OPAL Architecture

At OPAL Architecture, we remove the risks and additional costs for our clients when they design and build the next generation of sustainable buildings. OPAL was founded in 2008, as the architecture half of a groundbreaking design/build company, and launched as an independent architecture firm in 2019. Based in Belfast, on the coast of Maine, we maintain an unwavering focus on design excellence while continually striving to achieve the highest standards of building performance and occupant comfort and well-being. As leaders in Passive House Design, all of our buildings are built to reduce energy consumption by 90%, and with renewable energy systems, we strive to make them all Net-Zero Carbon and Energy from day one. We believe in a close working collaboration with our clients to create timeless buildings with seamless functionality, light-filled spaces and low impact materials that provide astonishing thermal comfort and healthy indoor air quality- healthy buildings for People and the Planet.