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Please find here details of Passive House projects, under construction and already built, in Aotearoa New Zealand. New projects are being added to this page all the time.

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Martins Farmhouse

Fordell, New Zealand
1185 No 2 Line Fordell Manawatu-Wanganui 4577 NZ

The farmhouse is built on a challenging site that required extensive earthworks but which offers sweeping rural views. It is notable for its use of natural materials: strawbale construction, Light Earth Material (LEM) internal walls and earth plasters inside and out. All walls are timber-framed in order to meet New Zealand’s seismic strength requirements. Two teams of builders were involved. The main contractor ran the job, handing off periodically to a specialist, highly experienced strawbale builder who travelled from the other side of the island.

The natural materials gave the owners an opportunity to assist with construction. The excellent airtightness result is all the more remarkable as two coats of natural plaster on the interior walls serve as the air control layer. The home was carefully planned to provide universal access. It makes extensive use of sustainably-grown timber from the owners’ specialist timber merchant business.

Building type:
Single-family residential
Project phase:
Certification type:
Passive House Classic
Year of construction:
Treated floor area:

Team members

Business Role
Energy Architecture NZ Ltd Architect/Designer
David Brown Building Ltd Contractor/Builder
Energy Architecture NZ Ltd Passive House Designer/Consultant
Sustainable Engineering Ltd Passive House Certifier
eZED Structural Engineer
Hiberna Ltd Straw Bale consultant
Pat Mawson, Straw Home Strawbale construction and earth plastering

Project suppliers

Suppliers Supplied products
ECOWINDOWS Windows and Doors
STIEBEL ELTRON Ventilation/Hot water
Terra Lana Roof insulation
Pro Clima New Zealand Airtightness membranes