Kooyong

  • 476
4
2.5
2
1
476m2
View Design

Essendon

  • 400
6
4
2
2
400m2
View Design

Ashwood

  • 403
7
2.5
3
3
403m2
View Design

Northcote

  • 452
4
2.5
2
1
452m2
View Design

Riverview

  • 485
4
2.5
2
1
485m2
View Design

Caulfield

  • 405
7
2.5
3
3
405m2
View Design

Yarraville

  • 414
3
2.5
2
1
414m2
View Design

Morningside

  • 505
4
2.5
2
2
505m2
View Design

Brunswick

  • 464
4
2.5
2
1
464m2
View Design

Chadstone

  • 460
4
3.5
2
1
460m2
View Design

Oxley

  • 294
3
2.5
1
1
294m2
View Design

Duplex house designs in the ACT, designed to do more with your land

A duplex opens up more ways to build on the land you have. Whether you’re planning for two households to live side by side, creating an additional income stream, or investing in a build that offers flexibility over time, our duplex home designs in the ACT are shaped to support those goals right from the start.

Each design brings together two complete homes, thoughtfully arranged so both feel settled, comfortable, and easy to live in. Separate entries, independent living spaces, and well-considered layouts allow daily life to run smoothly across both dwellings—without either feeling compromised. With experienced local guidance, we help turn a smart building idea into a duplex that feels practical, achievable, and genuinely exciting to build.

Designed to work across local blocks and planning requirements

Building a duplex requires careful planning from the outset. Our duplex house plans in the ACT consider access points, parking, and internal layouts that help both homes feel settled and usable. Outdoor areas are designed to feel easy and inviting, giving each home its own place to step outside and unwind while keeping clear boundaries between the two dwellings.

With more than 60,000 homes built across Australia, we bring proven experience to every project. From navigating council requirements to shaping layouts that support resale, rental income, or long-term living, we help you choose a design that works now and remains adaptable over time.

Explore modern duplex home designs in the ACT and build two homes that deliver flexibility without complexity.

FAQs

  • What is a duplex?

    A duplex is made up of two separate dwellings joined by a shared wall. Each home has its own entry and operates as a complete residence. Duplexes can be built on one title or subdivided into two titles, depending on planning approvals and local regulations.

  • What are the benefits of building a duplex?

    Duplex homes offer a fantastic mix of affordability, flexibility, and income potential. Some homeowners live in one home and rent or sell the other to help offset build costs. Others build both homes as an investment, creating two income streams from a single block without body corporate arrangements. Duplexes can also make it easier to build in locations where a traditional house and land package is less accessible.

  • Can duplex home designs be customised?

    Yes. Our duplex home designs in the ACT can be customised to suit how you plan to use each home. That might include extending one living area to open onto a courtyard, adding extra storage near the entry, or incorporating a play room. Your New Homes Consultant will guide you through design options.

  • Can each side of a duplex be different?

    They can. While the exterior is designed to remain cohesive, internal layouts and finishes can be varied. This works well if one home is owner-occupied and the other is intended for family, guests, or rental use.

  • Are your duplex homes built for Canberra’s climate?

    Yes—we focus on smart orientation, insulation and ventilation to help your home stay comfortable through Canberra’s distinct four seasons. As Australia’s coldest capital city, thoughtful design is especially important in winter. Our designs make the most of natural heating and cooling strategies wherever possible, helping you stay cosy in the colder months and cool in summer without driving up your energy bills.

  • How do I get started?

    It begins with a conversation. Your New Homes Consultant will help you explore duplex designs, discuss planning requirements, and guide you through the next steps toward building your dream home.