As a guide, once the slab is poured onsite, the construction process for a single-storey granny flat can take 15-18 weeks to complete. See our guides to building a Granny Flat on the Central Coast, Newcastle, Lake Macquarie and Hunter Region.
HOW LONG DOES IT TAKE TO BUILD A GRANNY FLAT?
PJ Cook2024-06-26T11:12:17+10:00