Retrofit

G rated Limerick semi-d upgraded to A3 with full envelope & heating system upgrade

Architect Eva Murphyova creates a modern and sustainable take on the traditional farm settlement with the addition of a new envelope, timber frame extension and sustainable heat sources

Sligo estate house adds hemp lime extension & renovation with vertical bore-hole heat pump

Local authorities upgraded hundreds of houses last year under a €20m government scheme, and the Department of Environment has doubled funding for 2010. With local energy agencies playing a key role on the ground, the programme offers vital lessons for keeping quality high in energy retrofit schemes. Words: Lenny Antonelli

Renovated agricultural barn marries its traditional look with modern green features