Helping you build great things. Filter Recent Projects Bellevue Hill Dual Occupancy Rose Bay Residence Gaden House, Double Bay Aston Grand, Bondi Junction Ray White Double Bay Building The Galleries, Rose Bay Close Childcare & Education Dwellings and Dual Occupancies Heritage Institutional Mixed Use & Commercial Residential Flat Buildings Restaurants, Clubs & Hotels Seniors Living Strategic & Master Planning At gsa planning, we always strive for professional excellence, client satisfaction, and the best planning outcome.