Licensed Knockdown Rebuild Builder Phillip Bay
NSW licensed KDR specialist in Phillip Bay 2036. Asbestos-accredited demolition, Class M (sandstone ridges) / H–E (cliff fall on coast) engineered slab, BASIX 2025, 6-year structural warranty on the new home.
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A knockdown rebuild in Phillip Bay 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.
Demolish and Rebuild in Phillip Bay
KDR in Phillip Bay works post-war stock on 500–700m² blocks. Sandstone soil; rock excavation $10K–$30K. Demolition $35K–$70K. Realistic premium turnkey $1.4M–$2.4M for 280–450m² build. Pre-construction 4–6 months.
On the ground in Phillip Bay (2036), the practical numbers shape every knockdown rebuild. Class M (sandstone ridges) / H–E (cliff fall on coast) soil — extremely reactive clay — pushes engineered foundation work into the $45,000–$80,000 bracket on most 500–700m² blocks. R2 Low / R3 Medium (Coogee/Maroubra/Kingsford R4 spines) zoning under Randwick City Council sets the building envelope, with R3 Medium Density pockets that open up dual occupancy options on qualifying lots. Median sale price across Phillip Bay sits at $1.7M–$2.6M, which frames the build-versus-buy decision from the start. Nearest rail is Light Rail Kingsford (8 km), and that proximity affects everything from rental demand to construction site access.
Buildana manages the complete knockdown rebuild process in Phillip Bay — 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 Phillip Bay 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 500–700m² in Phillip Bay
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Light Rail Kingsford (8 km) 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 Phillip Bay?
Phillip Bay is a small inland suburb adjoining La Perouse — post-war fibro and brick on 500–700m² blocks. Limited heritage stock. Sandstone soil. Affordable entry point in the Randwick LGA.
Phillip Bay's mix of 1950s–1970s-era housing on 500–700m² blocks creates strong opportunity for property improvement. Median prices of $1.7M–$2.6M support quality build investment. Transport access via Light Rail Kingsford (8 km) connects Phillip Bay to the wider Sydney network. 1950s–1970s-era housing stock across Phillip Bay is prime for knockdown rebuild — replacing dated layouts and materials with modern, NCC-compliant homes that maximise block potential. Soil conditions in Phillip Bay (Class M (sandstone ridges) / H–E (cliff fall on coast), extremely reactive) are factored into every Buildana foundation design.
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 Phillip Bay — key facts
- Suburb
- Phillip Bay, NSW 2036
- Council / LGA
- Randwick City Council (Randwick)
- Primary zoning
- R2 Low / R3 Medium (Coogee/Maroubra/Kingsford R4 spines)
- Typical lot size
- 500–700m²
- Soil class
- Class M (sandstone ridges) / H–E (cliff fall on coast)
- Median house price
- $1.7M–$2.6M
- Home era
- 1950s–1970s
- 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 Phillip Bay — Local Context
Site & Ground Conditions in Phillip Bay
Phillip Bay 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 500–700m² blocks here. Geotechnical testing isn't optional — every Buildana rebuild in Phillip Bay 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 Phillip Bay's topography can collect water against rear setbacks if the contour survey is sloppy.
Approval Timeline for Phillip Bay
Realistic timeline for a rebuild in Phillip Bay: 10–15 business days CDC, or 8–14 weeks DA — depends on the design. Add 2–4 weeks before lodgement for documentation, BASIX certificate, geotech report, and survey if you don't already have one. Construction Certificate is issued separately before works commence.
Cost vs Value in Phillip Bay
Median sale price in Phillip Bay is $1.7M–$2.6M. For a rebuild, the decision tree runs through three numbers: build cost, expected post-completion value, and how long you plan to hold. New custom homes in Phillip Bay re-set the property at the top of the local price band, with new-build premium of 10–20% over comparable established stock. We map this in feasibility before you commit.
Phillip Bay Housing Stock & What That Means
Most homes in Phillip Bay were built 1950s–1970s. That puts asbestos risk firmly in play — sheeting, eaves linings, vinyl floor tiles, and pipe lagging are likely. Licensed removal adds $5,000–$25,000 to a rebuild where demolition is involved, and Buildana manages SafeWork NSW notifications, removal, and clearance certificates as part of the contract.
Randwick City Council Processing & Phillip Bay Activity
Randwick City Council processes thousands of residential applications a year across the Randwick LGA, and Phillip Bay (2036) sits in the active end of that workload. For a knockdown rebuild, the realistic clock from lodgement to DA determination is 8-14 weeks. The applications that move to the front of the queue are the ones where every required document is correctly named, drawn to scale, and matched against the SEPP or LEP clause it's claiming compliance with. Buildana lodges every project at that standard — not because it's required, but because it's how you avoid sitting in the RFI loop for an extra month.
Builder's Take on Phillip Bay
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 Phillip Bay streets, legacy issues turn up often enough that we'd rather know before we sign.
Timing on Phillip Bay 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.
Phillip Bay vs Nearby Suburbs
Phillip Bay vs nearby suburbs — key metrics for knocking down and rebuilding.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| Phillip Bay2036this suburb | $1.7M–$2.6M | 500–700m² | Class M (sandstone ridges) / H–E (cliff fall on coast) | 1950s–1970s | Light Rail Kingsford (8 km) |
| La Perouse2036 | $1.8M–$3.2M | 350–700m² | Class M (sandstone ridges) / H–E (cliff fall on coast) | 1900s–1960s | Light Rail Kingsford (8 km) |
| Little Bay2036 | $2M–$4M | 250–500m² | Class M (sandstone ridges) / H–E (cliff fall on coast) | 2000s+ master-planned | Light Rail Kingsford (10 km) |
| Matraville2036 | $1.7M–$2.6M | 500–700m² | Class M (sandstone ridges) / H–E (cliff fall on coast) | 1950s–1970s | Light Rail Kingsford (5 km) |
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 | $460,000 – $710,000 |
| Asbestos-affected demolition + rebuild | $480,000 – $760,000 |
| Sloping site + cut/fill + rebuild | $530,000 – $860,000 |
| Heritage-affected or complex site | $570,000 – $1,050,000 |
| Premium finishes & architectural design | $900,000+ |
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 Phillip Bay homes from the 1950s–1970s — 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 Phillip Bay 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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“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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Knockdown Rebuild in Phillip Bay
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