Find a PHINZ member

Our members are practitioners and suppliers, providing a range of services and products for use in Passive House projects.


Three Line Studio

104/28 Waterloo Quay, Wellington, 6140
28 Waterloo Quay Wellington 6011 NZ

Amanda Bulman and Denis Chin are the directors of Three Line Studio, and have been practising together since 2001.  They are both registered with the New Zealand Institute of Architects and have a diverse team of architects and technicians working with them out of the historic ‘Shed 21’ building on the Wellington waterfront.




Membership Level
Certified Passive House professionals
Certification type
Certified Passive House Designer
Name of certified person
Denis Chin
Expiry date of certification
January 30, 2025