Knockdown Rebuild Randwick — One Contract, Demo to Keys
Everything under one agreement in Randwick 2031: demolition, asbestos removal, site prep, design, approvals, engineering, new home construction, landscaping and Occupation Certificate.
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A knockdown rebuild in Randwick costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, Randwick City Council approvals, and construction under one fixed-price contract.
Knockdown Rebuild Builder in Randwick
A knockdown rebuild in Randwick depends heavily on your street, because this inner-eastern suburb mixes Federation and terrace heritage with R3/R4 zoning near the centre. On a heritage street, demolition is restricted and a sensitive restoration is the path. On the non-heritage blocks, a rebuild works, while near the hospital, UNSW and the light rail, R3/R4 zoning can favour a higher-density redevelopment.
The sandstone-dominant ground behaves for the new slab once assessed. Heritage Conservation Areas cover several streets including the Randwick Junction village core. Where the older home carries asbestos, a licensed strip-out and clearance certificate lead the demolition.
What I check first on your Randwick knockdown rebuild: whether you sit inside a Heritage Conservation Area or an R3/R4 zone, any asbestos in the demolition, and the sandstone for the new slab. Those decide the play.
We rebuild fixed-price, licence HBL 487805C. Get our knockdown rebuild feasibility before you commit.
Buildana manages the complete knockdown rebuild process in Randwick — 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 Randwick from $450K
- Randwick City Council DA and CDC approvals managed
- Demolition and asbestos removal included
- M — engineered slab design included
- Typical blocks 250–600m² in Randwick
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Light Rail Randwick (in suburb) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Heritage, zoning and the rebuild play
Randwick is a patchwork for a knockdown rebuild. The Federation cottages and terraces in the heritage streets, including the Randwick Junction core, are restricted from demolition, so a sensitive restoration is the path there. Near the Prince of Wales Hospital, UNSW and the light rail, R3/R4 zoning can favour a higher-density redevelopment. On the non-heritage residential blocks, a straight rebuild is a genuine play. So the first thing I do is check your heritage and zoning.
The exceptional location keeps demand strong, so a rebuild that resets a tired home to modern standard is well supported where the block allows.
Sandstone and asbestos
Where a rebuild does stack up, the sandstone-dominant Randwick ground behaves for the new slab once assessed from a real geotech. Where the older home carries asbestos, a licensed strip-out and clearance certificate lead the demolition. I map the heritage, zoning, ground and clearance as part of the feasibility.
Knockdown-rebuild builder in Randwick — key facts
- Suburb
- Randwick, NSW 2031
- Council / LGA
- Randwick City Council (Randwick)
- Primary zoning
- R2 Low
- Typical lot size
- 250–600m²
- Soil class
- M
- Median house price
- $2.5M–$5M
- Home era
- 1900s–1940s + apartments
- 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 |
|---|---|
| Clean demolition + standard rebuild | $530,000 – $830,000 |
| Asbestos-affected demolition + rebuild | $560,000 – $880,000 |
| Sloping site + cut/fill + rebuild | $620,000 – $990,000 |
| Heritage-affected or complex site | $660,000 – $1,210,000 |
| Premium finishes & architectural design | $1,050,000+ |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
How It Works
From First Call to Final Key
KDR starts with an honest look at the existing house. Sometimes it's worth keeping. Most Randwick homes from the 1900s–1940s + apartments — especially fibro and brick-veneer — are beyond the point where renovation makes sense. We tell you straight.
⏱Demolition is pre-approved to run parallel with rebuild design. Asbestos cleared, services abolished, site stripped in a single mobilisation. Geotech reconfirms Class M soil with the old house gone.
⏱New house goes up on the same footprint or a better one, whichever serves the block. Modern NCC envelope, better orientation, fit-for-purpose room sizes. The suburb stays the same; the house finally fits it.
⏱Final handover: new OC, six-year structural warranty, all the documentation on your Randwick block you'd get on a greenfield build. The only difference is you still live in the street you chose.
⏱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
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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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