Passivhaus New Build
Deep Retrofit

We provide the complete range of architectural services from the first meeting through the design and build process and as long after works are complete to ensure everything is working as it should.  We pride ourselves on attention to detail and delivering a building which truly performs for both the occupants and the environment

We believe that Passivhaus principles guide excellence in construction and bring our extensive knowledge to bear to all aspects of your project

Passivhaus new build

Our in house expertise ensures that your building is designed to Passivhaus standards from the outset and we use contractors regularly delivering Passivhaus to ensure we meet your goals whether that be to Certify or otherwise



Jim Miller design is at the cutting edge of retrofit to Passivhaus standards, EnerPHit, with exceptional attention to detail ensuring excellence at every stage of the process


Deep retrofit

Deep retrofit can transform comfort and air quality while safeguarding the building fabric so interventions are truly robust and durable, and so sustainable