Why Add a Granny Flat?
In 2025, granny flats (secondary dwellings) are booming for rental income, multi-generational living, or home offices. Complying development rules make approvals faster and easier in many areas.
Stylish standalone granny flat complementing the main home.
Self-contained living with modern kitchen and bathroom.
Compact yet comfortable secondary dwelling.
Granny Flat Rules in 2025
- Size: Up to 60m² in most states (complying development).
- Approvals: Fast-track CDC (VIC/QLD/NSW) or DA if larger/custom.
- Lot Requirements: Minimum block size (e.g., 450m² VIC, no min in some QLD areas).
- Use: Rent to family or tenants; separate utilities recommended.
Prefab or custom build options available.
Benefits & Costs
Value Add: Increases property worth $100k–$300k+.
Costs: $80k–$200k (prefab cheaper, custom higher).
Lifestyle: Perfect for ageing parents, adult kids, or guests.
Supporting family while maintaining privacy.
Tips for Adding a Granny Flat
Choose prefab for speed/cost, ensure separate access, check sewer connections, and plan for future strata subdivision if allowed.
Blending seamlessly with the backyard landscape.
Conveyancing & Legal for Granny Flats
Adding a secondary dwelling may require title notations or future subdivision. Specialists handle approvals and contracts.
For fixed-fee conveyancing in Victoria and Queensland—specialising in granny flats, secondary dwellings, dual occupancy, and backyard additions—consider First Class Legal. They support your granny flat project from start to finish.
Extra space, income, and family flexibility unlocked.