Developing a duplex is an affordable, low-risk way to turn your land into a valuable property investment.
Duplex developments are an effective way to maximise land use and increase property value by building two separate living units on a single block.Â
Starting out with a duplex development is a smart way to maximise the potential of your land and secure a profitable investment.
Whether you’re new to property development or looking to expand your portfolio, duplexes offer a cost-effective solution.
Duplex developments offer flexibility whether you want to rent out both units, live in one while renting the other, or create separate spaces for family members.
With the right planning and design, duplex developments can offer high returns while optimising your land’s value.
Why trust DBD with your duplex development?
At DBD, we bring years of expertise to every duplex development project, ensuring that every detail is handled with care. Our in-house architects and builders collaborate to create designs that not only maximise land use but also comply with local zoning regulations and meet your investment goals.
We are committed to delivering high-quality, sustainable builds that stand the test of time, and we pride ourselves on making the development process seamless from start to finish.
We handle everything
From feasibility studies to design, construction, and project completion, DBD manages every aspect of your duplex development, ensuring a smooth process and a high-quality result.
Let us handle the details while you enjoy the benefits of your investment.
Our in-house team of registered architects, interior designers, and leading pre-start managers will work with you to design a home that meets the current market and is built for future growth.
As one of Perth’s most reputable builders our experienced team have an uncompromising commitment to craftsmanship and pedigree in executing high-end luxury builds.
Our expert team of interior designers work closely with you to select the right materials, cabinetry, appliances, and lighting to create a home that meets the market and your budget.
From concept to completion
At DBD, we’re committed to bringing your vision to life with care, efficiency, and transparency. Our approach ensures that each phase of your project is executed to the highest standards, delivering exceptional results every time.






Choosing the right duplex design
Explore our collection of inspiring duplex home designs, carefully crafted by our expert team to offer innovative layouts and practical living solutions.
Narrow Lot Home Designs
Three Bedroom Home Designs
Four Bedroom Home Designs
Single Storey Home Designs
Double Storey Home Designs
Luminous Loop, Wellard
Antila Street, Bennett Springs
Capricorn Crescent, Bennett Springs
Gerard St, East Cannington
Bernard Manning Drive, Duncraig
Chaucer Street, Yokine
Shalvey Close, Duncraig
Sewell Court, Noranda
Drysdale Street, Eden Hill
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Duplex Faqs
What is a duplex development?
A duplex development involves building two separate living units on a single piece of land. These units can either be side-by-side or one in front of the other, each with its own entrance and often private outdoor space.
Duplexes offer a cost-effective way to maximise land use, creating the potential for rental income or multi-generational living.
What are the benefits of investing in a duplex?
Investing in a duplex allows for dual rental income from one property, which can provide a steady cash flow. It also increases the property’s value, as duplexes are in high demand for both rental and resale markets.
Additionally, duplexes offer flexibility for investors who may want to live in one unit while renting out the other.
How much land is required for a duplex development?
The amount of land required for a duplex development depends on local zoning regulations and the layout of the duplex.
In most cases, a standard block size is required, but it’s best to check with local authorities and a property expert to ensure that the land you own is suitable for a duplex development.
What are the steps involved in a duplex development?
The process of duplex development includes several key steps: conducting a feasibility study, securing land, planning and designing the duplex, obtaining permits, and then building the property.
Working with a professional team of architects, builders, and developers ensures that all aspects of the project meet zoning laws, design goals, and budgetary constraints.