Licensed Granny Flat Specialist Dundas
NSW licensed builder delivering SEPP-compliant granny flats across Dundas 2117. BASIX, engineered slab (Class M), full certifier sign-off and 6-year structural warranty.
HIA Member
MBA NSW0476 300 300Quick Answer
A granny flat in Dundas costs $150,000–$300,000+ depending on size and finishes. 1-bed from $150K, 2-bed from $200K. CDC fast-track approval in 10–15 business days. Buildana manages design, City of Parramatta Council approval and fixed-price construction.
Building Granny Flats in Dundas
A granny flat in Dundas depends on the block. This established hill-fall suburb above the Parramatta River is Federation cottages, inter-war heritage and post-war brick on 500 to 800m² R2 lots, with the Parramatta Light Rail in the suburb. Most clear the 450m² Housing SEPP threshold for a 60m² secondary dwelling, so a studio works well — but heritage and the river-fall edge need checking first.
Two things shape the job. Heritage Conservation Areas in pockets can push a secondary dwelling to a full DA rather than the fast CDC path, and the river-fall edge brings sandstone outcrops that shape the footing and siting. Away from those, the blocks are straightforward and the light rail makes a studio lettable.
The soil is Wianamatta Shale grading M with sandstone outcrops on the river-fall edge, so a stiffened-raft slab is engineered off a real geotech to suit. The older stock can carry fibro, so a licensed asbestos strip-out leads where any demolition is involved.
We build fixed-price, licence HBL 487805C. Heritage, soil and survey scoped first.
Buildana manages the full granny flat process in Dundas — from site assessment and CDC fast-track approval through to fixed-price construction and handover. We build studio, 1-bedroom, and 2-bedroom designs up to the NSW maximum of 60m².
Read our Complete Granny Flat Guide or explore granny flat builds across Sydney.
- Granny flats in Dundas from $150K
- CDC fast-track approval (10–15 business days)
- 500–800m² blocks — most qualify for 60m² granny flat
- Dundas zoned R2 Low / R3 Medium (station precincts) / R4 High (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre)
- Fixed-price contract — design to handover
- M — engineered slab included
- Rental yield $520–$750/week (Westmead Health Precinct demand drives premium) in Dundas
- Free site assessment — near Dundas (Parramatta Light Rail, in suburb) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Depends on the block
Dundas is cottages, heritage and post-war brick on 500 to 800m² R2 lots — most clear the 450m² Housing SEPP threshold, so a 60m² secondary dwelling works well.
Heritage and the river-fall edge need checking first, and the light rail in the suburb makes a studio lettable.
Heritage and river fall
Heritage pockets can push a secondary dwelling to a full DA, and the river-fall edge brings sandstone that shapes the footing and siting.
The Wianamatta Shale with sandstone outcrops means a stiffened-raft slab engineered off a geotech, and older stock can carry fibro.
Granny flat builder in Dundas — key facts
- Suburb
- Dundas, NSW 2117
- Council / LGA
- City of Parramatta Council (City of Parramatta)
- Primary zoning
- R2 Low
- Typical lot size
- 500–800m²
- Soil class
- M
- Median house price
- $1.5M–$2.0M
- Home era
- 1900s–1960s
- Typical price range
- $150,000 – $300,000+
- Typical timeline
- 4–6 months design to handover
- Approval pathway
- CDC via NSW Affordable Rental Housing SEPP (10–15 days)
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
| Item | Estimated Range |
|---|---|
| Attached granny flat | $160,000 – $220,000 |
| Detached granny flat | $190,000 – $260,000 |
| Above-garage granny flat | $230,000 – $300,000 |
| Premium detached (upgraded finishes) | $260,000 – $320,000 |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
How It Works
From First Call to Final Key
We inspect your Dundas block — lot size (typical 500–800m²), setbacks, services, access, Class M soil check and City of Parramatta Council requirements. You'll know if a granny flat is feasible before spending a dollar.
⏱Design phase covers layout, orientation on your Dundas block, bathroom and kitchen placement, natural light, privacy screening, and entry path. You approve the design before we move to certification.
⏱Approval pack lodged with our preferred private certifier (Buildana works with several across the City of Parramatta area). They've reviewed our designs before, know our documentation standard, and turn approvals around at the fast end of the legislated window.
⏱Construction runs 10–16 weeks from slab pour. Class M engineered slab, timber or steel frame, Colorbond roof, full internal fit-out, and separate service connections. Weekly updates from your project manager.
⏱Handover documentation includes everything you need to list with a property manager: OC, BASIX, structural cert, appliance manuals, separate metering details. Photos for the listing taken before furniture goes in. Most Dundas GFs lease within 2 weeks.
⏱Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
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
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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