Luxury Home Builders in Sydney

Arncliffe Luxury Duplexes

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Arncliffe Duplexes with Basement Parking and Swimming Pool

This architecturally designed duplex development in Arncliffe blends modern family living with innovative engineering. Each home offers open-plan layouts, high ceilings, custom joinery, and a warm, natural material palette — delivering both style and practicality.

A key highlight is the fully excavated basement level, a complex build element that required precision planning, heavy excavation in rocky ground, and careful management of narrow site access. The result is a rare feature in duplex living: private basement garages with integrated car turntables, giving residents both convenience and space efficiency.

Above ground, each residence features a private swimming pool and a landscaped outdoor living area — creating an inviting space for family gatherings and entertaining. By moving vehicle storage underground, the design allows for larger living spaces and generous outdoor zones, enhancing both lifestyle appeal and long-term value.

Standout Features

  • Architecturally designed duplex tailored for family living
  • Fully excavated basement level engineered for stability in rocky ground
    Private basement garages for each residence
  • Car turntables for effortless manoeuvring in tight access conditions
  • Open-plan living areas with high ceilings and natural light
  • Custom joinery with warm tones and natural textures
  • Generous storage solutions throughout
  • Private swimming pool for each residence
  • Landscaped outdoor living areas for entertaining and family use
  • Seamless indoor–outdoor connection to pool and garden
  • Urban site optimisation for maximum liveable space
  • Premium finishes for a refined, low-maintenance result
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Featured Project

Duplex Builders in Arncliffe, Sydney

Phase Projects delivered a stylish duplex in Arncliffe, blending modern design, smart functionality, premium craftsmanship, and attention to detail.

Clear Communication

We keep you informed every step of the way, ensuring transparency and confidence from start to finish — and even beyond handover.

Thoughtful Craftsmanship

Every detail, material, and finish is chosen to bring your dream home to life, balancing form, function, and feeling.

Built Around You

We don’t just follow a plan — we shape the entire journey around your vision, your lifestyle, and what home truly means to you.

Designed for Real Life

Luxury Duplex Living Over Three Levels

We delivered an amazing 3 level duplex complete with swimming pool and basement parking

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Arncliffe Duplex Builder Custom Built
Arncliffe Duplex Custom Builder
Arncliffe Duplex Custom Builder
Arncliffe Duplex Custom Builder
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Arncliffe Duplex Custom Builder
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Arncliffe Duplex Custom Builder

Ready For A Quote & Consultation?

Begin your project with a complimentary quote and consultation that gives you clarity, confidence, and expert guidance. Whether you build with us or not, you’ll get a clear plan for your project. We will:

  • Answer your questions, including the ones you may not know to ask, so you can avoid costly mistakes.
  • Help refine your vision for your custom home or renovation and outline the best options to bring it to life.
  • Provide a realistic overview of building and renovation costs, showing where to prioritise investment for maximum value.
  • Explain how Phase Projects delivers custom homes and high-end renovations on time, on budget, and to the highest standard.

Your consult is with Mohamed, owner of Phase Projects, who brings over 20 years of experience delivering architecturally designed homes and renovations across Sydney’s Inner West, Eastern Suburbs and Southern Suburbs.

Get A Complimentary Quote

Receive a tailored, no-obligation quote from Mohamed within 24 hours. Prefer email? Contact us at info@phaseprojects.com.au.

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What Sets Us Apart

It’s not fast-tracked. It’s not left to chance. It’s designed to remove doubt, elevate quality, and deliver an experience as considered as the home itself.

No Surprises, No Stress

Far too often, homeowners are surprised and disappointed when their finished home is missing the features they discussed with their builder. With Phase Projects, we ensure that every detail is captured and included.

Deal Directly with the Us

At Phase Projects, you deal directly with Mohamed, the business owner. You’ll have his personal mobile number, receive immediate responses to your questions, and always be kept informed about your Project.

Highly Qualified tradespeople

Mohamed and his team bring hands-on expertise to every project. This hands-on background means that every aspect of your build is overseen by someone who understands the craft and pays attention to every detail.

Experience You Can Trust

With over 20 years of experience, Phase Projects has earned a reputation for reliability and quality. Our proven process, combined with a team of skilled tradespeople, ensures that you receive a first-class custom home.

Get Answers You Need—100% Free

Navigating the world of custom homes can be overwhelming. The quickest way to get answers and clarity on your custom home journey is to contact us.

No-Obligation Session

This session will be with Mohamed, the owner of Phase Projects, who will share over 20 years of experience in building custom homes across Sydney.

Client Testimonials

What Our Clients Have To Say

Our Projects

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Custom Home Build FAQ’s

Got another question? Please reach out to us!
After 20 years of building homes in Sydney, we have built all sorts of homes and dealt with all planning, design and approval scenarios!

A custom home is tailored from the ground up — designed specifically for your land, lifestyle, and architectural vision. Unlike project homes, which are built from pre-set templates, a custom home reflects how you want to live, with every detail considered from the very start.

We understand that ideas evolve. If changes are needed during construction, we’ll talk you through the options and work with you to make them happen — wherever the timing and structure allow.

From initial concepts to handing over the keys, most custom homes take around 12 to 14 months. Timelines vary based on council approvals and the complexity of the design — especially for sloping sites or homes with basements. But we’ll give you a clear timeline at each stage.

Every build includes bespoke design, full site preparation, premium finishes, and end-to-end project management. From the first sketch to the final clean, we handle everything, so you can focus on the result.

Yes, we regularly collaborate with clients who already have architectural drawings. Whether you’re working with your own team or just starting out, we can step in at any stage to manage the build with precision.

It begins with a conversation. We’ll discuss your vision, budget, and block — whether you’ve secured land or not and provide guidance on design, timing, and process. No hard sell. Just clear advice.

We build right across Sydney, but much of our work is concentrated in the St Georges region, Inner West, Eastern Suburbs and down towards the Sutherland Shire. See our projects to see the builds in different suburbs

Yes, Phase Projects is fully licensed and insured. We’re also HIA finalists — a reflection of the quality, consistency, and client satisfaction we bring to every build.

We don’t take on volume — we take on vision. Every Phase Projects home is designed and built with deep architectural consideration, hands-on project management, and full transparency. From challenging land to complex designs, we thrive on turning ambitious ideas into timeless homes. It’s why so many of our clients come from referrals, and why we’ve been recognised as HIA finalists.

Absolutely, it’s one of our specialties. Many of Sydney’s most desirable suburbs have tricky sites, from steep gradients to tight access. We’re known for turning challenging land into extraordinary homes, including basements and multi-level designs.