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DUPLEX HOME BUILDS

Custom designed to suit your block, goals and lifestyle

Quality dual occupancy homes, built since 2012

Delivering dual occupancy homes with care and precision.

At Betacon Construction, we build duplexes that reflect your lifestyle, maximise your land's potential and stand the test of time. We work directly with Yaz Design, our independent building design partner, allowing the design and construction teams to coordinate closely. We are also happy to build from plans you have already developed or work alongside your chosen designer or architect. Every duplex project is carefully managed from initial planning through to handover, delivering functional, practical and well-built homes. Whether you want to live in one and rent the other, accommodate extended family or create long-term value, we tailor the build to suit your goals and your block. We have been building across Ryde and the surrounding suburbs since 2012.

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What sets us apart as duplex builders.

Experts in duplex projects from design to delivery

Yaz Design, our independent building design partner

Council approvals managed in-house for efficiency

Designs focused on functionality and flexibility

CDC and SEPP specialists for faster project delivery

Betacon Construction’s luxury duplex builds, creating stylish and functional dual-living spaces across Sydney’s top suburbs

Why choose Betacon for your dual occupancy project.

Dual occupancy homes offer innovative, future-ready solutions for modern living.  With Betacon, you get a team that understands the nuances of subdivision, planning approvals, and efficient design.  We guide you through the process, helping you unlock value, improve yield, and create adaptable homes suited to today’s lifestyle needs.  Whether you're a seasoned developer or a first-time investor, we simplify complex builds.  Our reputation for reliability, straight-talking advice, and strong project delivery means you're in safe hands from start to finish.

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Your dedicated partner for duplex and dual-occupancy builds.

From compact corner blocks to wide frontages, our duplex builds are designed with purpose.  We don’t just build houses, we create well-planned homes that deliver on space, privacy, and return on investment.  As licensed builders and experienced project managers, we bring control, clarity, and consistency to every construction phase.  Our clients choose us for our transparent process and consistent results, and stay with us because we treat every build as if it were our own.

Explore our recently completed projects.

Our duplex projects reflect the care and expertise we bring to every build. From modern façades to flexible internal layouts, we tailor every project to suit the site, the brief, and the people living there. Our portfolio includes a range of project types, from mirrored layouts to corner block solutions and multi-generational setups. Whether you're after strong investment potential or a legacy home, explore what we've delivered across Ryde and the surrounding suburbs.

Custom Family Home Marsfield by Betacon Construction
KARINGAL CRT, MARSFIELD
HOME DESIGN & BUILD PROJECT
New home build on Frederick St, Putney by Betacon Construction
FREDERICK ST, PUTNEY
HOME CONSTRUCTION PROJECT
Duplex build on Grand Ave, West Ryde by Betacon Construction
GRAND AVE, WEST RYDE
DUPLEX DESIGN & BUILD PROJECT
Custom home build on Pate Ave, East Ryde by Betacon Construction
PATE AVE, EAST RYDE
HOME DESIGN & BUILD PROJECT
Townhouse construction on Blaxland Rd, Denistone by Betacon Construction
BLAXLAND RD, DENISTONE
TOWNHOUSE CONSTRUCTION PROJECT
Full brick duplex build on Wallace Street, Concord by Betacon Construction
WALLACE ST, CONCORD
DUPLEX CONSTRUCTION PROJECT
Duplex project on Morvan St, West Ryde by Betacon Construction
MORVAN ST, WEST RYDE
DUPLEX CONSTRUCTION PROJECT
Townhouse project on Gordon St, Eastwood by Betacon Construction
GORDON ST, EASTWOOD
TOWNHOUSE CONSTRUCTION PROJECT
Custom home build on Salter Cres, Denistone by Betacon Construction
SALTER CRS, DENISTONE
HOME DESIGN & BUILD PROJECT
Townhouse construction on Twin Rd, North Ryde by Betacon Construction
TWIN RD, NORTH RYDE
TOWNHOUSE CONSTRUCTION PROJECT
Duplex build on Cleveland St, Ermington by Betacon Construction
CLEVELAND ST, ERMINGTON
DUPLEX DESIGN & BUILD PROJECT
Terrace construction on Adelaide St, West Ryde by Betacon Construction
ADELAIDE ST, WEST RYDE
TERRACE CONSTRUCTION PROJECT
Queen St, Concord West – Duplex Project by Betacon Construction
QUEEN ST, CONCORD WEST
DUPLEX CONSTRUCTION PROJECT
Elliot St, East Ryde – Duplex Project by Betacon Construction
ELLIOT ST, EAST RYDE
DUPLEX CONSTRUCTION PROJECT
Duplex construction on Audine Ave, Marsfield by Betacon Construction
AUDINE AVE, MARSFIELD
DUPLEX CONSTRUCTION PROJECT
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Duplex builds by Betacon Construction, specialising in bespoke duplex homes that combine luxury, space, and practicality

Nothing is more rewarding than coming home to something that feels unmistakably yours, crafted for your lifestyle, space, and future.

