Duplex Beauty With Bush Reserve View A duplex design consists of two fully separate dwellings. A duplex is two homes that are joined together with a common wall in-between. Each home has its own separate entrance, outdoor space.This style of living is quite popular in urban developments for its affordability and modern design. Whether you are a first-home buyer, wanting to make a sound investment, or looking to downsize - whatever your reasons - a duplex could be the answer. With attractive interest rates at the moment, a duplex plan could help you get on the property ladder. A duplex often holds its value and provides good rental income. Downsizing to a duplex A brand new duplex offers you the opportunity to save money on your build. Whether you are planning for retirement or simply wanting to downsize, our duplex design plans offer not only affordability, but provide the safety and security of a structurally-sound home. A duplex gives you the best of both worlds. A brand new home and financial flexibility.