Granny Flats

Smart living, right in your backyard…

Do you need extra space for your family, a new income stream, or to enhance your lifestyle? Consider a granny flat. It’s a cost-effective and clever way to create more living space right on your property.

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Independent. Adaptable. Built to Last.

Need more space for family, income, or lifestyle? A granny flat is a smart, cost-effective way to create extra living space on your property — and with Alphaline, it’s easier than ever.

Our granny flats are fully self-contained, beautifully finished, and designed to suit a range of needs — from aging parents and adult kids to rental income or work-from-home freedom.

Whether you’re planning a second dwelling for multigenerational living or seeking passive income, Alphaline’s modern designs, flexible layouts, and quality construction deliver lasting value.

Families and Investors Choose Alphaline Granny Flats

Alphaline homes attract first-time buyers with turnkey convenience, Australian-standard construction, smart, spacious layouts, eco-friendly features, and customizable finishes—all within a budget-friendly price.

Fast, no-fuss installation with full inclusions — so you can move in or rent out sooner.

Our designs meet local building codes and regulations — with support for approvals and permits.

Smart floorplans with separate entries and thoughtful zoning to maximise privacy and comfort.

Create safe, independent living for aging parents, young adults, or extended family members.

Maximise your land’s potential with self-contained accommodation perfect for tenants or guests.

25 year structural warranty

Our 25-year structural warranty guarantees peace of mind, ensuring that every aspect of your structure’s integrity is upheld to the highest standards. Trust in our commitment to durability, quality, and customer satisfaction for decades.

Ready to start your planning journey

What our granny flat owners are saying.

See More Testimonials
  • “We built a granny flat for my mum, and it’s been perfect. She has her own space, and we have peace of mind knowing she’s close by.”
    — Leanne & David, Brisbane
  • “Our Alphaline granny flat became the perfect home office and guest space. It’s stunning — and the process was simple from start to finish.”
    — Sophie, Gold Coast

How It Works: Your Granny Flat in 6 Steps

Embark on your compact and modular homeownership journey with our expert team, streamlined designs, custom finishes, hassle-free approvals, quality builds, and exciting move-in moments.

Talk with our team about your needs, property, and local council requirements.

Choose from pre-designed layouts that suit most backyards and living needs.

Pick your preferred cladding, colours, flooring, kitchen upgrades, and eco-options.

We’ll guide you through permits and local compliance to get the green light fast.

Your granny flat is constructed in our factory and delivered to your site, ready to install.

Enjoy extra space for your family or start earning from day one.

Perfect For:

Ideal for couples, growing families, landowners, and those seeking affordable regional lifestyle options—discover your perfect fit with us.

  • Families housing aging parents or adult children
  • Homeowners wanting passive rental income
  • Backyard studios or work-from-home spaces
  • Airbnb or guest accommodation
  • Rural, regional, and suburban blocks