As well as meeting the ‘Low Energy Building’ performance standard from the Passivhaus Institute, it considers material specifications so also has a low environmental impact construction. It has been built using eco friendly wood based insulation and using a timber structure. Hence, it is low embodied energy and is low carbon and low energy in use.
Cladding is Scottish larch and recyclable, long lasting zinc. The small energy needs of the house are powered by PV panels and an air source heat pump, further reducing the environmental impact in use.
An embodied carbon calculation was done to explore how the construction forms, showing that the biggest single contributor to the carbon impact are the PV panels. Subsequently to this project being designed, The RIBA published it’s 2030 embodied carbon best practice targets, and this project exceeds these – more than a decade in advance.