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Passive House Design

Low Energy Design were appointed as Architects for two Deep Retrofit Projects for Dublin City Council, one of which is EnerPHit Certified.


As your passive house designer (including EnerPHit projects for refurbishment), We would ideally like to be involved early in the design process. This can be a service on your project with Low Energy Design or We can work with your personal architect or engineer if you wish on passive house design issues only.

Passive House Planning Package (PHPP) is the software developed by the Passive House Institute in Germany for use worldwide in comprehensively analysing the energy performance of your project using building physics principles. Minute detail of every pane of glass is entered along with floors, walls and roofs, ventilation, solar gain, electricity, airtightness, water heating and thermal bridging. PHPP when complete can be used to iteratively analyse the design performance of the various elements to optimize the design. Detailing is key to almost zero thermal bridges desired in Passive House for each fabric junction along with window installation. This is an area that is also key to airtightness performance. Should you choose to obtain Certification for your project from the Passive House Institute, the PHPP will predict compliance and we can work with approved certifiers to achieve your goal.

Passive House Magazine Publications

Ballyweelin in Rosses Point, Sligo

St Bricin’s Park, Arbour Hill, Dublin