14/06/2026
AMJ Steel-Concrete Prefabricated Granny Flat for Australia | 60㎡ / 80㎡ Floor Plans
1. 60㎡ Standard Granny Flat for Basic Needs
Positioning: Boasting the fastest approval process and suitable for most backyard lots across Australia.
• Layout: 2 bedrooms, 1 living room, 1 bathroom and 1 kitchen
• Application Scenarios: Accommodation for elderly family members, temporary stays, rental income and legal backyard expansion.
• Policy Advantages: As a standard compliant small-size Granny Flat in Australia, it is exempt from complicated construction approval procedures in most states. It features the shortest approval lead time and few restrictions on land plots.
• Features:
◦ Equipped with independent kitchen and bathroom for fully self-contained living
◦ Complies with Australian NCC standards for thermal insulation, sound insulation, wind resistance and earthquake resistance
• Target Groups: Retirees, international students, short-term rental investors and families requiring extra living space.
2. 80㎡ Premium Comfort Granny Flat
Positioning: The mainstream model in Australia with superior cost performance, enhanced living comfort and higher rental returns.
• Layout: 3 bedrooms, 1 living room, 2 bathrooms and 1 kitchen
• Application Scenarios: Long-term residence for the elderly, elderly couples, family expansion for second-child households and high-quality long-term rentals.
• Product Advantages:
◦ One extra separate bedroom compared with the 60㎡ version for greatly improved living comfort
◦ Rental income is 20% to 30% higher, making it a top pick for property investment
◦ Spacious interior with user-friendly layout, fully meeting the standards of regular Australian residential buildings
• Compliance: It adheres to local municipal regulations on outbuildings in all Australian states and does not occupy the floor area quota of the main residence.
3. Universal Core Standards for 60㎡ & 80㎡ (Exclusive to AMJ Prefabricated PC Products)
✅ Full steel-concrete prefabricated PC structure, permanent buildings with inheritable asset value
✅ Meets Australian wind and earthquake resistance standards with excellent salt spray corrosion resistance, ideal for both coastal and inland regions
✅ Fully prefabricated in factory; the main structure can be completed on site within 7 days
✅ Dust-free construction with minimal waste and low noise, in full compliance with Australian residential environmental regulations
✅ Thermal insulation, sound insulation and waterproof performance certified to NCC requirements
✅ Low-maintenance structure with nearly zero ongoing upkeep costs
4. Positioning Comparison: 60㎡ VS 80㎡
• 60㎡: For basic demands, fast implementation, low cost, high approval rate and lightweight investment
• 80㎡: Premium comfort type with high rental income and profit margin, suitable for multiple occupants; the best-selling mainstream model