Since 2010, Meridien Group has been working with clients to invest in high-performing Dual-key Homes across Southeast QLD, NSW, Victoria, and Perth.

Granny flats, secondary dwellings, dual-occupancy, dual occs, dual-keys, whatever you want to call them, these homes provide a second dwelling that delivers a real-life affordable housing solution for lots of people ... and tune up your property investment portfolio.

Dual-key Homes have consistently delivered strong rental returns for investors, while also addressing Australia’s growing housing affordability issue.

Dual-key Homes | Unlock More Yield

What is a Dual-key Home?

A dual-key home is a single property designed to contain two separate living spaces under one roof. It usually has a main residence, and a smaller self-contained unit with its own kitchen, bathroom, and entrance. Even though the spaces are separate for living purposes, they are typically on one title, meaning it is legally one property. Unlike a duplex, a dual-key home generally cannot be split into two separate titles.

These homes are often used for rental income or flexible living, since the owner can live in one part and rent out the other, or rent both separately.

For investors, dual-key homes provide a second income stream that increases yield and delivers a better net result.

The Rationale for Dual-key Homes Investment

The property investment landscape has changed. New tax rules, higher interest rates, record low vacancy rates, rising property prices all influence what makes a sound investment decision. We believe that yield plays a more critical role in the investment mix than ever and combined with other inherent advantages, now is the right time for Dual-key Homes investment with their unique mix of right-sized living and higher yields.

· Optimised for New Tax Laws

o New Dwelling = Choice of 50% CGT discount or indexation

o Negative gearing benefits available

o Bigger depreciation schedule and tax claim

· The right product at the right time

o Right sizing – better alignment with what the market needs now and into the future

o Rental affordability – 25% to 30% lower real rental costs through better matching

o Lower cost per home – 50% lower land cost per unit of housing

· Better Investment

o Higher yields than standard homes

o In-demand product = higher occupancy rates

o Very limited supply

o Improved access to finance with higher income and negative gearing add-in

o Clear exit strategy with increasing demand from owner-occupiers

o Single title = standard council rates

The gap in the market is for smaller, more affordable homes.
And there is a market in that gap.

Dual-key Homes v Standard Homes

Not everyone needs a 4-bedroom home, but this continues to be the main format developed as investment stock. Over-sizing homes increases the cost per unit of housing and adds to rental costs. In a lot of cases, 2 and 3-bedroom homes better meet the needs of people and improves housing affordability.

Dual-key Homes provide a smart, market-responsive solution that meets the needs of a changing market.

A quick comparison of cost structures demonstrates the clear advantages of Dual-key Homes. The lower cost per unit of housing unlocks more opportunity for affordability and higher yields whilst plugging gaps in the rental market.

More efficiency in cost enables affordability, and higher yields for investors.

Smaller households are the fastest growing segments

1 person households – fastest growing segment
2 person households – second highest growth rate
Single older females is one of the fastest growth segments
2 person households are fastest growing segment in regional Australia

Overall household size (persons per dwelling) in Australia is falling.

Key Facts:

3-bedroom Dual-key Home saves $200 to $250 per week in rental costs
2-bedroom Dual-key Home saves $300 to $350 per week in rental costs

Why invest in a Dual-key?

A dual-key home provides two, individual homes on a single lot, reducing the land cost per dwelling by 50% compared with a standalone home.
Construction costs are also lower per dwelling than 2 x standard homes.

With standard dwellings now yielding under 4%, dual key properties are becoming increasingly attractive.
They deliver higher rental yields.
They are in limited supply due to planning restrictions, which increases buyer demand and long-term investment potential.

More efficiency in cost enables affordability and higher yields for investors.

Key Facts:

SEQ Land Cost = $400k

Land Cost/bedroom for 4-bedroom home = $100k
Land Cost/bedroom for 3+2 Dual-key Home = $80k
20% reduction in Land Cost per bedroom

Cost/Dwelling

4-bedroom home total cost/dwelling = $950k
Dual-key Home total cost/dwelling = $475k
The cost per unit of housing is reduced by 50% with Dual-key Homes.

SEQ Build Cost = $460k
(4 bedroom home) Vs $550k (3+2 Dual-key Home)

4 Bedroom Home | Cost per bedroom $115k/bedroom
3+2 Dual-key Home | Cost per bedroom $110k/bedroom
5% reduction in Build Cost per bedroom

Supporting Trends

Land prices increasing
Build prices increasing
High costs deliver further cost advantages to Dual-key Homes

Location Matters

We source high-yield dual-key investment properties across SEQ, NSW Central Coast, and Victoria, focusing on areas with strong rental demand, population growth, and long-term fundamentals.

Because dual-key homes are not allowed in every council, we carefully select locations with suitable zoning and strong tenant demand.

Victoria currently stands out due to its relative affordability, which can help deliver higher rental yields, especially in growth corridors where demand is rising and supply is tight. With ongoing population growth and a housing shortage across Australia, well-located opportunities are becoming harder to secure.

Overall, these markets offer strong potential for both rental income and long-term growth.

We have more stock available that is not always advertised, or we can help source one to be built for you.

If you would like to know more, please feel free to reach out