Dual Key Developments

New possibilities. No subdivision.

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What Is Dual Key?

A dual-key home is a single dwelling that’s specifically designed with two fully self-contained living spaces under one roof. Each residence has its own private entrance, kitchen, bathroom and living areas, — giving you the privacy of two homes, without the cost, complexity or approvals of a subdivision.

Because a dual key home is still legally one dwelling, it’s often possible on blocks that could never support a duplex or subdivision. This makes it one of the most accessible ways to generate extra income from your block.

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A Smarter Way To Maximise Your Property's Potential

If your block isn’t suitable for subdivision, or you simply don’t want the cost and complexity of creating separate titles, a dual key development can provide many of the same financial and lifestyle benefits.

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A flexible solution for different goals

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Downsizers

Replace your existing home with a modern, low-maintenance residence whilst creating an additional income stream from the second self-contained living space. It’s a smart way to enjoy a new home while making your property work harder for you.

Multi-generational families

Keep loved ones close while giving everyone the privacy and independence they value. Dual-key homes are ideal for ageing parents, adult children or extended family members who want their own self-contained living space.

Property investors

Generate two rental income streams from a single property while benefiting from the simplicity of one title. Dual-key homes are an attractive investment option that can deliver strong rental returns and appeal to a broad range of tenants.

First home buyers

A dual-key home can make buying your first home more achievable. Live in one residence and rent out the second to help reduce your mortgage repayments—without sharing your own living space.

The Benefits of Dual-Key Property

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A well-designed dual key development can provide a range of financial and lifestyle benefits, including:

Increased rental income potential.
Better affordability than developing two separate titled properties.
Greater flexibility for changing family circumstances.
Improved resale appeal through multiple living options.
The ability to maximise blocks that cannot be subdivided.
A new, low-maintenance home designed for modern living.
Better use of your land without sacrificing privacy.

Every property is different, which is why the best development option depends on your site’s characteristics, local planning requirements and your long-term goals.

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FAQs

Can I build a dual key on my block?

It depends on several factors, including your property’s zoning, lot size, shape, access and local planning requirements. Every site is different, which is why a feasibility assessment is the best place to start. Metrostrata can assess your property’s development potential and advise whether a dual occupancy is the most suitable option.

FAQs

Can I build a dual key without subdividing my land?

Yes. One of the key advantages of a dual key development is that two self-contained homes can often be built on a single title without creating separate lots. This can reduce development costs and simplify the approval process while still providing the benefits of an additional dwelling.

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FAQs

Is a dual key a good investment?

For many property owners, yes. A dual key development can create an additional rental income stream, improve the overall value of your property and provide greater flexibility for the future. It’s a popular option for investors, homeowners, downsizers and first home buyers looking to make better use of their land.

FAQs

What size block do I need for a dual key development?

There isn’t a single minimum block size. Suitability depends on your property’s zoning, dimensions, setbacks, access and the applicable planning requirements. Metrostrata can assess your site and explain what development opportunities are available

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What's the difference between dual occupancy and dual key?

A dual occupancy development involves constructing two independent dwellings on a single block of land with one legal property title. These can be attached (like a duplex or semi-detached) or completely detached.

A dual key home is a single dwelling on a single block of land with a single title, but is designed with two fully self-contained living spaces under one roof.

A Complete Development Service

Metrostrata manages every stage of your project under one roof, making the development process simpler and more efficient.

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Development feasibility.
Site assessments.
In house architectural design.
Solar passive design principles and energy efficient features.
Planning and development approvals.
Engineering and documentation.
Construction management.
Project delivery from concept to completion.

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We take the time to understand your objectives before recommending the most suitable approach.

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We assess your property’s development potential, planning requirements, budget and expected returns so you can make an informed decision with confidence.

Maximise Your Site's Potential

Book a development consultation today