Duplex Builder Greenacre — Dual Occupancy Specialists
Fixed-price duplex construction in Greenacre 2190. Feasibility, design, Canterbury-Bankstown Council approvals and building — all under one contract. Free feasibility assessment.
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MBA NSW0476 300 300Quick Answer
A duplex in Greenacre costs $750,000–$1,500,000+ for dual occupancy construction. Attached duplex from $750K, detached from $1M. Buildana manages feasibility, Canterbury-Bankstown Council approvals, construction and subdivision under one fixed-price contract.
Duplex Builder in Greenacre
Greenacre offers strong duplex potential with established R2-zoned blocks and affordable land values. Many blocks from the 1960s–1970s exceed the minimum lot size for dual occupancy. Canterbury-Bankstown Council has specific DCP requirements for lot width and landscaped area — Buildana navigates these for every Greenacre duplex project.
Buildana manages the full duplex development process in Greenacre — from feasibility assessment and architectural design through to DA or CDC approval, and fixed-price construction to dual handover. One builder, one contract, two homes.
Read our Complete Duplex Building Guide or explore duplex developments across Sydney.
- Dual occupancy in Greenacre from $750K
- Canterbury-Bankstown Council DA and CDC approvals managed
- R2 zoning — eligible under July 2024 reform
- Minimum lot size 600m² in Greenacre
- Class M soil — engineered dual-slab design included
- Strata or Torrens title subdivision available
- 6-year structural warranty per dwelling
- Free feasibility check — near Bankstown (2 km) station
Have a question about your project?
Talk to our team — free site assessment and fixed-price quote.
How It Works
From First Call to Final Key
We assess your Greenacre block — lot size (typical 550–800m²), width, R2 Low Density zoning, setbacks, FSR, landscaped area requirements under Canterbury-Bankstown Council's LEP and DCP. Minimum lot for duplex: 600m². You'll know viability before spending on design.
⏱Dual occupancy floor plans designed for your Greenacre block — attached or detached configuration, vehicle access, private open space, and full Canterbury-Bankstown Council compliance.
⏱DA through Canterbury-Bankstown Council (40–90 days) or CDC (10–15 business days). Greenacre is zoned R2 Low Density. Construction Certificate obtained before works commence.
⏱Both dwellings built simultaneously — engineered slabs (Class M soil), frame, lock-up, fit-out. Milestone updates from your project manager.
⏱Strata or Torrens title subdivision completed. Separate OCs, individual metering, 6-year structural warranty per dwelling. Strong rental demand near Bankstown (2 km) station.
⏱Quality Promise
Every Buildana duplex in Greenacre is built under a fixed-price contract — feasibility through to dual handover and subdivision.
Our Team
Oliver Alameri
Founder / Director / Builder
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
Estimate Your Build Cost
Use our free calculator to get an instant cost estimate for your project
Cost Guide
| Item | Estimated Range |
|---|---|
| Attached duplex (entry) | $750,000 – $1,000,000 |
| Detached duplex (mid) | $1,000,000 – $1,300,000 |
| Premium duplex | $1,300,000+ |
| Demolition (if KDR duplex) | $18,000 – $40,000 |
| Strata/Torrens subdivision | $15,000 – $30,000 |
| Council contributions | $10,000 – $60,000+ |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
Ready to take the next step?
Free consultation — no obligation, no pressure.
Frequently Asked Questions
“Buildana built our granny flat in just 12 weeks. Fast approvals, great communication, and a beautiful final product. Highly recommend.”
Fatima Al-Rashid
Liverpool, NSW
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Buildana builds across greater Sydney — with deep roots in Western Sydney's Fairfield, Liverpool, Cumberland, Canterbury-Bankstown, and Blacktown LGAs.
Last updated: 1 July 2025
Build a Duplex in Greenacre
Free duplex feasibility assessment for Greenacre 2190. We'll check your block, estimate yield, and provide a fixed-price budget.
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