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UCD’s Roebuck Student Residence


Clients: University College Dublin 

Completion Date: September 2010



The winner of the sustainability award at the 2011 Irish Architecture awards, Roebuck Castle student residence at UCD’s Belfield campus is also the biggest certified passive house project built to date in Ireland and the UK. The student residence is a six-storey detached building with a 4,300 square meter floor area, and hosts 132 students. The building has an ultra-low energy demand (12 kWh/m2,year for space heating) due to a high performance building envelope and efficient building services, including a 160 m2 drain-back solar water heating system. It also makes extensive use of ecological materials in the construction and furnishing of the building. Xavier Dubuisson, now managing director of XD Consulting, was on the design team as Passive House specialist at DWEcoCo together with Delap & Waller and Kavanagh Tuite Architects. Xavier carried out the energy balance calculations (with PHPP), advised on the building fabric specification and detailing for a high level of airtightness and low thermal-bridging, and assisted with the solar thermal system design. “Xavier is a very knowledgable, helpful, and expert building sustainability consultant, who I can thoroughly recommend from the perspective of having worked together with him on a large ‘Passive House ‘ project.” Tony Rigg, Principal Architect on the Roebuck project at Kavanagh Tuite