About us

We don’t design just for compliance, we design for quality and performance. As we believe that good design costs no more than bad design, quality construction, designed and executed passionately and responsibly, can make the world a better place.

Costin Stefanescu Architects Limited is a professional RIAI Registered Architectural Practice and one of the few with Environmental Accreditation from the RIAI.

We proudly align ourselves with the prestigious Irish Green Building Council, showcasing our commitment to advancing green building principles. Moreover, one of our colleagues is among the only seven registered building professionals and BC(A)R certifiers holding IGBC Registered Energy Renovation Advisors, highlighting our expertise in energy-efficient design

Having leveraged BIM for over a decade, our in-house BIM Manager is an Official BIM Trainer and Auditor with years of experience in teaching and creating custom-made BIM Templates and Workflows in accordance with ISO 19650.

Our team offers a comprehensive range of services, specializing in major renovations, deep retrofits, loft conversions, interior design, and house extensions for existing structures, while also having expertise in Modern Methods of Construction, including Design for Manufacturing and Assembly, to meet a diverse array of building needs and aspirations.

We take a comprehensive approach to Building Science Consultancy and Building Performance, offering Hygrothermal Risk Assessments, Thermal Bridge Calculations, and Building Energy Modeling. 

Our commitment to the highest standards includes maintaining comprehensive Professional Indemnity insurance coverage, ensuring the utmost protection for our clients.

Overall, Costin Stefanescu Architects Limited is a versatile and innovative architectural practice dedicated to delivering sustainable and environmentally friendly solutions for both new and existing buildings.

Contact us today to learn more about how we can help you achieve your sustainability goals and create a building that meets your needs and exceeds your expectations.