Specialists in duplex builds across Sydney, delivering smart, stylish dual-occupancy homes with expert craftsmanship, functional design, and long-term value 💥
Designed to suit your site, lifestyle, and investment goals - smart, tailored dual occupancy solutions.
We take care of the heavy lifting - handling DA, CDC, and council approvals so your project stays on track.
From the first slab to final handover, we manage every stage with care, ensuring your duplex is built to last.
With over ten years of hands-on duplex building experience, we bring proven expertise, sharp attention to detail, and a no-fuss approach to every project.
At Black Lab Building, we bring clarity and craftsmanship to dual-living construction. As experienced duplex builders in Sydney, we work with developers, investors, and homeowners to unlock the full potential of their land. From clever layouts to quality finishes, we create dual-occupancy homes that feel thoughtful, balanced, and built to last.
When you partner with us as your dual occupancy builders, you’re getting more than a builder – you’re getting a team that understands both sides of the build: the design intent and the delivery reality. We handle the complex approvals, manage timelines with care, and build homes that work hard now and hold value into the future.
Smart planning & an experienced team means faster builds - without cutting corners.
We collaborate with architects to ensure your duplex is built right, inside and out.
We maximise value without compromising on quality - no hidden costs, no shortcuts.
Our work is backed by real warranty & guarantees, so you can build with confidence.
When it comes to townhouse building, thoughtful design and efficient use of space are everything. Whether you’re building for resale, rental, or multi-generational living, we deliver townhouses that feel high-end, not high-density.
From navigating planning approvals to managing complex builds across tight sites, we ensure every stage runs smoothly, so you get a result that’s practical, profitable, and built to last.
Yes, but it depends on your property’s zoning and local council regulations. Recent changes have made it easier to build dual occupancies in certain R2 Low-Density Residential Zones across NSW. However, factors like lot size, frontage, and existing structures can affect eligibility.
The construction timeline varies based on design complexity, site conditions, and approval processes. Generally, building a duplex or townhouse in Sydney can take between 8 to 12 months from the commencement of construction.
Yes, you will need planning permission from your local council or municipality to build a townhouse. The requirements and process for obtaining planning permission can vary depending on your location and the specific regulations in your area.
Ready to make your vision a reality? Please fill out our form, and we’ll be in touch to explore your goals and bring your project to life!