CUSTOM DUPLEX HOMES

Specialist services for custom duplex builds.

At Betacon, we manage your duplex build from early planning through to final inspection, with clear oversight of quality, compliance and delivery. We coordinate building design with Yaz Design, our independent building design partner, alongside site assessments, planning support, submissions and approvals, subdivision and project management. We can also build from your existing plans or work alongside your chosen designer or architect. Our team coordinates consultants, councils and trades to keep approvals and construction moving. Whether it is your first development or one of many, we keep the process clear, communication open and delivery aligned with your goals.

CUSTOM HOME BUILD

Homes built around how you live, tailored to your site and brief. We manage custom home builds across Ryde and the surrounding suburbs from early planning through to handover.

DUPLEX BUILD

Two homes on one block, planned to make the most of your site. We manage duplex builds across Ryde and the surrounding suburbs from design coordination through to handover.

TOWNHOUSE BUILD

Multi-dwelling projects that make practical use of your site. We build townhouses across Ryde and the surrounding suburbs, managing the process from planning through to handover.

VILLA BUILD

Single-level homes planned for comfort and low maintenance. We build villas across Ryde and the surrounding suburbs with practical layouts suited to downsizers and investors.

TERRACE BUILD

Space-efficient homes built for narrow blocks and inner suburbs. We plan terrace builds around the constraints of the site, so a tight footprint still lives comfortably.

DESIGN & PLANNING

Our experienced team collaborates with architects, designers, and consultants to bring your vision to life.

SUBMISSIONS & APPROVALS

We simplify the often-complex approval process with expert management of applications and compliance.

SUBDIVISION & STRATA

​We manage the final steps in your development journey to ensure your project is structured for success.

PROJECT MANAGEMENT

Project management that keeps your build on program and on budget, with one point of contact from start to finish.

Start your duplex journey here

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We build more than just homes, we build trust, partnerships, and results. If you're planning a duplex development, let's talk. Whether you're ready to break ground or just exploring options, we offer honest advice and straight answers from day one.

Recognised for service, known for results.

Our reputation isn’t built on volume, it’s built on how we show up, communicate, and deliver.  Clients consistently highlight our professionalism, responsiveness, and hands-on involvement.  That’s why most of our work comes from referrals and repeat business.

