Licensed Knockdown Rebuild Builder Sylvania Waters
NSW licensed KDR specialist in Sylvania Waters 2224. Asbestos-accredited demolition, Class Hawkesbury Sandstone bedrock engineered slab, BASIX 2025, 6-year structural warranty on the new home.
HIA Member
MBA NSW0476 300 300Quick Answer
A knockdown rebuild in Sylvania Waters costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, Sutherland Shire Council approvals, and construction under one fixed-price contract.
Sylvania Waters KDR — Single Contract, New Home
A knockdown rebuild in Sylvania Waters is a premium waterfront rebuild, given the canal-frontage setting with deep-water moorings. The 1970s to 1990s waterfront homes sit on 600 to 1,000m² blocks, and many are now dated enough that a rebuild gives you a substantial modern home designed to the water. The marine environment and the Foreshore Building Line drive the build.
Any work near the canal frontage carries a Foreshore Building Line and a Crown Lands referral, and the marine environment demands N40 marine concrete and 316 stainless throughout, so it is a specialised, higher-cost build. Where the older home carries asbestos, a licensed strip-out and clearance certificate lead the demolition.
What I check first on your Sylvania Waters knockdown rebuild: the Foreshore Building Line and Crown Lands referral on canal frontage, the marine-grade specs, and asbestos in the demolition. Those decide the play and the price.
We rebuild fixed-price, licence HBL 487805C. Get our knockdown rebuild feasibility before you commit.
Buildana manages the complete knockdown rebuild process in Sylvania Waters — 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 Sylvania Waters from $450K
- Sutherland Shire Council DA and CDC approvals managed
- Demolition and asbestos removal included
- Hawkesbury Sandstone bedrock — engineered slab design included
- Typical blocks 600–1,000m² in Sylvania Waters
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Miranda (3 km) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
A premium waterfront rebuild
Sylvania Waters is a premium canal-frontage suburb with deep-water moorings, and many of its 1970s to 1990s waterfront homes are now dated enough that a knockdown rebuild makes real sense. On a 600 to 1,000m² block, a rebuild gives you a substantial modern home designed to take full advantage of the water frontage and the mooring, which is where the value is here.
It resets a dated waterfront home entirely rather than renovating around a layout that never captured the setting properly.
Marine specs and the foreshore
Any work touching the canal frontage carries a Foreshore Building Line and a Crown Lands referral, and the marine environment demands N40 marine concrete and 316 stainless throughout to survive the salt and the water. That is a specialised, higher-cost build that has to be spec'd properly rather than treated like a standard suburban rebuild. Where the older home carries asbestos, a licensed strip-out and clearance certificate lead the demolition. I price all of it from real assessments.
Knockdown-rebuild builder in Sylvania Waters — key facts
- Suburb
- Sylvania Waters, NSW 2224
- Council / LGA
- Sutherland Shire Council (Sutherland Shire)
- Primary zoning
- R2 Low Density predominant
- Typical lot size
- 600–1,000m²
- Soil class
- Hawkesbury Sandstone bedrock
- Median house price
- $2.4M–$5.5M+ (canal frontage)
- Home era
- 1970s–1990s + premium contemporary waterfront
- 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
KDR feasibility is two questions: what can the block legally support, and is it cheaper to build new than fix old. We answer both in writing within a week, with cost ranges grounded in current Sylvania Waters market data — not generic Sydney averages.
⏱New home designed for your Sylvania Waters block — maximising FSR, orientation, and streetscape. Working drawings, engineering, and BASIX prepared.
⏱Full demolition management: asbestos survey report, licensed removal where required, structural demolition, site clearing, temporary fencing, and dust/noise management. Sutherland Shire Council demolition permit obtained beforehand.
⏱Build sequence: site prep, slab pour, frame stand, roof, brickwork, lock-up, plumbing and electrical rough-in, plaster, internal fit-out, kitchen install, tiling, flooring, painting, external works, final clean. Each stage signed off before payment release.
⏱Defect-free handover inspection, OC issued, keys in hand. Permanent services reconnected, landscaping complete, 6-year structural warranty, and full maintenance guide provided.
⏱Quality Promise
Sylvania Waters KDR projects run on one contract: demolition, asbestos clearance, approvals, construction, handover. One builder accountable.
Cost Guide
| Item | Estimated Range |
|---|---|
| Demolish 1970s–1990s + premium contemporary waterfront fibro → modern brick double storey | $520,000 – $1,000,000 |
| Demolish brick veneer → new brick veneer (like-for-like uplift) | $480,000 – $850,000 |
| Demolish to downsize (smaller footprint) | $460,000 – $720,000 |
| Demolish to upsize (growing family) | $700,000 – $1,200,000 |
| Demolish older home, rebuild investment-grade | $560,000 – $900,000 |
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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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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Free KDR site assessment for Sylvania Waters 2224. We'll assess your block, estimate cost, and provide a fixed-price budget.
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Other Buildana services in Sylvania Waters
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Sylvania Waters 2224. Sutherland Shire Council regulations and local controls are covered on each page.