Cousins opened her studio Clare Cousins Architects in 2005, sharing an office with her husband's construction company Maben at 140 Langford street in North Melbourne. The couple then purchased and moved into a semi-brutalist space that they refurbished and named 'The Blackwood Street Bunker' in 2013. Cousins has also served as the Victorian chapter councillor, an active member of the Victorian Small and Medium Practice Forums, chair of the Member Services Committee (Victoria), chair of the
Architecture Australia Editorial Committee, Constructive Mentoring Program mentor (Victoria) a juror at both state and national levels of the Australian Institute of Architects' National Architecture Awards program.
Nightingale involvement In 2014, Cousins and Pederson invested $100,000 in Nightingale 1.0, a not-for-profit replicable, triple bottom line housing model with an overarching priority towards social, economic, and
environmental sustainability. Completed in 2022, Cousins lead the design of Nightingale Evergreen. Located along five other Nightingale projects within Nightingale Village, Nightingale Evergreen contains 27 apartments designed for diverse individuals and families. Through a collaboration with Housing Choices Australia and Women's Property Initiatives, Nightingale Evergreen has pre-allocated 20% of their apartments to community housing providers. == Awards and honours ==