Licensed Knockdown Rebuild Builder Birrong
NSW licensed KDR specialist in Birrong 2143. Asbestos-accredited demolition, Class M engineered slab, BASIX 2025, 6-year structural warranty on the new home.
HIA Member
MBA NSW0476 300 300Quick Answer
A knockdown rebuild in Birrong costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, Canterbury-Bankstown Council approvals, and construction under one fixed-price contract.
Birrong Knockdown Rebuilds
A knockdown rebuild in Birrong is an affordable, rail-connected play on the post-war stock — the suburb's own train station and 1940s to 1970s homes on standard 500 to 700m² R2 blocks. The aging stock and affordable prices make a rebuild a sensible reset.
The ground is Class M shale, which takes a standard engineered slab off a geotech. Because some of the stock reaches back to the 1940s, asbestos is almost a given, so a licensed strip-out and clearance certificate lead the demolition.
Birrong is R2, so this is a single-home rebuild suburb with good transport connectivity.
We rebuild fixed-price, licence HBL 487805C. Get our knockdown rebuild feasibility before you commit.
Buildana manages the complete knockdown rebuild process in Birrong — 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 Birrong from $450K
- Canterbury-Bankstown Council DA and CDC approvals managed
- Demolition and asbestos removal included
- Class M soil — engineered slab design included
- Typical blocks 500–700m² in Birrong
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Birrong station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Affordable, rail-connected
Birrong's own train station and affordable prices make it a practical rebuild suburb. On standard 500 to 700m² blocks, the 1940s to 1970s stock is well into rebuild territory, so a knockdown resets a dated home into a modern one with rail on the doorstep.
The lower entry cost helps the overall rebuild numbers.
Old stock, asbestos a given
Because the stock reaches back to the 1940s, asbestos is almost a given, so a licensed strip-out and clearance certificate lead the demolition. The Class M shale takes a standard engineered slab off a geotech.
I price both into the feasibility so it reflects your block and home.
Knockdown-rebuild builder in Birrong — key facts
- Suburb
- Birrong, NSW 2143
- Council / LGA
- Canterbury-Bankstown Council (Canterbury-Bankstown)
- Primary zoning
- R2 Low Density
- Typical lot size
- 500–700m²
- Soil class
- Class M
- Median house price
- $950K–$1.15M
- Home era
- 1940s–1970s
- 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.
How It Works
From First Call to Final Key
Everything that has to be right before we touch the ground. On-site assessment covers block measurements, soil conditions (Class M), tree preservation checks, service locations, and asbestos identification on your 1940s–1970s-era home. Clear feasibility report before you commit. Approval pathway gets locked at design stage based on FSR, height, setbacks, and any overlays. Most Birrong KDRs go CDC for speed; we use DA when the design wants to push past complying development limits. Either way, all documentation prepared and lodged in-house.
⏱The Birrong construction phase. Fixed price, programmed, supervised. Existing home demolished by licensed contractors. Asbestos removed and disposed of to EPA standards. Services disconnected, site cleared and prepped for construction. Buildana manages all permits and logistics. Construction starts the week demolition finishes — no idle site, no momentum lost. Slab pour usually within the first month, frame stand soon after. From frame stand to handover runs 6–9 months for a typical Birrong family home.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Final inspection, Occupation Certificate, 6-year structural warranty, keys, and maintenance guide. Services reconnected. Your new home near Birrong shops & Birrong station.
⏱Quality Promise
Birrong KDR projects run on one contract: demolition, asbestos clearance, approvals, construction, handover. One builder accountable.
Cost Guide
| Item | Estimated Range |
|---|---|
| Single storey rebuild (150–200m²) | $500,000 – $710,000 |
| Double storey rebuild (200–300m²) | $710,000 – $1,100,000 |
| Premium rebuild (300m²+) | $1,100,000+ |
| Demolition (1940s–1970s Birrong home) | $19,000 – $42,000 |
| Asbestos removal (if present) | $8,000 – $26,000 |
| Service disconnections & reinstatement | $3,000 – $8,000 |
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
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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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Knockdown Rebuild in Birrong
Free KDR site assessment for Birrong 2143. We'll assess your block, estimate cost, and provide a fixed-price budget.
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Other Buildana services in Birrong
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Birrong 2143. Canterbury-Bankstown Council regulations and local controls are covered on each page.