New home sales are back on the rise, fuelled in part by many investors and owner-occupiers buying off the plan. The concept is straightforward: put up a deposit (usually 10 per cent) to help the developer fund construction and pay the balance when the build is complete. Apartments are now springing up at a rapid rate in capital cities and popular holiday locations with the confidence that property prices will rise, handing buyers a tidy capital growth when they eventually take possession.