40ft Prefab Granny Flats with Modern Exterior Design

For more detailed information about the 40-foot transportable granny flat

Looking for Granny Flats that combine space, style, and mobility? This 40ft modular unit offers a smart, prefabricated solution with a sleek black-and-white exterior, ideal for those who need a modern and portable living space. Whether for elderly family members, guest accommodation, or a rental opportunity, our Granny Flats are designed to deliver comfort, privacy, and durability—all in one foldable package.

Why This 40ft Granny Flat Stands Out

✅ Modern Exterior Finish

  • Unique black panel with white frame gives this Granny Flat a contemporary edge.

  • Powder-coated steel frame for durability and weather resistance.

✅ Spacious 40ft Layout

  • Expanded size suitable for a 2-bedroom Granny Flat or a spacious studio Granny Flat.

  • Flexible internal layout supports open living room, private bedrooms, bathroom, and kitchen zones.

✅ Fully Prefabricated Granny Flat

  • Delivered with most systems pre-installed: electrical wiring, insulation, doors, and windows.

  • Save time and labor with a plug-and-play Granny Flats solution.

✅ Built for Transportability

  • Built as a portable Granny Flat, fits in a 40HQ container.

  • Easily installed on-site with minimal construction—perfect for remote areas or urban backyards.

transportable granny flat Gallery

Technical Specifications

FeatureSpecification
Expanded SizeL11800 × W6240 × H2480 mm
Internal SizeL11540 × W6140 × H2200 mm
Folded SizeL11800 × W2200 × H2480 mm
Total Floor Area72 m²
Weight6500 – 8000 kg
Loading Capacity1 Set / 40HQ container

This 40ft Granny Flat offers three times the internal width once expanded, making it one of the most efficient transportable Granny Flat solutions on the market.

View custom options for doors, windows and cabinets

Best Uses for Our 40ft Granny Flats

  • 🧓 Granny Flats for Aging Parents
    Offer privacy and comfort while keeping family close.

  • 🛏 Granny Flats as Guest Suites
    Provide modern and independent living for visitors.

  • 💰 Granny Flats for Rent
    Generate income by turning your backyard into a revenue-generating space.

  • 💼 Granny Flats as Home Offices
    Use this structure as a professional, detached workspace.

Why Our Granny Flats Are the Smart Choice

  • ✅ Modern design with curb appeal

  • ✅ Fully finished or semi-finished on request

  • ✅ Plug-and-play installation

  • ✅ Factory-direct price from a 14+ year Chinese Granny Flat manufacturer

  • ✅ Shipped worldwide – Australia, NZ, Europe, Latin America

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