2 in a mix of studios and four-, six- and eight-bed clusters.
The Passivhaus design means that once complete, the complex of buildings will operate at a 75% carbon reduction compared to the same size buildings of traditional design and construction.
What energy it does require for heating and hot water will be generated by photovoltaics or air source heat pumps using heat recovery systems to maximise the energy efficiency.
Matt Tarling, director at Stride Treglown, said: “If we’re to seriously tackle our national carbon commitments, then all future projects will need the skills and experience we’re putting into action here.”