
Knockdown Rebuild Winston Hills — Demo to Handover in 12 Months
Winston Hills 2153 KDR with tight programme: demolition (3–4 weeks), new home (24–40 weeks). CDC fast-track or The Hills Shire Council DA. Weekly progress updates.
Quick Answer
A knockdown rebuild in Winston Hills costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, The Hills Shire Council approvals, and construction under one fixed-price contract.
Winston Hills Knockdown Rebuilds
A knockdown rebuild in Winston Hills is a strong established-Hills play — 1970s to 1990s brick on generous 600 to 900m² R2 lots, with the M2 adjacent and a strong duplex and granny flat market already running. The aging stock and generous blocks give a rebuild real potential.
Against the 600m² duplex minimum, most Winston Hills blocks qualify, so I run the duplex numbers alongside the single rebuild as standard. The R3 around Old Northern Road opens medium-density on some blocks.
The ground is Wianamatta Shale, so the slab is designed off a real geotech. On the older 1970s homes there can be asbestos, needing a licensed strip-out; the newer stock is usually clear.
We rebuild fixed-price, licence HBL 487805C. Get our feasibility — rebuild or duplex — before you commit.
Buildana manages the complete knockdown rebuild process in Winston Hills — 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 Winston Hills from $450K
- The Hills Shire Council DA and CDC approvals managed
- Demolition and asbestos removal included
- M — engineered slab design included
- Typical blocks 600–900m² in Winston Hills
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Bus to Parramatta (T1, 5 km) / T-Way station

Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Established blocks, strong market
Winston Hills' 600 to 900m² blocks, M2 access and aging 1970s-90s brick stock make it a strong rebuild suburb in the south Hills. A knockdown resets a dated home into a modern one in a settled, well-connected pocket.
The duplex and granny flat market here is active, and most blocks clear the 600m² minimum, so I run those numbers as standard.
Shale and era-dependent demolition
The Wianamatta Shale takes a slab designed off a real geotech. The demolition depends on the era: 1970s homes can carry asbestos and need a licensed strip-out, while the newer stock is usually clear.
On the R3 around Old Northern Road, medium-density can be worth costing where a block qualifies.
Knockdown-rebuild builder in Winston Hills — key facts
- Suburb
- Winston Hills, NSW 2153
- Council / LGA
- The Hills Shire Council (The Hills)
- Primary zoning
- R2 Low
- Typical lot size
- 600–900m²
- Soil class
- M
- Median house price
- $1.5M–$2.2M
- Home era
- 1970s–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.
Cost Guide
| Item | Estimated Range |
|---|---|
| Single storey rebuild (150–200m²) | $470,000 – $670,000 |
| Double storey rebuild (200–300m²) | $670,000 – $1,030,000 |
| Premium rebuild (300m²+) | $1,030,000+ |
| Demolition (1970s–1990s Winston Hills home) | $18,000 – $39,000 |
| Asbestos removal (if present) | $8,000 – $25,000 |
| Service disconnections & reinstatement | $3,000 – $8,000 |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
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 1970s–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 Winston Hills 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 Winston Hills 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 Winston Hills 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 Winston Hills Mall.
⏱Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
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
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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