where regulation 39 applies, the person carrying out the work shall give, not more than 5 days after completion of the work, a notice in writing to— (a) the building owner giving sufficient informatio

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

It is the view of the Department that the requirements of regulation 39 will be met when – (a) provisions are made to limit heat gains and losses through thermal elements and other parts of the buildi

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

It is the view of the Department that the requirements of regulation 40 will be met when a building is designed and constructed so as not to exceed its Target carbon dioxide Emission Rate (TER). The T

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

It is the view of the Department that the requirements of regulation 42 will be met where a previously unconditioned building, or part of a building, becomes conditioned i.e. by heating or cooling and

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

It is the view of the Department that when renovation and/or replacement work to an individual thermal element constitutes a major renovation or the renovation amounts to more than 50% of the surface

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

It is the view of the Department that the requirements of regulation 43A will be met when the person carrying out the work undertakes analysis of and gives consideration to incorporating high-efficien

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

It is the view of the Department that the requirements of regulation 43B will be met for new dwellings when – (a) the DER is at least 40% lower than the TER calculated under regulation 40 in the case

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

The guidance in Section 2 gives Criterion in relation to – (a) achieving the TER; (b) minimum acceptable standards; (c) limiting the effects of solar gain; (d) quality of construction and commissionin