
Knockdown Rebuild Caddens — Demo to Handover in 12 Months
Caddens 2747 KDR with tight programme: demolition (3–4 weeks), new home (24–40 weeks). CDC fast-track or Penrith City Council DA. Weekly progress updates.
Quick Answer
A knockdown rebuild in Caddens costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, Penrith City Council approvals, and construction under one fixed-price contract.
Knockdown Rebuild Builder in Caddens
Knockdown rebuild in Caddens is almost always the wrong product, and I will be straight about it. This master-planned suburb on former Western Sydney University land was built from the 2010s — the homes are too new to knock down.
If you hold a lot here, the product is a custom home build or a renovation. The WSU proximity and the Caddens Town Centre keep demand strong for whichever applies.
The Wianamatta Shale takes a slab designed off a real geotech, and the 2010s stock carries no asbestos.
We build fixed-price, licence HBL 487805C. Tell me what you own and I will point you at the right product.
Buildana manages the complete knockdown rebuild process in Caddens — 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 Caddens from $450K
- Penrith City Council DA and CDC approvals managed
- Demolition and asbestos removal included
- M — engineered slab design included
- Typical blocks 300–500m² in Caddens
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Werrington (1 km) station

Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Too new to knock down
Caddens was built from the 2010s on former WSU land, with the town centre at the rail-line edge and Werrington station close. The housing is too new to knock down, so a knockdown rebuild is the wrong product, and I would rather say that plainly.
The WSU proximity keeps demand strong for what does apply.
What you probably actually need
If you hold a lot, the product is a custom home build; if your home no longer suits, a renovation. The Wianamatta Shale takes a slab designed off a real geotech either way.
I steer you to the right product honestly.
Knockdown-rebuild builder in Caddens — key facts
- Suburb
- Caddens, NSW 2747
- Council / LGA
- Penrith City Council (City of Penrith)
- Primary zoning
- R2 Low Density predominant
- Typical lot size
- 300–500m²
- Soil class
- M
- Median house price
- $1.0M–$1.4M
- Home era
- 2010s–present master-planned
- 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 |
|---|---|
| Entry-level single storey KDR | $480,000 – $650,000 |
| Mid-range double storey KDR | $720,000 – $1,000,000 |
| Architectural KDR | $1,000,000 – $1,500,000 |
| Luxury KDR (high-spec finishes) | $1,500,000+ |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
How It Works
From First Call to Final Key
Site visit covers everything that affects the build cost: vehicle access for trucks and crane, services (sewer depth, water connection, electrical service rating), soil exposure for borehole, neighbouring construction, and any obvious heritage or tree constraints. Real numbers, not estimates.
⏱Architectural design for your replacement home, structural engineering for Class M soil, BASIX certification, and all approval documentation. Lodged as CDC (10–15 days) or DA (40–90 days) depending on design.
⏱Demolition runs 5–10 working days for a standard Caddens cottage — longer if asbestos volume is significant or the structure includes a brick chimney or solid-block walls. Asbestos work happens first under a controlled removal program before mechanical demo starts.
⏱New home built from engineered slab (Class M soil) to keys — fixed-price, milestone-based progress payments. Your project manager provides weekly updates.
⏱Walk through your finished home on your original Caddens block. OC issued, all services live, 6-year structural warranty, appliance manuals, and maintenance schedule. Move in.
⏱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
Knockdown Rebuild in Caddens
Free KDR site assessment for Caddens 2747. We'll assess your block, estimate cost, and provide a fixed-price budget.
Start Your ProjectMore in Caddens
Other Buildana services in Caddens
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Caddens 2747. Penrith City Council regulations and local controls are covered on each page.