Licensed Knockdown Rebuild Builder Sylvania
NSW licensed KDR specialist in Sylvania 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 300Demolish and Rebuild in Sylvania
A knockdown rebuild in Sylvania is a clean play on the aging 1970s to 1990s brick-veneer stock. The homes sit on 550 to 750m² R2 blocks in the corridor between Miranda and Sylvania Waters, so a rebuild gives you a modern custom home in a strong Shire location. The Hawkesbury Sandstone bedrock, which can bring rock-cutting on the substructure, is the main technical driver.
The ground is generally cooperative for the new slab off geotech, though the sandstone bedrock can bring rock-cutting on the substructure, priced from a real geotech. Where the older brick-veneer home carries asbestos in eaves or wet areas, a licensed strip-out and clearance certificate lead the demolition.
What I check first on your Sylvania knockdown rebuild: any rock on the substructure, asbestos in the demolition, and the block's scope for your new home. 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 — 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 from $450K
- Sutherland Shire Council DA and CDC approvals managed
- Demolition and asbestos removal included
- Hawkesbury Sandstone bedrock — engineered slab design included
- Typical blocks 550–800m² typical; 600–1,000m² premium beachside/foreshore (Cronulla/Burraneer/Lilli Pilli/Yowie Bay/Caringbah South/Sylvania Waters); 700–2,000m² bushland-fringe (Bundeena, Maianbar, Bangor, Menai) in Sylvania
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Miranda (2 km) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Aging stock in a strong corridor
Sylvania's 1970s to 1990s brick-veneer homes on 550 to 750m² blocks are aging into rebuild territory, and a knockdown rebuild gives you a modern custom home in the convenient corridor between Miranda and Sylvania Waters, close to Westfield Miranda. It resets a dated home entirely rather than renovating around aged veneer bones.
The generous blocks also mean a duplex can be the better play where the numbers favour it and the block clears the Shire minimum, so I run both where relevant.
Sandstone substructure and asbestos
The Hawkesbury Sandstone bedrock under Sylvania can bring rock-cutting on the substructure of the new home, priced from a real geotech rather than assumed. Where the older brick-veneer home carries asbestos in eaves or wet areas, a licensed strip-out and clearance certificate lead the demolition before the rebuild. I price both as part of the feasibility.
Knockdown-rebuild builder in Sylvania — key facts
- Suburb
- Sylvania, NSW 2224
- Council / LGA
- Sutherland Shire Council (Sutherland Shire)
- Primary zoning
- R2 Low Density predominant
- Typical lot size
- 550–800m² typical; 600–1,000m² premium beachside/foreshore (Cronulla/Burraneer/Lilli Pilli/Yowie Bay/Caringbah South/Sylvania Waters); 700–2,000m² bushland-fringe (Bundeena, Maianbar, Bangor, Menai)
- Soil class
- Hawkesbury Sandstone bedrock
- Median house price
- $1.6M–$2.4M
- Home era
- 1970s–1990s brick veneer
- 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.
Quality Promise
Sylvania KDR projects run on one contract: demolition, asbestos clearance, approvals, construction, handover. One builder accountable.
How It Works
From First Call to Final Key
Everything that has to be right before we touch the ground. We assess your Sylvania block — lot size (typical 550–800m² typical; 600–1,000m² premium beachside/foreshore (Cronulla/Burraneer/Lilli Pilli/Yowie Bay/Caringbah South/Sylvania Waters); 700–2,000m² bushland-fringe (Bundeena, Maianbar, Bangor, Menai)), R2 Low Density predominant zoning, setbacks, FSR, and existing dwelling condition. Asbestos survey included. You'll know feasibility and budget before committing. Complete design package: floor plans, elevations, 3D renders, structural engineering, geotech, BASIX, stormwater, and all documentation Sutherland Shire Council requires. Approval managed start to finish.
⏱The Sylvania construction phase. Fixed price, programmed, supervised. Pre-demolition: dilapidation report on adjoining properties (protects you against unfounded damage claims), service disconnections, asbestos clearance, neighbour notification. Then 1–2 weeks of physical demolition with material sorted at site for recycling where possible. Fixed-price construction: engineered slab, frame, lock-up, fit-out, external works. 8–12 months depending on size. Weekly progress reports with photos and milestone tracking.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Same address, completely different home. Permanent gas, water, electrical, NBN reconnected and tested. Council waste collection re-registered. Mailbox reinstalled. Move-in ready, not move-in plus 100 small jobs.
⏱Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
Estimate Your Build Cost
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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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Last updated: 1 April 2026
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Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Sylvania 2224. Sutherland Shire Council regulations and local controls are covered on each page.