Kooyong

  • 476
4
2.5
2
1
476m2
View plan

Essendon

  • 400
6
4
2
2
400m2
View plan

Ashwood

  • 403
7
2.5
3
3
403m2
View plan

Northcote

  • 452
4
2.5
2
1
452m2
View plan

Riverview

  • 485
4
2.5
2
1
485m2
View plan

Caulfield

  • 405
7
2.5
3
3
405m2
View plan

Yarraville

  • 414
3
2.5
2
1
414m2
View plan

Morningside

  • 505
4
2.5
2
2
505m2
View plan

Brunswick

  • 464
4
2.5
2
1
464m2
View plan

Chadstone

  • 460
4
3.5
2
1
460m2
View plan

Oxley

  • 294
3
2.5
1
1
294m2
View plan

Duplex home designs in Victoria, made for flexibility

Behind every front door is a different story—and sometimes, a single home isn’t quite enough. Whether you're building a place for ageing parents to stay close, giving grown kids space to spread their wings, or planning a smart investment for your future, our duplex home designs in Melbourne offer a way to do more with the land you have. With the ability to house two separate dwellings side by side, a duplex can offer privacy, practicality and opportunity—all while keeping your footprint compact. With thoughtful layouts and the support of a local team who understands the area, we’re here to bring your idea to life in a way that feels simple, exciting and joyful.

Designed for real life in Melbourne

From compact inner-city lots to sprawling side-by-side houses in growing suburbs, our duplex designs in Victoria are made to suit how—and where—people want to live.  We’ll help you optimise your orientation for better light and enhanced privacy, and shape outdoor areas that feel like true extensions of each home—perfect for morning coffees, backyard BBQs, or the kids playing until the sun goes down.

With our experienced builders guiding every step, you’ll feel supported from the first sketch to the final handover—by people who know Melbourne, and care about getting it right.

FAQs

  • What are the benefits of choosing a duplex home design in Melbourne?

    A duplex offers the perfect blend of flexibility, practicality and long-term value—especially in a bustling city like Melbourne. It’s a smart way to maximise the potential of your block, whether you’re planning to keep loved ones close with separate living spaces, generate rental income, or build for the future. Duplex designs in Melbourne are also ideal for sloping or narrow blocks, and with two self-contained residences under one roof, you can enjoy the benefits of dual living while still maintaining privacy on both sides.

  • Can I customise my duplex home design?

    Absolutely. All our duplex home designs in Melbourne can be customised to suit your block, lifestyle and goals. Whether it’s tweaking the layout, adding rooms, or adding those exciting personal touches, we’ll tailor the plan to suit your goals, your block and your style. We’re all about the little details that make a house feel just right. That’s the beauty of building with G.J. Gardner Homes.

  • Are your designs available across Melbourne?

    Yes. G.J. Gardner builds right across Melbourne and surrounding areas —from the Inner Northern suburbs to the South East, to the Inner North West and fringe growth corridors. Contact your local office to find your closest G.J. Gardner location — our New Homes Consultants would love to meet you! And rest assured, our house designs are all adapted to meet local council regulations, land sizes, and climate conditions unique to your location.

  • Can each side of a duplex have a different layout or finish?

    Yes, it can. If you’re building to live in one and rent the other, or have different needs for each residence, we can work with you to design two distinct floor plans or vary the finishes. You’ll still benefit from a cohesive external look, but inside, each home can feel uniquely tailored.

  • Are your homes designed to suit Victoria’s climate?

    They sure are. Our duplex designs in Melbourne prioritise natural ventilation, sun protection, and thermal efficiency, complete with quality insulation materials. We will help keep your home comfortable all year round—even on those classic Melbourne days when it feels like all four seasons have passed! Learn more about sustainable heating and cooling considerations here.

  • How do I find accurate duplex designs and prices in Victoria?

    Contact your nearest G.J. Gardner office for a detailed quote based on your chosen design, inclusions and location. We’d love to turn your dream into a reality!