Consultation Proposals for amendment of Technical Booklet Guidance to Part F (Conservation of fuel and power)

Consultation opened on 11 October 2021. Closing date 19 December 2021.


The Department of Finance (DoF) is consulting on the uplift to standards of Part F of the Building Regulations. The consultation proposals are intended as an interim step and to provide a more robust application of Regulation 43B (Nearly zero-energy requirements for new buildings).


Consultation description

This consultation sets out DoF proposals to uplift guidance on energy efficiency and carbon performance requirements for new buildings.

Three options are considered:

  • Option 1: do nothing
  • Option 2: a 25% betterment of the current emission targets for all new dwellings and a 15% betterment for new buildings other than dwellings; and
  • Option 3: a 40% betterment for new houses, and 25% for new flats and 15% for new buildings other than dwellings

Option 2 and 3 also propose improved minimum standards for building fabric and encourage more air-tightness testing. Further proposals, to take into account updated methodologies and software currently under consideration in other regions, are expected to follow in subsequent phases.

DoF is seeking comments and views of interested parties on the proposed changes. Your views will help to inform the development of final policy proposals prior to the DoF Minister bringing these forward for consideration by the NI Executive and assembly.

The following events are planned for construction industry representatives:

Event 1 - Thursday 21st October 2021at 2pm: An introductory session to explain the proposals, timelines, potential practical out-workings and planned subsequent steps. The registration link can be found here

Event 2- Thursday 18th November 2021 at 2pm: A session to review and provide clarification on the consultation documents, if necessary, for those responding to the consultation. The registration link can be found here

NOTE: These events are not an alternative to submitting a formal consultation response.


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