Costello + Graham Design specialise in creating living spaces that are stylish and functional and capture the Northern Beaches lifestyle.  Natural light and ventilation are a feature of our eco-conscious design solutions.  Whether your project is big or small, new or a renovation we are committed to helping our clients achieve their dreams for their living environment.

Rob Costello & Leoni Graham are established architects and together have successfully completed new homes and renovations across the Northern Beaches since 2004.  Our team includes Nadine Pruckner who has been with CGD since 2012.