Knockdown Rebuild North Kellyville — Demo to Handover in 12 Months
North Kellyville 2155 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.
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MBA NSW0476 300 300Quick Answer
A knockdown rebuild in North Kellyville 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.
Demolish and Rebuild in North Kellyville
A knockdown rebuild in North Kellyville is almost never the move, because the stock is too new. This is a 2010s-onward master-planned new-release suburb, so the homes are modern and generally sound, and knocking one down rarely makes financial sense. A renovation, reconfiguration or extension achieves far more for far less, and I would rather tell you that than knock down a serviceable home.
Where an early-phase home no longer fits a growing family, an extension or internal reconfiguration is the practical path. On the reactive shale, any structural addition is engineered off geotech, and the newer stock is generally clean of asbestos.
What I check first on your North Kellyville property: the age of your home, which almost always points to a renovation or extension over a rebuild, and the scope of what you actually need. Those confirm the realistic path.
We build and renovate fixed-price, licence HBL 487805C. If you were thinking knockdown, let me show you why an extension is the right play.
Buildana manages the complete knockdown rebuild process in North Kellyville — 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 North Kellyville from $450K
- The Hills Shire Council DA and CDC approvals managed
- Demolition and asbestos removal included
- M — engineered slab design included
- Typical blocks 350–650m² in North Kellyville
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Bus to Kellyville Metro (3 km) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Too young to knock down
North Kellyville is a 2010s-onward master-planned new-release suburb, so the stock is modern and generally sound. Knocking down a home of that age rarely makes financial sense, and a renovation, reconfiguration or extension achieves far more for far less. So the honest answer here is usually not to knock down.
I would rather give you that read than sell you a rebuild on a home with decades of life left in it. For a growing young family, extending is almost always the smarter play.
Extend rather than rebuild
Where an early-phase North Kellyville home no longer fits, an extension or internal reconfiguration gives you the space without the cost of a rebuild. On the reactive shale, any structural addition is engineered off a real geotech, and the newer stock is generally clean of asbestos, keeping the work efficient. I assess what your home actually needs first.
Knockdown-rebuild builder in North Kellyville — key facts
- Suburb
- North Kellyville, NSW 2155
- Council / LGA
- The Hills Shire Council (The Hills)
- Primary zoning
- R2 Low
- Typical lot size
- 350–650m²
- Soil class
- M
- Median house price
- $1.4M–$1.9M
- Home era
- 2010s+ contemporary
- 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 North Kellyville property. We check lot dimensions, The Hills Shire 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 North Kellyville construction phase. Fixed price, programmed, supervised. Licensed demolition of existing 2010s+ contemporary-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 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 North Kellyville 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) | $490,000 – $690,000 |
| Double storey rebuild (200–300m²) | $690,000 – $1,070,000 |
| Premium rebuild (300m²+) | $1,070,000+ |
| Demolition (2010s+ contemporary North Kellyville home) | $18,000 – $41,000 |
| 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
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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
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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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