O'Connor strawbale passivhaus

The knock-down rebuild in O'Connor was completed in 2022. This was an exciting project as the walls on the ground floor were made of Strawbale SITUPs. The project has achieved Passivhaus certification.

Building Designer: Stephen Dobson - ENV Design

Passive House Analysis: Tom Hughes - Balance Design

• House size including garage - 230m2
• Treated floor area for PHPP - 157.6m2
• Air changes per hour (ACH) - 0.34/h
• Logikhaus triple glazed timber windows and doors
• Strawbale Situps - ground floor walls
• Slab edge insulation - 50mm XPS; under slab insulation - 100mm XPS
• Zehnder Heat Recovery Unit (HRV)
• 7.2 kW PV system
• 10,000L water tank
• Re-used bathtub from knock-down
• Re-used Canberra Red brick (recovered from the knock-down) features, including internal garage wall