
Licensed Granny Flat Specialist Hassall Grove
NSW licensed builder delivering SEPP-compliant granny flats across Hassall Grove 2761. BASIX, engineered slab (Class M–H), full certifier sign-off and 6-year structural warranty.
Quick Answer
A granny flat in Hassall Grove 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, Blacktown City Council approval and fixed-price construction.
Granny Flat Builder in Hassall Grove
A granny flat builder in Hassall Grove works with quiet 1990s stock — the homes sit on standard 550 to 700m² blocks that clear the 450m² Housing SEPP threshold comfortably for a 60m² secondary dwelling. It's a family-oriented setting with good community amenities, giving a rear dwelling steady tenant demand.
The ground is moderately to highly reactive, so the slab is a stiffened raft engineered off a real geotech. The 1990s stock means fibro is rarely a factor, which keeps the build clean where a structure needs removing from the build zone.
Mount Druitt is a few kilometres out with access to main roads, and the generous blocks leave room for separate access and private open space. A quiet, low-fuss suburb to build in.
We build fixed-price, licence HBL 487805C. Get our granny flat feasibility before you commit.
Buildana manages the full granny flat process in Hassall Grove — 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 Hassall Grove from $150K
- CDC fast-track approval (10–15 business days)
- 550–700m² blocks — most qualify for 60m² granny flat
- Hassall Grove zoned R2 Low Density
- Fixed-price contract — design to handover
- Class M–H soil — engineered slab included
- Rental yield $370–$490/week in Hassall Grove
- Free site assessment — near Mount Druitt (3 km) station

Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Quiet family blocks
Hassall Grove's 550 to 700m² lots clear the 450m² Housing SEPP threshold comfortably, so a 60m² secondary dwelling is achievable on most blocks via the CDC path.
The family-oriented setting and community amenities give a rear dwelling steady tenant demand, with room for separate access.
Reactive clay, clean stock
The moderately to highly reactive ground means the slab is a stiffened raft engineered off a real geotech.
The 1990s stock rarely carries fibro, which keeps the build clean where a structure needs removing.
Granny flat builder in Hassall Grove — key facts
- Suburb
- Hassall Grove, NSW 2761
- Council / LGA
- Blacktown City Council (Blacktown City)
- Primary zoning
- R2 Low Density
- Typical lot size
- 550–700m²
- Soil class
- Class M–H
- Median house price
- $800K–$1.0M
- Home era
- 1990s
- 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.
How It Works
From First Call to Final Key
Everything that has to be right before we touch the ground. Site visit to your Hassall Grove block to check feasibility — lot dimensions, sewer and stormwater locations, driveway access, and Blacktown City Council's setback and landscape requirements. Written feasibility report within 3 business days. Design pulls from a library of plans we've refined over years of Hassall Grove-area builds, then adapts to your specific block constraints. Faster than starting from scratch, better than buying a stock plan that doesn't suit the site.
⏱The Hassall Grove construction phase. Fixed price, programmed, supervised. Most Hassall Grove granny flats qualify for CDC — faster and simpler than DA. Buildana prepares all documentation, lodges with the certifier, and obtains the Construction Certificate. Typical turnaround: 2–3 weeks. Construction in your back yard means coordinating site access, material delivery, and trade movement around the existing house. Buildana plans the build to keep main-house disruption to a few hours per week, not constant noise and dust.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Final inspection, Occupation Certificate, keys, and maintenance guide. Ready for tenants or family. Rental potential: $370–$490/week per week.
⏱Quality Promise
Buildana Hassall Grove granny flats: designed for your block, built to CDC standards, delivered under a fixed-price contract.
Cost Guide
| Item | Estimated Range |
|---|---|
| Studio (35m²) | $130,000 – $170,000 |
| 1-bedroom (40–45m²) | $160,000 – $200,000 |
| 2-bedroom (55m²) | $190,000 – $230,000 |
| Full 60m² maximum | $200,000 – $240,000 |
| Separate meter install | $2,000 – $6,000 |
| Landscaping and path tie-in | $3,000 – $11,000 |
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
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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Free site assessment for Hassall Grove 2761. We'll check your block, recommend the best design, and provide a fixed-price quote.
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Other Buildana services in Hassall Grove
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Hassall Grove 2761. Blacktown City Council regulations and local controls are covered on each page.