Knockdown Rebuild Hassall Grove — One Contract, Demo to Keys
Everything under one agreement in Hassall Grove 2761: demolition, asbestos removal, site prep, design, approvals, engineering, new home construction, landscaping and Occupation Certificate.
HIA Member
MBA NSW0476 300 300Demolish and Rebuild in Hassall Grove
Knockdown rebuild in Hassall Grove is worth framing honestly, because this quiet, family-oriented suburb was built largely in the 1990s. Much of the housing is young enough that a renovation or extension often makes more sense than a knockdown.
Where a rebuild does apply is a 1990s home that is genuinely dated or poorly configured for how you live now. On one of those, a rebuild on the standard 550 to 700m² R2 block resets it, and I will run it against a renovation so you can compare.
The ground runs from Class M shale to Class H reactive clay, so any new home needs a slab engineered off a real geotech. Hassall Grove has good community amenities and access to main roads.
We build fixed-price, licence HBL 487805C. Tell me about your home and I will steer you to the right product.
Buildana manages the complete knockdown rebuild process in Hassall Grove — from site assessment and architectural design through to DA or CDC approval, demolition management, and fixed-price construction to handover. One builder, one contract, one new home.
Read our KDR Cost Guide 2026 or use the Renovation vs KDR Calculator to compare options.
- New home in Hassall Grove from $450K
- Blacktown City Council DA and CDC approvals managed
- Demolition and asbestos removal included
- Class M–H soil — engineered slab design included
- Typical blocks 550–700m² in Hassall Grove
- Single and two-storey designs available
- 6-year structural warranty
- 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
Newer stock, honest framing
Hassall Grove is a quiet, family-oriented suburb built largely in the 1990s, with good community amenities. Much of the housing is young enough that a knockdown is not the obvious move, so I give you a straight read rather than pushing one.
Where a 1990s home is genuinely dated or too small, a rebuild resets it — but I will run it against a renovation so you can weigh both.
Reactive clay drives the slab
The ground runs from Class M shale to Class H reactive clay, so any new home needs a slab engineered off a real geotech. That is the key technical detail here.
If a rebuild is genuinely the right call, it is a clean project on a standard block.
Knockdown-rebuild 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
- $450,000 – $1,200,000+
- Typical timeline
- 14–22 months including demolition
- Approval pathway
- CDC where eligible or DA for complex sites
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
Our Hassall Grove knockdown rebuilds sequence demolition, slab, frame, lockup, handover. Fixed price locked before demolition starts.
How It Works
From First Call to Final Key
On-site assessment covers block measurements, soil conditions (Class M–H), tree preservation checks, service locations, and asbestos identification on your 1990s-era home. Clear feasibility report before you commit.
⏱Approval pathway gets locked at design stage based on FSR, height, setbacks, and any overlays. Most Hassall Grove KDRs go CDC for speed; we use DA when the design wants to push past complying development limits.
⏱Existing home demolished by licensed contractors. Asbestos removed and disposed of to EPA standards.
⏱Construction starts the week demolition finishes — no idle site, no momentum lost. Slab pour usually within the first month, frame stand soon after.
⏱Final inspection, Occupation Certificate, 6-year structural warranty, keys, and maintenance guide. Services reconnected.
⏱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
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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.
Last updated: 1 April 2026
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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.