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Established in 2013 by Karen Ognibene, KO&CoArchitecture consists of a small team of architects and designers, each with unique project experience. The “Co” represents the collaboration which exists amongst our team and also the manner in which we work with our clients, stakeholders, consultants and builders. 

We are an AIA A+ practice, our quality management systems are accredited under ISO9001:2015 and we hold prequalified consultant status with both government bodies and selected not for profit clients. 


We have designed several highly commended buildings. In addition, during her time at Arkhefield and Mirvac, Karen was instrumental in delivering several award-winning buildings.

Musgrave Road Studio

Todd's Social

Cornwall Street Affordable Housing

Jingeri Glenalva Terrace

Terrace House

Townsville Cruise Terminal by Arkhefield

Fitzgibbon Core Apartments by Arkhefield

Cairns Cruise Terminal by Arkhefield

Syrah Apartments by Arkhefield

Satou House by Arkhefield

Bond University Mirvac School of Sustainable Development by Mirvac Design

Hartopp Lane by Arkhefield

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