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B2 Requirement where 25% of surface area being renovated

  • 09-03-2022 5:44pm
    #1
    BoardsMember
    Registered Users Posts: 4,352 ✭✭✭


    Hi - does anyone have any knowledge in practise of this 2019 building standard?

    "Where more than 25% of the surface area of the existing dwelling (this included the walls and the roof) is being renovated, the energy performance of the building or the renovated part of the building must meet the new energy efficiency requirements. The standards must be met if it is technically, functionally and economically possible."

    More info here: https://www.gov.ie/en/publication/8b6cd-new-energy-efficiency-and-ventilation-standards-for-major-renovations-to-buildings/

    Is this now part of some sort of sign off for a building that is renovated? If not, how rleevant or enforceable is it?

    Wondering if Architects are now building this requirement into their projects, or is it for them to do so? Or are people engaging BER Tech type people to tell architect what needs to be done to achieve the B2?

    Also wondering how the bold bits might be interpreted.

    There would seem to be a heavy overlap with the intention of this and the design of the One Stop Shop in that both are designed to deliver a B2 when works are complete.

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