The 20 SQM Rule: Queensland’s “No-Permit” Granny Flat Threshold

As a portable modular home developer in Queensland, I am often asked by homeowners how they can add extra living space without drowning in council paperwork. In the 2026 property market, the “20 SQM Rule” has become the golden threshold for those looking for a rapid, cost-effective expansion. While larger secondary dwellings (often up to […]

