A new house in Wexford is the first in the country to achieve an A1 Building Energy Rating and certified passive house status – arguably making it the most energy efficient building yet built in Ireland. So why did a regulatory flaw risk rendering it non-compliant? 

A new extension to the EPA's headquarters in Wexford lives up to the organisation's aim of environmental protection, boasting passive ventilation and lighting, a host of green technologies and a sustainable approach to landscaping.