CUSTOM HOME BUILDS
CUSTOM HOME BUILDS
As someone with pretty serious OCD tendencies and very high standards, I can honestly say that I am extremely satisfied with both Betacon’s workmanship and my entire building experience over the past year. One of the things I appreciated most was their efficient communication. Geoff was always calm, professional, and easy to talk to. Even when issues were caused by my own decisions or changes, he would patiently work through them with me and always treated me with respect. Zaia was exactly what you would hope for in a site manager. He genuinely cared about the project and consistently went above and beyond to help whenever needed. Ken and all of their subcontractors were highly experienced, delivered quality work, and had a very low error rate throughout the build. More importantly, they always provided practical, honest advice rather than simply telling me what I wanted to hear. As a homeowner, that level of integrity is invaluable. If I had to mention one area that could be improved, it would be the fencing contractor. He was a very nice person, but the quality of the work was not quite at the same standard as the rest of the team. Overall, over the course of a year, Betacon and I worked together as a highly effective team, gradually turning my vision of a dream home into reality. Building a house can be stressful, but they made the journey far smoother than I expected. Thank you to Geoff, Zaia, Ken, and the entire Betacon team for your hard work, professionalism, and dedication. I am truly grateful and would happily recommend Betacon to anyone looking to build their home. Looking back, choosing Betacon was one of the best decisions I made during this entire project.
Aviva L
East Ryde, NSW
DUPLEX BUILDS
DUPLEX BUILDS
Very happy - and relieved! - that we chose Betacon for our family home (duplex). Thank you Geoff and Ken for your patience, accountability and transparency. You hear so many stories of builders who disappointed their clients to various degrees - Betacon were truly the opposite. To give one example, all their trades proactively recommend thoughtful, tailored options, with the tagline "if it was my house..." - the definition of going above and beyond. Happy to to provide a detailed reference, Betacon have my #.
Stan S.
West Ryde, NSW
CUSTOM HOME BUILDS
CUSTOM HOME BUILDS
Ken, thank you for bringing our dream home to life. From the basement to the alfresco, pool, and cabana, every part of the build was handled with care and precision.
Adele G.
Putney, NSW
DUPLEX BUILDS
DUPLEX BUILDS
At this final point in the project, can we sincerely thank you for your professionalism and restrained manner at which you guys have handle us (at times) stressed-out novices. As you know, there were many ups and downs in this high-risk venture, but you have calmly overcome each obstacle and helped allay our concerns. Thanks so much, we couldn't have done this without you guys.
Colin & Susan C.
Concord West, NSW
TOWNHOUSE DEVELOPMENT
TOWNHOUSE DEVELOPMENT
I'm a client with Betacon for the last 8 years. During this time, Ken and the team have helped me with two projects, one is 3 townhouses and the other one is a duplex. They are professional and pleasant to work with and highly organised. My questions have always been dealt with in a timely manner. They also provide valuable feedback and suggestions during the project. This makes ease for me without much of construction knowledge. I highly recommend Betacon to all my family and friends.
Jessica H.
Ryde, NSW
DUPLEX BUILDS
DUPLEX BUILDS
Betacon is a champion team - Ken, Geoff and Mary are great people to work with. They are very professional and experienced in managing home building projects - clear and honest communication, thorough and proactive organisational skills with great attention to detail, put customers at the centre of their business. They went extra mile to help us in many ways. They truly earned a great deal of trust and confidence from us which is super important to the home owners when facing the stress and pressure during the home building project. The construction process was very smooth and easy from start to finish and built in a timely period.
Cynthia M.
West Ryde, NSW
VILLA DEVELOPMENT
VILLA DEVELOPMENT
We are so lucky to know Ken! Letting Ken and the Betacon team do our villa project is perhaps the most right decision we had made. The team carried out a very well organised build, within 10 months from demolition to move in, this saved us a great deal of time and costs. Quality materials and workmanship were applied with reasonable costs. Thank you Ken for being so patient in explaining to us our enquiries through the whole process. Betacon site team did their jobs beautifully, from inside to outside, ensuring top quality was delivered. For us these villas are master pieces, we shall always cherish them. Throughout the whole project, the office team provided us with great support throughout every step including the CC application process dealing with various agencies. This made the development process a pleasant journey. I would highly recommend Ken and Betacon team to people I know. Big thank you to Ken and all of Betacon team!
Nelie J.
Denistone, NSW
CUSTOM HOME BUILDS
CUSTOM HOME BUILDS
I've been a Plumber for Betacon for over 6 years now and I'm extremely pleased with the way they conduct their business. The staff are a pleasure to deal with. The systems that are inplace make working on their sites a breeze. They have such a high standard of quality in building and they go above and beyond to make sure everything is done to perfection. I wish all builders can adopt such qualities.
Rodney B.
Sydney, NSW
VILLA DEVELOPMENT
VILLA DEVELOPMENT
I recently moved into my Betacon unit. It’s an excellent solid build with quality throughout. The finishes are quality and the workmanship is excellent. This is by far the best built home I have ever lived in. Their aftercare also has been excellent. Every tiny issue I’ve had was sorted out immediately by Geoff. I could not recommend this builder highly enough.
Tasha M.
North Ryde, NSW
DUPLEX BUILDS
DUPLEX BUILDS
Betacon was a pleasure to deal with from inception to completion. The site team excelled in great quality finishes throughout the project. The bonus with Betacon is the professionalism with the team in the office who helped from initial certifying and approval stages all the way through to final certification. They made the whole experience easy. I always felt assured they would help with every situation I found myself in. Their experience with the whole team is a testament to the construction industry.
Fred S.
West Ryde, NSW
CUSTOM HOME BUILDS
CUSTOM HOME BUILDS
The team at Betacon are an extremely professional and timely company. They are completely involved in all their projects ensuring quality is maintained through all aspects of the build. Working with them is smooth and efficient and above all their communication and customer service is exceptional.
Bill A.
Sydney, NSW
VILLA DEVELOPMENT
VILLA DEVELOPMENT
Thank you Ken & team Betacon for delivering a fantastic project. You and your team have shown professionalism throughout the entire project and consistently delivered the expected outcomes plus met the deadlines. You have been so helpful in answering all my questions and have gone out of your way to help me with the development process, requested variations plus advice in regards to listing the house on the market etc. I have been informed clearly at each stage and you have always followed up with any outstanding issues. Your workmanship shows great details which has been supported by an independent inspector. I’m also impressed by your clear expectations with quotations, allowance and variation records. To sum up, you and your team have exceeded my expectation for my very first development project and I would highly recommend you to anyone I know. I would love to work with you again in the future. Great Work! Well Done!
Jessica M.
Denistone, NSW
TOWNHOUSE DEVELOPMENT
TOWNHOUSE DEVELOPMENT
I engaged Betacon to build a three-townhouse development on a challenging sloped site in Eastwood. From the outset, Ken and the team were solutions-focused, highly organised, and always professional. The slope presented real design and construction challenges, but nothing was ever too hard. The build was well-managed, with clear communication throughout, and the final product speaks for itself. I’m very pleased with the outcome and wouldn’t hesitate to work with Betacon again.
Colin O.
Eastwood, NSW
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