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24A Mellifont Avenue
Dublin, County Dublin, A96 V9K4
Ireland

01 5585205

Award Wining Architects based in Monkstown, Co.Dublin and working in all surrounding counties.

Specialising in sensitive contemporary design for domestic extensions, renovations, new-build houses and interior design.  We also design and build custom joinery.

RIAI registered architects, project managers & interior designers

Dublin Architecture Blog

Hofler Architects Dublin  - Our Blog of our news and views.

Aggressive Passive House Strategies

Paul Mulhern

Dún Laoghaire-Rathdown County Council is to make the Passive House energy efficiency standard compulsory for all new buildings – Dublin City Council to follow suit.

 Passive House Diagram.

Passive House Diagram.

Dublin local authority Dún Laoghaire-Rathdown County Council has voted to make the passive house standard mandatory for all new buildings in the area as part of its 2016 Draft Development Plan. 

Council policy will be that all development in new buildings should be built to the Passive House standard. The motion also stated that Nearly Zero Energy Buildings (NZEBs) and other lower energy standards may be considered as appropriate alternatives.

Dún Laoghaire-Rathdown County Council has a record of requiring higher energy efficiency standards than the national Building Regulations demand.

It was one of the first local authorities, in 2007, to demand that buildings be constructed to higher energy efficiency standards than the national regulations, passing 40% energy and carbon reduction targets, along with mandatory renewable energy systems. 

Local authorities are permitted to set energy efficiency standards above levels in building regulations as a planning condition.

The current national Building Regulations require that anyone building a new home has to achieve a 60% energy reduction and install a renewable energy system to comply with building regulations anyway. Compliance with “Part L” of the regulations typically means an A2 or A3 BER [Building Energy Rating], bringing construction costs up to passive house levels, but with no guarantee that the building will actually work to Passive House certified standards – a standard that is firmly rooted in building science.

Assuming that the passive house clause makes it into the final version of the development plan, Dún Laoghaire-Rathdown County Council would become the first local authority in the world outside of continental Europe to make the passive house standard compulsory. 

Meanwhile, Dublin City Council seems set to follow Dún Laoghaire’s lead -

The Green Party group of councilors have proposed a motion, that states: "Unless exceptional circumstances apply, the council will require new buildings to reach the passive house standard or equivalent, with the exception of buildings that are exempted from BER ratings as defined by SEAI. By equivalent we mean approaches supported by robust evidence (such as monitoring studies) to demonstrate their efficacy, with particular regard to indoor air quality, energy performance, and the prevention of surface/interstitial condensation."

The new policy is to be included in a draft of the development plan due to be brought before the council in July, before a public consultation period begins in September.

Dun Laoghaire Rathdown Development Plan 2016

Hofler Architects