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
KDR in Randwick (suburb) is heritage-restricted on Randwick Junction and character streets. Where non-contributory replacement is viable, sandstone soil; rock excavation $15K–$40K. Demolition $40K–$80K. Realistic premium turnkey $1.8M–$3.5M for 280–450m² build. Pre-construction 5–7 months.
Randwick's housing stock is mostly from the 1900s–1940s + apartments, which is the era where structural bones either hold up or don't — and we see plenty of both across the suburb. For knocking down and rebuilding here, that history matters: asbestos survey before any demolition is non-negotiable, and licensed removal lands somewhere between $5,000 and $25,000 depending on what's actually there. Median price $2.5M–$5M on typical 250–600m² blocks. Class M (sandstone ridges) / H–E (cliff fall on coast) ground, foundation cost band $45,000–$80,000.
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
- Class M (sandstone ridges) / H–E (cliff fall on coast) soil — 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
Why Knockdown Rebuild in Randwick?
Randwick is the LGA's commercial heart and inner suburb — Federation cottages, inter-war heritage, terraces and contemporary apartments on 250–600m² blocks. Heritage Conservation Areas cover several streets including the village core around Randwick Junction. R3/R4 along Belmore Road and Avoca Street. Sandstone soil. Light Rail Randwick station.
Randwick's established streetscape and median house prices of $2.5M–$5M reflect a premium location within Randwick. Building costs sit above the metro average, offset by stronger capital growth and rental returns. Direct rail access from Light Rail Randwick (in suburb) station adds genuine value to Randwick property. 1900s–1940s + apartments-era housing stock across Randwick is prime for knockdown rebuild — replacing dated layouts and materials with modern, NCC-compliant homes that maximise block potential. Class M (sandstone ridges) / H–E (cliff fall on coast) soil (extremely reactive) is standard for Randwick — Buildana includes engineered slab design in every quote.
KDR in Randwick works post-war non-contributory pockets outside Heritage Conservation Areas — inland Maroubra, Matraville, Chifley, Phillip Bay, Hillsdale, Pagewood, parts of Kingsford. Coastal heritage suburbs (Clovelly, Coogee village, South Coogee, Daceyville-entire, La Perouse, Malabar) are extension-restricted. Sandstone-dominant soil; rock excavation $15K–$45K typical, deeper $25K–$60K on cliff-fall lots. Coastal salt-grade specs add $15K–$45K material premium on coastal-facing builds. Demolition $40K–$80K with asbestos prevalent in 50s–70s stock. Realistic premium turnkey $1.6M–$3.5M for 280–450m² build inland; $2.5M–$6M on coastal-facing blocks; $4M–$12M+ on direct beachfront/clifftop in Coogee, South Coogee, Clovelly. Pre-construction 5–9 months.
Planning Controls — Randwick City Council
Randwick LEP 2012 & Randwick DCP 2013. R2 Low Density covers most residential streets: FSR 0.55–0.65:1, building height 9.5m, front setback 4–6m, landscaped area 35–40%. R3 Medium Density along Coogee Bay Road, Carrington Road, Belmore Road, Maroubra Road and Anzac Parade permits FSR up to 0.9:1. R4 High Density and B4 Mixed Use concentrated on the Anzac Parade UNSW corridor through Kensington and Kingsford, Randwick Junction, Coogee village and Maroubra Junction. Heritage Conservation Areas cover Daceyville (entire suburb), Coogee village, Clovelly, parts of Maroubra and South Coogee, Randwick Junction, La Perouse, Malabar and Kensington/Kingsford pockets. Tree Preservation Order LGA-wide. Sandstone-dominant soil with substantial cliff fall on the eastern coast from Clovelly through South Coogee to Malabar Headland — suspended slabs and substantial retaining standard, rock excavation $20K–$60K. Coastal salt-grade specifications mandatory across all coastal-facing builds (Clovelly, Coogee, South Coogee, Maroubra, Malabar, Little Bay, La Perouse). Aboriginal cultural heritage protocols apply on the La Perouse headland and parts of the Botany Bay foreshore. UNSW campus and Light Rail (Randwick line + Kingsford line) drive density along Anzac Parade. The new Randwick Health & Innovation Precinct (Prince of Wales Hospital, UNSW Health Translation Hub) is the LGA's signature strategic centre. Randwick Racecourse and Centennial Parklands frontage on the western edge of the LGA.
