Specialists in Passivhaus


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Specialists in Passivhaus

Environmentally responsible
Cost efficient

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Phi Architects

Established 2011

Phi Architects reflects their design philosophy with ‘smart’ architecture, sustainable and environmentally responsible design, combined with the application of Phi Φ, the golden section, to create beautiful proportions in design. Phi Architects is committed to cost efficient design and construction culminating in highly energy efficient solutions.

Latest News

Green Building News

This month we feature our low energy retrofit project in Self Build and Design Magazine. A fifty year old family house, originally designed by Arthur Quarmby, was ready for a thermal upgrade. We improved the form factor of the house by extending into the basement adding new bathrooms to the...

Case Study for Alexandra Road

We are delighted to see an in depth case study for this new dwelling, built to Passivhaus principles, in Self Building and Design magazine’s February issue. The client is pleased with the low running costs, indoor comfort and the design of their new home. The client stated. “I managed the build,...

Passivhaus – Agricultural Barn Conversion

This dwelling is undergoing Passivhaus Certification with WARM. Two air tests have been successfully completed (0.43 ach achieved) and commissioning of the MVHR system is to be carried out soon.