Knockdown Rebuild Oakhurst — From $450K All-In
Fixed-price knockdown rebuild in Oakhurst 2761. Demolition, new home, all Blacktown City Council approvals under one contract. No surprises, no variation trail.
HIA Member
MBA NSW0476 300 300Quick Answer
A knockdown rebuild in Oakhurst costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, Blacktown City Council approvals, and construction under one fixed-price contract.
Oakhurst Knockdown Rebuilds
A knockdown rebuild in Oakhurst suits the 1980s to 1990s stock on standard 550 to 700m² R2 blocks, in an established, affordable residential suburb with good local amenities. Where a home is genuinely dated, a rebuild resets it into a modern one.
The ground runs from Class M shale to Class H reactive clay, so the slab is designed off a real geotech for your block, with a stiffened raft on the reactive-clay lots. On the older 1980s homes there can be asbestos, needing a licensed strip-out; the 1990s stock is usually clear.
Oakhurst is R2, so this is a single-home rebuild suburb, with affordable pricing helping the numbers.
We rebuild fixed-price, licence HBL 487805C. Get our knockdown rebuild feasibility before you commit.
Buildana manages the complete knockdown rebuild process in Oakhurst — 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 Oakhurst 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 Oakhurst
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Mount Druitt (2 km) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Established, affordable streets
Oakhurst is a settled, affordable residential suburb with good local amenities, on standard 550 to 700m² blocks. The 1980s to 1990s stock is aging into rebuild territory for the older homes, so a knockdown resets a dated home into a modern one.
The affordable land helps the overall rebuild numbers.
Test the ground, then demolish
The ground runs from Class M shale to Class H reactive clay, so the slab is designed off a real geotech for your block, with a stiffened raft on the reactive-clay lots. The demolition depends on the era: 1980s homes can carry asbestos and need a licensed strip-out, while the 1990s stock is usually clear.
I check the era so the demolition line is honest.
Knockdown-rebuild builder in Oakhurst — key facts
- Suburb
- Oakhurst, 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
- $750K–$950K
- Home era
- 1980s–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.
How It Works
From First Call to Final Key
Everything that has to be right before we touch the ground. Free site inspection of your Oakhurst property. We check lot dimensions, Blacktown City Council's planning controls, existing home condition, and potential asbestos. Written assessment with budget estimate within 5 business days. KDR is the chance to get the design right — the new build doesn't have to mimic the original layout. We start from your block's strengths (orientation, slope, views) and your family's brief, then design the home the original lot always deserved.
⏱The Oakhurst construction phase. Fixed price, programmed, supervised. Licensed demolition of existing 1980s–1990s-era dwelling. Asbestos removal by certified contractors (if present). Site cleared, levelled, and ready for new slab. Typically 1–2 weeks. Your new home goes up on the cleared site. Engineered slab sized for Class M–H soil, frame, roof, fit-out, kitchen, bathrooms, flooring, painting, driveway, and landscaping. Quality inspections at every stage.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Handover pack: OC, structural certificates, BASIX, appliance manuals and warranties, paint colour schedule, maintenance plan, and the keys. Six-year structural warranty kicks in from OC date — keep the documentation safe for any future sale.
⏱Quality Promise
Buildana handles Oakhurst KDR end-to-end — old house out, new house in, one contract, one contractor, one defined timeline.
Cost Guide
| Item | Estimated Range |
|---|---|
| Single storey rebuild (150–200m²) | $450,000 – $630,000 |
| Double storey rebuild (200–300m²) | $630,000 – $980,000 |
| Premium rebuild (300m²+) | $980,000+ |
| Demolition (1980s–1990s Oakhurst home) | $17,000 – $37,000 |
| Asbestos removal (if present) | $7,000 – $23,000 |
| Service disconnections & reinstatement | $3,000 – $7,000 |
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 April 2026
Explore Related Topics
Book a Oakhurst Knockdown Rebuild Assessment
Free KDR site assessment for Oakhurst 2761. We'll assess your block, estimate cost, and provide a fixed-price budget.
Start Your ProjectMore in Oakhurst
Other Buildana services in Oakhurst
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Oakhurst 2761. Blacktown City Council regulations and local controls are covered on each page.