Knockdown Rebuild South Wentworthville — New Home on Your Block
Fixed-price knockdown rebuild in South Wentworthville 2145. Demolition, design, Cumberland City Council approvals and construction — one contract. Free site assessment.
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A knockdown rebuild in South Wentworthville costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, Cumberland City Council approvals, and construction under one fixed-price contract.
Knockdown Rebuild Builder in South Wentworthville
South Wentworthville's 1950s–1970s-era housing stock on 450–650m² blocks makes the suburb a strong candidate for knockdown rebuild. Many older homes in South Wentworthville have reached the point where renovation costs approach or exceed the cost of a complete KDR — and a new build delivers a home designed exclusively for your lifestyle, built to current NCC standards. Cumberland City Council manages approvals across Cumberland City, and Buildana has deep experience with KDR projects in the area.
Buildana manages the complete knockdown rebuild process in South Wentworthville — 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 South Wentworthville from $450K
- Cumberland City Council DA and CDC approvals managed
- Demolition and asbestos removal included
- Class M soil — engineered slab design included
- Typical blocks 450–650m² in South Wentworthville
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Wentworthville (1 km) station
Why Knockdown Rebuild in South Wentworthville?
South Wentworthville is a quiet residential suburb with established post-war and 1960s housing. Standard blocks provide good renovation and extension potential.
Building costs in South Wentworthville are around the Sydney metro average, balancing construction value with lifestyle benefits. Typical residential lots of 450–650m² in South Wentworthville (2145) provide strong building envelopes across a range of project types. transport access via Wentworthville (1 km). R3 Medium Density zoning in parts of South Wentworthville opens the door to duplexes, townhouses, and multi-dwelling projects — maximising return on your land investment. Class M soil conditions in South Wentworthville are manageable with standard engineered slab design. Median house prices of $1.0M–$1.3M mean land value supports a quality build investment, with granny flat rental potential of $400–$530/week.
Cumberland LGA — covering Merrylands, Auburn, Granville, and surrounding suburbs — has high knockdown rebuild demand driven by ageing 1950s–1970s housing on standard to generous blocks. Cumberland Council's DCP requires careful attention to FSR (0.5:1 R2, 0.7:1 R3), height (9m), and heritage provisions in Granville and parts of Auburn. Many homes contain asbestos requiring licensed removal. Buildana manages the complete KDR process from heritage checks through demolition to final handover.
Planning Controls — Cumberland City Council
Cumberland LEP 2021 & DCP. R2 zones: FSR 0.5:1, R3 zones: FSR 0.7:1, building height 9m, front setback 6m, landscaped area 35%. Heritage items and conservation areas apply in parts of Granville and Auburn. CDC available for eligible designs.
Have a question about your project?
Talk to our team — free site assessment and fixed-price quote.
How It Works
From First Call to Final Key
We assess your South Wentworthville block — lot size (typical 450–650m²), R2 Low Density & R3 Medium Density zoning, setbacks, FSR, and existing dwelling condition. Asbestos survey included. You'll know feasibility and budget before committing.
⏱New home designed for your South Wentworthville block — single or two-storey, optimised for orientation, privacy, and Cumberland City Council compliance. DA or CDC lodgement managed by Buildana.
⏱Licensed demolition of existing 1950s–1970s-era home. Asbestos removal, site clearance, and service disconnections — typically 1–2 weeks. All permits and compliance managed.
⏱New home built on cleared site — engineered slab (Class M soil), frame, lock-up, fit-out. Milestone updates from your dedicated project manager.
⏱Defect-free handover with Occupation Certificate. 6-year structural warranty. New home near Wentworthville (1 km) station — ready to move in.
⏱Quality Promise
Every Buildana knockdown rebuild in South Wentworthville is delivered under a fixed-price contract — site assessment through to defect-free handover.
Our Team
Oliver Alameri
Founder / Director / Builder
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
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Cost Guide
| Item | Estimated Range |
|---|---|
| Single-storey KDR (standard) | $460,000 – $670,000 |
| Two-storey KDR (mid-range) | $670,000 – $930,000 |
| Premium custom KDR | $930,000 – $1,240,000+ |
| Demolition (incl. asbestos) | $19,000 – $41,000 |
| Council contributions | $5,000 – $31,000 |
| Site works & landscaping | $15,000 – $41,000 |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
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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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Buildana builds across greater Sydney — with deep roots in Western Sydney's Fairfield, Liverpool, Cumberland, Canterbury-Bankstown, and Blacktown LGAs.
Knockdown Rebuild in South Wentworthville
Free KDR site assessment for South Wentworthville 2145. We'll assess your block, estimate cost, and provide a fixed-price budget.
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