Dual occupancy homes, also known as duplex homes or dual living homes, are becoming increasingly popular among homeowners and investors alike. A dual occupancy home is a single building that is designed to accommodate two separate households, each with its own living spaces, kitchens, bathrooms, and entrances. They offer many benefits, such as cost savings, flexibility, and potential for rental income. In this guide, we will explore the advantages of building a dual occupancy home and provide a step-by-step guide on how to build one.

Advantages of Building a Dual Occupancy Home

Cost savings: Building a dual occupancy home can be more cost-effective than building two separate homes. With a dual occupancy home, you only need to pay for one set of building materials, one set of permits, and one set of contractor fees.

Rental income: A dual occupancy home can provide a great opportunity for rental income. You can choose to rent out both units or live in one and rent out the other. This can help offset the cost of your mortgage and provide you with an additional stream of income.

Flexibility: A dual occupancy home provides flexibility for homeowners. You can choose to live in one unit and use the other as a guest house, a home office, or a rental property. You can also choose to sell one unit and keep the other as a long-term investment.

Increased property value: Dual occupancy homes can increase the value of your property. They are in high demand and can be an attractive option for buyers who are looking for a home with a rental income opportunity.

Steps to Building a Dual Occupancy Home

Research: Before you start building a dual occupancy home, you need to do your research. Check with your local council to see if dual occupancy homes are allowed in your area. You also need to consider the zoning requirements, building codes, and any other regulations that may apply.

Design: Once you have done your research, you need to design your dual occupancy home. You can choose to design the home yourself or hire an architect to help you. Consider the needs of both households when designing the layout of the home.

Obtain permits: Once you have your design, you need to obtain the necessary permits from your local council. This may include building permits, zoning permits, and planning permits.

Hire a contractor: Once you have your permits, you need to hire a contractor to build your dual occupancy design homes for the Sydney location. Choose ES Design, we have experience building dual occupancy homes and have a good reputation in the industry.

Build the foundation: The first step in building your dual occupancy home is to lay the foundation. This is the most important part of the building process, as it will determine the stability of the home. You may need to hire an engineer to help you with this step.

Frame the walls: Once the foundation is in place, you can start framing the walls. This involves building the exterior walls, interior walls, and dividing walls between the two units.

Install utilities: After the walls are framed, you need to install utilities such as plumbing, electrical, and HVAC. You need to ensure that both units have their own separate utilities.

Install insulation and drywall: Once the utilities are in place, you need to install insulation and drywall. This will help keep the home comfortable and energy-efficient.

Install flooring and fixtures: The final step in building your dual occupancy home is to install flooring, cabinets, countertops, and fixtures. This is where you can add your personal touch and make the home feel like your own.


Building a dual occupancy home can be a smart investment for homeowners and investors. They offer cost savings, flexibility, and potential for rental income. If you are considering building a dual occupancy home, Call ES Design experts today. We work with you to ensure that you get exactly what you want from your property.