Hunters Hill Duplex Builder — Western Sydney Dual Occupancy
Buildana is a local Hunters Hill Council duplex builder. We know which Hunters Hill streets support Torrens title subdivision, which suit strata, and what Hunters Hill Council will approve. Free site feasibility.
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A duplex in Hunters Hill costs $750,000–$1,500,000+ for dual occupancy construction. Attached duplex from $750K, detached from $1M. Buildana manages feasibility, Hunters Hill Council approvals, construction and subdivision under one fixed-price contract.
Duplex Builder in Hunters Hill
Hunters Hill sets Sydney's toughest duplex bar on purpose. A 1,000m² minimum lot size, the highest of any LGA, written into the DCP to defend a suburb where Heritage Conservation Areas cover virtually everything. Blocks run 500 to 1,200m², so a thin band clears the size test, and then meets the heritage test, which sandstone Victorian and Federation homes on protected streets almost never pass. Two hurdles, and most sites fall at whichever comes first.
We say this to owners plainly, because the alternative is watching someone spend on a DA that was dead on arrival. The value pathway at $3.5M to $6.5M medians is restoration and extension done at heritage standard, work this suburb rewards like few others. If you genuinely hold 1,000m² plus outside the tightest mapping, that is a rare asset worth assessing properly. Either way, start with the address and we will give you the truth of it.
Buildana manages the full duplex development process in Hunters Hill — 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 Hunters Hill from $750K
- Hunters Hill Council DA and CDC approvals managed
- R2 and R3 zones — established dual occ. provisions
- Minimum lot size 1,000m² under Hunters Hill DCP 2013 (highest in Sydney — heritage protection) in Hunters Hill
- Hawkesbury Sandstone bedrock — engineered dual-slab design included
- Strata or Torrens title subdivision available
- 6-year structural warranty per dwelling
- Free feasibility check — near Wollstonecraft (5 km, ferry from Valentia Street wharf) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Two tests, and most blocks fail one
Hunters Hill is the hardest duplex address in Sydney by design. First the size test: the DCP sets a 1,000m² minimum, higher than any other LGA, and with blocks running 500 to 1,200m² only a thin band even qualifies. Then the heritage test: Conservation Areas cover almost the whole suburb, and a protected sandstone Victorian or Federation home is not coming down for a dual occupancy.
Most sites fail one or the other, and often both. That is not us being negative. It is the DCP working exactly as the suburb intended.
Where the value actually is
In a suburb this heritage-rich, the money is in restoration and extension done to a genuine heritage standard, not in forcing a duplex onto a protected block. Hunters Hill rewards that work more than almost anywhere in Sydney, and it is what we spend most of our time here doing.
If you do hold a rare 1,000m²-plus block outside the tightest heritage mapping, that is worth assessing properly, because it is unusual. Send us the address either way and we will give you the honest read.
Duplex builder in Hunters Hill — key facts
- Suburb
- Hunters Hill, NSW 2110
- Council / LGA
- Hunters Hill Council (Hunters Hill Council)
- Primary zoning
- R2 Low Density
- Typical lot size
- 500–1,200m² (premium Federation/Victorian/inter-war heritage predominant); 800–2,000m²+ harbour-front (Woolwich/Hunters Hill peninsula tip)
- Soil class
- Hawkesbury Sandstone bedrock
- Median house price
- $3.5M–$6.5M typical heritage; $5.0M–$15M+ harbour-front Woolwich/Hunters Hill peninsula
- Home era
- 1880s–1940s Federation/Victorian/inter-war heritage predominant
- Typical price range
- $750,000 – $1,500,000+
- Typical timeline
- 14–22 months design to handover
- Approval pathway
- CDC for compliant dual-occupancy, else DA
Want a real number for YOUR block — not a generic estimate?
Free site assessment, fixed-price contract, line-itemised quote within 48 hours. No high-pressure sales — just a real builder talking real numbers.
How It Works
From First Call to Final Key
A duplex is really a feasibility problem wearing a construction outfit. Before anything else, we verify your Hunters Hill block against Hunters Hill Council's LEP — lot size, frontage, FSR, landscape area. If it doesn't stack up, you find out in a week, not after 3 months of design.
⏱Design runs dual from day one. Two dwellings, one coherent streetscape, party-wall acoustics and fire rating built into the structure rather than bolted on. The plan accommodates R2 Low Density zoning without looking like two mismatched houses sharing a fence.
⏱Approval and construction get sequenced together. Slab pours are choreographed so the trades show up once, frame up both sides, and keep rolling. Two separate meters, two separate services, but one crew, one programme.
⏱Handover is dual. Both dwellings walked at the same time, both OCs in the same issue, both titles subdivided before settlement. You leave the final inspection with the option to live in one and rent the other, or to sell both.
⏱Quality Promise
Buildana delivers Hunters Hill duplexes as a single project — one contractor accountable from site check to subdivision.
Cost Guide
| Item | Estimated Range |
|---|---|
| Standard attached duplex — base spec | $750,000 – $950,000 |
| Upgraded finishes (stone, ducted A/C, upgraded kitchens) | $950,000 – $1,200,000 |
| Premium duplex (architect design, hydronic, landscape package) | $1,200,000 – $1,550,000 |
| Luxury detached dual occupancy | $1,550,000+ |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
Estimate Your Build Cost
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Still got questions? Talk to Oliver directly.
30-min free call — bring your block, your brief, your budget. We'll map out feasibility, timeline, and realistic cost. No sales pitch.
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
We Build Across Sydney
Headquartered in Western Sydney's Fairfield. Active across all 28 metropolitan Sydney LGAs — from Penrith to the Eastern Suburbs, the Hills to the Sutherland Shire.
Last updated: 1 July 2025
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Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Hunters Hill 2110. Hunters Hill Council regulations and local controls are covered on each page.