Ireland's first passive house development emerged as the big winner at the first inaugural Isover Energy Efficiency Awards in Dublin on Friday. The Grange Lough project — by developer Michael Bennett and Shoalwater Timber Frame — won first place in the competition and will now go on to Isover's European awards in Barcelona this June. This is the first time Ireland will be represented at the finals.

Part of the Mater Hospital redevelopment, the recently completed Mater Orchard building is a first class example of how to integrate sustainable building strategies into a substantial building whilst keeping extra cost to a minimum.

As policy makers start to set mandatory low energy and renewable energy requirements as conditions of planning, the ability of the construction industry to find sound low-cost ways of achieving the new standards is becoming a key factor. John Corless speaks to leading sustainable building consultant Jay Stuart of Delap & Waller EcoCo and Paul Gilmartin of Ecobead to discover an approach with enormous potential for en-masse usage.