Can you build a duplex without subdividing?

Yes, you can build a duplex without subdividing in Sydney. This is often called a "dual occupancy" development. Here's what you need to know:

Ownership Options:

1. Single Title Duplex

• One property title

• Single owner for both dwellings

• Can rent both units

• Can live in one, rent the other

• No strata fees or body corporate

Key Requirements:

1. Building Regulations

• Must still meet dual occupancy controls

• Fire separation between units

• Sound insulation requirements

• Separate entries required

• Individual services/meters preferred

  2. Council Controls

• Same size/setback rules as subdivided duplex

• Parking requirements apply

• Private open space for each dwelling

• FSR and height limits apply

Advantages:

1. Simpler Process

• No subdivision costs

• Less complex approval process

• Lower initial development costs

• Easier to manage as single owner

• Future subdivision potential

  2. Financial Benefits

• Two rental incomes

• Lower holding costs

• No strata fees

• Single council rates

• Single insurance policy

Limitations:

1. Ownership Structure

• Can't sell units separately

• Must sell as whole property

• May limit buyer pool

• Financing might be different

• Single tax assessment

This approach is popular for:

• Investment properties

• Family arrangements

• Future subdivision potential

• Simpler development process

• Lower initial costs