Duplex Builders & Custom Home Builder Sydney

Custom Homes and Duplex Builders Across Greater Sydney

DKL Projects builds custom homes, duplexes, and knockdown rebuilds across Greater Sydney, from the Inner West to the Northern Beaches. Every build comes with a fixed-price quote, a dedicated project manager from DA lodgement to final handover, and a team that actually picks up the phone.

Modern single-story house with garage
Modern single-story house with garage

A Sydney Home Builder With Pricing You Can Hold Us To

Our quoting process draws on long-standing relationships with Sydney suppliers and licensed sub-trades, so the numbers we give you reflect real current costs, not estimates that blow out mid-build. The price you agree on is the price you pay.

  • Fixed-price contracts from design consultation to handover
  • Weekly photo progress updates sent directly to you
  • NSW Fair Trading licensed and fully insured builder
  • Comprehensive workmanship warranty on all structural work

What We Build

Custom Home and Duplex Building Services Across Sydney

From design consultation through to final handover, DKL Projects handles every stage of your new home or duplex build, so you don't have to juggle multiple contractors.

Residential Project Management

End-to-end management of home builds, renovations, extensions, and duplex projects across Greater Sydney, one manager, one fixed price.

Commercial Project Management

Office fitouts, retail fitouts, and commercial builds managed by an experienced Sydney construction manager, on time, on budget, every time.

Construction Cost Management

Fixed-price contracts, supplier management, and proactive cost control. So your build budget stays exactly where it should be.

Trade & Supplier Coordination

Your dedicated building project manager coordinates every licensed trade and supplier schedule, no chasing, no confusion, no delays.

DA & Approval Management

We manage council DA applications, CDC lodgements, and engineering sign-offs on your behalf, keeping your project moving without the paperwork headache.

Weekly Reporting & Updates

Weekly photo updates and progress reports sent directly to you. So you always know what's happening on site, even when you're not there.

Frequently Asked Questions

Duplex construction costs in Sydney typically range from $600,000-$1,200,000+ depending on size, design, finishes, and location. DKL Projects provides a detailed fixed-price quote before any work begins, contact us for a free, no-obligation quote tailored to your block and brief.

A custom home typically takes 12-18 months from DA approval to handover. A duplex build generally takes 14-20 months depending on design complexity and council requirements. DKL Projects provides a clear project timeline at the quoting stage so you can plan accordingly.

A knockdown rebuild involves demolishing your existing home and building a brand new custom home on the same block. It's often worth it in Sydney when your land value significantly exceeds your home's value, you keep your location without paying agent fees or stamp duty. DKL Projects manages the full process from demolition through to handover.

Yes. DKL Projects can manage the Development Application (DA) process on your behalf, coordinating with architects, engineers, and your local council to get your project approved efficiently. We'll advise on what approvals are needed at your initial consultation.

Yes. DKL Projects holds a current NSW Fair Trading builder's licence and is fully insured on every custom home and duplex project. We're happy to provide our licence details before any work commences.

Ready to Build Your Custom Home or Duplex in Sydney

Talk directly with the DKL Projects team about your custom home or duplex. We'll give you clear, upfront pricing and honest advice about your block, no obligation, no runaround.