Duplex Builder Dundas Valley — CDC-Ready Designs, 15-Day Approval
Dundas Valley 2117 duplex specialists. Compliant design means CDC approval in ~15 business days, construction complete in 10–14 months. Feasibility within 48 hours.
HIA Member
MBA NSW0476 300 300Dundas Valley Dual Occ. — Feasibility to Handover
A duplex in Dundas Valley is a feasible dual-occupancy on the larger blocks that clear the Parramatta 600m2 minimum, with R3 pockets adding options. This post-war family suburb runs 1950s to 1970s brick on 550 to 750m2 R2 lots, so the larger blocks clear 600, and at a $1.4M to $1.9M market a Torrens-title duplex on a qualifying lot is a sound play in a well-established duplex market. R3 along Kissing Point Road means a well-placed lot may suit medium density instead.
The ground is Wianamatta Shale, so footings get stable bearing and a slab off geotech is routine on both dwellings. On a qualifying R2 lot a side-by-side works cleanly, and there are no broad heritage overlays. Where the existing home carries fibro a licensed asbestos strip-out comes first.
What I would check first on your Dundas Valley block: whether it clears the 600m2 minimum, the R3 potential along Kissing Point Road, and the frontage. Those set the dual-occ.
We build these fixed-price, licence HBL 487805C. Send me the block and I will tell you what dual-occupancy it carries.
Buildana manages the full duplex development process in Dundas Valley — 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 Dundas Valley from $750K
- City of Parramatta Council DA and CDC approvals managed
- R2 and R3 zones — established dual occ. provisions
- Minimum lot size 600m² (R2) under Parramatta DCP 2023 in Dundas Valley
- M — engineered dual-slab design included
- Strata or Torrens title subdivision available
- 6-year structural warranty per dwelling
- Free feasibility check — near Dundas (Parramatta Light Rail, 1.2 km) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Larger blocks clear 600m2
This post-war family suburb runs 1950s to 1970s brick on 550 to 750m2 R2 lots, so the larger blocks clear the Parramatta 600m2 minimum.
At a $1.4M to $1.9M market a Torrens-title duplex on a qualifying lot is a sound play in a well-established duplex market.
Stable ground, R3 pockets
The Wianamatta Shale gives footings stable bearing, so a slab off geotech is routine on both dwellings.
R3 along Kissing Point Road means a well-placed lot may suit medium density, with older fibro stripped under licence.
Duplex builder in Dundas Valley — key facts
- Suburb
- Dundas Valley, NSW 2117
- Council / LGA
- City of Parramatta Council (City of Parramatta)
- Primary zoning
- R2 Low
- Typical lot size
- 550–750m²
- Soil class
- M
- Median house price
- $1.4M–$1.9M
- Home era
- 1950s–1970s
- 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.
Quality Promise
Buildana delivers Dundas Valley duplexes as a single project — one contractor accountable from site check to subdivision.
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 Dundas Valley block against City of Parramatta 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 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.
⏱Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
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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Liverpool, NSW
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Last updated: 1 July 2025
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