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Dual Occupancy Specialists Wollstonecraft — Licensed Duplex Builder

NSW licensed duplex builder in Wollstonecraft 2065. Torrens or strata subdivision, North Sydney Council planning expertise, full contract management for investor-grade builds.

Based in Fairfield, Western Sydney5.0 Google RatingLicensed & Insured (LIC 487805C)HIA Member — Buildana Custom Home Builders SydneyHIA MemberMaster Builders Association NSW Member — BuildanaMBA NSW0476 300 300
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Quick Answer

A duplex in Wollstonecraft costs $750,000–$1,500,000+ for dual occupancy construction. Attached duplex from $750K, detached from $1M. Buildana manages feasibility, North Sydney Council approvals, construction and subdivision under one fixed-price contract.

Duplex Builder in Wollstonecraft

A duplex in Wollstonecraft sits in medium-density territory, which changes the usual answer. The suburb runs R3, R4 and B4 zoning between Crows Nest and Waverton, with a comparatively low 500m2 North Sydney dual-occupancy minimum, so more blocks reach it than in the surrounding premium suburbs. On a $2.8M to $4.5M market, a duplex can work, but on many blocks the zoning supports a townhouse or small unit scheme that may be the higher use.

The stock is Federation, inter-war and Californian Bungalow, and Heritage Conservation Areas cover several streets including the Shirley Road precinct, so I check that first. The ground is sandstone-based, moderately reactive, with Class H pockets on the Gore Cove fall, so footings and the slab are engineered to suit. Older stock carries asbestos.

What I would check first on your Wollstonecraft block: the zoning and heritage status, then the area against 500m2, because the medium-density options can beat a straight duplex.

We build these fixed-price, licence HBL 487805C. Send me the block and I will tell you honestly what makes the most of it.

Buildana manages the full duplex development process in Wollstonecraft — 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 Wollstonecraft from $750K
  • North Sydney Council DA and CDC approvals managed
  • R2 and R3 zones — established dual occ. provisions
  • Minimum lot size 500m² in Wollstonecraft
  • M — engineered dual-slab design included
  • Strata or Torrens title subdivision available
  • 6-year structural warranty per dwelling
  • Free feasibility check — near Wollstonecraft station
New attached duplex in Wollstonecraft, North Sydney, NSW
OA

Reviewed by Oliver Alameri

Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010

Lower minimum, medium-density zoning

Wollstonecraft carries R3, R4 and B4 with a 500m2 North Sydney duplex minimum, so more blocks reach it.

On many blocks a townhouse or small unit scheme may be the higher use, checked alongside the duplex.

Heritage and harbour fall

Heritage Conservation Areas cover several streets including Shirley Road, checked first.

Sandstone-based ground with Class H pockets on the Gore Cove fall means footings and slab engineered to suit.

Duplex builder in Wollstonecraft — key facts

Suburb
Wollstonecraft, NSW 2065
Council / LGA
North Sydney Council (North Sydney)
Primary zoning
R3 Medium
Typical lot size
400–700m²
Soil class
M
Median house price
$2.8M–$4.5M
Home era
1900s–1960s
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.

Cost Guide

ItemEstimated Range
Attached duplex (2 × 180–220m²)$940,000 – $1,250,000
Attached duplex (2 × 220–260m²)$1,250,000 – $1,630,000
Detached duplex (2 × 220–280m²)$1,500,000 – $1,940,000
Strata/Torrens subdivision$19,000 – $38,000
Demolition (if KDR duplex)$23,000 – $50,000
Council contributions$13,000 – $75,000+

Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.

Dual-slab engineered for Class M soil with independent movement joints
500m² minimum lot analysis under North Sydney Council LEP/DCP
R3 Medium zoning compliance — dwelling density and site coverage
Acoustic party-wall assembly to AS 2021 and NCC Volume 2 Part 2.7
Fire-rated separation (60/60/60 minimum) between dwellings
Separate Endeavour Energy and Sydney Water service connections
Stormwater OSD calculated for each dwelling footprint and combined site
BASIX 2025 per dwelling — each unit individually certified
Strata title plan prepared concurrently with construction documentation
Section 88B restrictions and easements drafted and registered

How It Works

From First Call to Final Key

Everything that has to be right before we touch the ground. We assess your Wollstonecraft block — lot size (typical 400–700m²), width, R3 Medium zoning, setbacks, FSR, landscaped area requirements under North Sydney Council's LEP and DCP. Minimum lot for duplex: 500m². You'll know viability before spending on design. Design phase covers unit layout, access, parking, private open space, and waste management for dual occupancy on your Wollstonecraft site. You approve final plans before we move to lodgement.

The Wollstonecraft construction phase. Fixed price, programmed, supervised. Duplex approvals get scrutinised harder than single dwellings — neighbour notification, overshadowing, privacy, traffic, waste. Our SEE addresses each on the front foot rather than reactively. Cleaner submission, fewer conditions, faster CC. Fixed-price construction of both dwellings from slab to keys. Class M engineered footings, frame, lock-up, internal fit-out, and external works. Weekly progress reports.

The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Subdivision registration starts in parallel with final fitout so titles issue close to handover, not 6 months after. Buildana coordinates the surveyor and North Sydney Council clearance — important if you're planning to sell one side immediately to fund the next move.

Our Team

OA

Oliver Alameri

Founder / Director / Builder · MPropDev · PhD Student

AA

Ahmad Alameri

Accounts Manager

CW

Claire Wendell

Project Manager

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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

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Wollstonecraft Dual Occupancy — Free Feasibility

Free duplex feasibility assessment for Wollstonecraft 2065. We'll check your block, estimate yield, and provide a fixed-price budget.

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