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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.

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 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
2-bed granny flat on a 550–700m² block in Hassall Grove
OA

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.

Granny flat design for 550–700m² blocks
CDC pathway under SEPP — Blacktown City Council
Geotechnical report (Class M–H soil — Hassall Grove)
BASIX certificate and NCC 2025 compliance
Engineered slab and structural design
Full construction — 60m² secondary dwelling
Kitchen, bathroom and laundry fit-out
Separate electrical meter and water isolation
External path, fence and landscaping tie-in
Occupation Certificate and handover

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.

Fixed-price constructionNCC 2025 and BASIX compliantFull Blacktown City Council compliance12-week standard build timeSeparate metering included6-year structural warranty

Cost Guide

ItemEstimated 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

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

Google Reviews
5.0·26+ verified reviews
Buildana built our granny flat in just 12 weeks. Fast approvals, great communication, and a beautiful final product. Highly recommend.
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Fatima Al-Rashid

Liverpool, NSW

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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.

Granny Flat on Your Hassall Grove Block

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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