Passive House Architects located in Northern Ireland NI.

We offer a free consultation via zoom before you decide that we are the best architects for you. We have experience in small house extensions, one-off houses, residential developments, commercial, retail projects, education, and healthcare. 



Roisin is a registered architect, with over 10 years’ experience in practice, mainly in design and planning issues (outline and full planning) – and has one of the best planning appeals rate in the northern planning office (ie gained approval on many sites that were previously refused).

Within a few years of graduating, Roisin quickly got promoted to Director in one of the north coast’s largest practices, before deciding to take on a new challenge, and set out on her own.

In her position of Director, Roisin was Project Architect on a wide variety of schemes;  house extension, refurbishment, one-off houses, housing developments, retail units, & hotels.

Roisin studied architecture at Queens University Belfast, receiving one of the highest marks in her year, and has had work published in newspapers and architecture magazines. An international Architect said about her work ‘I look forward to reading about more of her work in the future’.


BA (Hons) Arch NLPP Passive House Designer

Martin started out as an architectural technician before studying for his BA Architecture at the Art College Belfast, where he finished 5th in his class.  He has since continued to become a certified passive house designer. He has worked for 3 of the top architectural practices in Belfast, with over 12 years’ experience in practice, working on award-winning projects up to £105 Million. Martin has vast experience in technical issues, with a particular interest in environmental and thermal performance.

To further his knowledge in the finer details of environmental construction and the cost implications within the design process, Martin decided to work for a PassivHaus registered builder, learning from the inside how to design more cost-effective buildings.

Martin has also trained with Passive House Ireland in ‘thermal bridging’ calculations. He has worked on several Zero Carbon Houses, including his own house, which has been designed to meet both Passive House and Zero Carbon standards.  He is the first to design, build and be living in a Passive House in Northern Ireland. His own house won ‘FMB Energy Efficient House of the Year UK’ – the first in Northern Ireland to win this prestigious award!

Total heating and electric costs for his house, for the year, are approx. £600.  With the PV solar panels and air-source heat pump, his house makes approx. £800 per year….with the surplus £200 going into his pocket!