Schoolmasters is a low energy eco house located near Aberdeen, Scotland. It was designed and built by Stuart Duncan of ‘build different’ The single storey house utilises Passivhaus design principals and renewable technologies to ensure lower running costs.


The house is powered by a 5.5kw solar PV array and a biomass stove. A solar switch diverts any export electricity to heat the 500 litre water store. The pellet stove provides any additional heat that may be required in winter.

You can view the Solar array performance in real time – click here


Adopting a ‘fabric first’ approach, the super insulated, airtight structure features south facing triple glazed windows and doors. Mechanical ventilation heat recovery recycles and keeps the internal air fresh and warm. Tyvek reflective membranes help keep heat in the building.

Smart home technologies ensure comfort and convenient control via an ipad or smartphone.


The house was predominantly built off-site using modern methods of construction. Prefabrication in a factory environment has many advantages over traditional construction methods. No bad weather, less waste and fixed costs enable a more sustainable way to build.

Click here to see a video of the construction process.


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