Knockdown-rebuild builder in Randwick — key facts
- Suburb
- Randwick, NSW 2031
- Council / LGA
- Randwick City Council (Randwick)
- Primary zoning
- R2 Low / R3 Medium (Coogee/Maroubra/Kingsford R4 spines)
- Typical lot size
- 250–600m²
- Soil class
- Class M (sandstone ridges) / H–E (cliff fall on coast)
- 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
Building in Randwick — Local Context
Site & Ground Conditions in Randwick
Randwick sits on Class M (sandstone ridges) / H–E (cliff fall on coast) soil — extremely reactive clay. For a knockdown rebuild, that rules out the cheapest off-the-shelf slab designs straight away. and pushes engineered footings into the $45,000–$80,000 range on most 250–600m² blocks here. Geotechnical testing isn't optional — every Buildana rebuild in Randwick starts with a borehole report so the slab and footings are sized to your actual block, not a generic spec. Skipping that step is how you end up with cracked cornices and sticking doors three years in. Drainage design matters too — overland flow paths on Randwick's topography can collect water against rear setbacks if the contour survey is sloppy.
What Randwick City Council Wants to See
Approval in Randwick comes down to documentation quality. Randwick City Council processes a high volume of residential applications, and the ones that get approved fast share three traits: clean drawings that show every required setback dimension on plan; a BASIX certificate that matches the actual specification (not a stand-in); and an engineering package sized correctly for the Class M (sandstone ridges) / H–E (cliff fall on coast) ground. We prepare every document at full lodgement standard the first time.
Randwick Build Economics
Randwick sits in the $2.5M–$5M price band, which is the framing for any knockdown rebuild decision. On a 250–600m² block here, the build-versus-buy maths usually favours knockdown rebuild on stock from before 1985 — replacement value typically beats deep renovation. Free Buildana feasibility runs the numbers against your actual block before any commitment.
Lifestyle Fit in Randwick
Randwick has a settled residential character. Light Rail Randwick (in suburb) station is the rail anchor for the suburb. Local landmark: Randwick Racecourse & Prince of Wales Hospital. For families knocking down and rebuilding here, the design considerations that matter day-to-day: orientation for natural light (north-facing living wherever the lot allows), separation between adult and kids' zones, a kitchen that opens to outdoor entertaining, garage size that fits a real family vehicle plus storage, and a layout that doesn't require renovating again in 10 years as the kids grow. Buildana designs for the long arc of how families actually use a home, not just the showroom photo.
Realistic Randwick Timeline
End-to-end timeline for a knockdown rebuild in Randwick, lodgement-realistic: 8-14 weeks for DA, depending on neighbour notification and any RFI rounds. Add 2-3 weeks for documentation pack assembly before lodgement (BASIX, geotech for Class M (sandstone ridges) / H–E (cliff fall on coast), contour survey, hydraulic). Add 1 week for Construction Certificate post-approval. Construction itself runs 8-14 months once you're on the ground. Buildana provides a dated programme in every contract, not a vague "12-18 months" range.
Builder's Take on Randwick
Site contamination checks — tanks, asbestos pipework, lead paint — take 2–3 days and cost $1.5K–$3K. Worth doing before contract, not after demo starts. On older Randwick streets, legacy issues turn up often enough that we'd rather know before we sign.
Timing on Randwick KDR: demolition 5–10 business days, slab 3–4 weeks post-demo, new home 24–40 weeks to handover. Total 7–11 months. Compared to selling and rebuying in the same suburb, you save ~12 weeks of dead time plus $80K–$140K in stamp duty and agent fees.
Randwick vs Nearby Suburbs
Randwick vs nearby suburbs — key metrics for knocking down and rebuilding.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| Randwick2031this suburb | $2.5M–$5M | 250–600m² | Class M (sandstone ridges) / H–E (cliff fall on coast) | 1900s–1940s + apartments | Light Rail Randwick (in suburb) |
| Coogee2034 | $2.8M–$6M | 250–600m² | Class M (sandstone ridges) / H–E (cliff fall on coast) | 1900s–1940s + apartments | Light Rail Randwick (2 km) |
| Clovelly2031 | $3M–$6.5M | 250–600m² | Class M (sandstone ridges) / H–E (cliff fall on coast) | 1900s–1940s | Light Rail Randwick (2 km) |
| Kensington2033 | $2.2M–$4M | 250–600m² | Class M (sandstone ridges) / H–E (cliff fall on coast) | 1900s–1960s + apartments | Light Rail Kensington / Kingsford |
Median price, soil class, and lot size shape build feasibility and final cost. Buildana assesses every site against these and other constraints during the free feasibility stage.
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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 (sandstone ridges) / H–E (cliff fall on coast) 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
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Fatima Al-Rashid
Liverpool, NSW
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Last updated: 1 April 2026
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