Knockdown Rebuild Sydney Olympic Park — Demo to Handover in 12 Months
Sydney Olympic Park 2127 KDR with tight programme: demolition (3–4 weeks), new home (24–40 weeks). CDC fast-track or City of Parramatta Council DA. Weekly progress updates.
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A knockdown rebuild in Sydney Olympic Park costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, City of Parramatta Council approvals, and construction under one fixed-price contract.
Demolish and Rebuild in Sydney Olympic Park
KDR in Sydney Olympic Park is not applicable — master-planned R4 apartment-led precinct on remediated former Homebush Bay industrial/abattoir/Union Carbide site, no detached stock. Apartment redevelopment only.
On the ground in Sydney Olympic Park (2127), the practical numbers shape every knockdown rebuild. Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park soil — extremely reactive clay — pushes engineered foundation work into the $45,000–$80,000 bracket on most N/A (apartment-led precinct) blocks. R2 Low / R3 Medium (station precincts) / R4 High (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre) zoning under City of Parramatta Council sets the building envelope, with R3 Medium Density pockets that open up dual occupancy options on qualifying lots. Median sale price across Sydney Olympic Park sits at $700K–$1.6M (apartments), which frames the build-versus-buy decision from the start. Olympic Park (T7, in suburb) / Sydney Metro West (under construction) station services the suburb, and that proximity affects everything from rental demand to construction site access.
Buildana manages the complete knockdown rebuild process in Sydney Olympic Park — 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 Sydney Olympic Park from $450K
- City of Parramatta Council DA and CDC approvals managed
- Demolition and asbestos removal included
- Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park soil — engineered slab design included
- Typical blocks N/A (apartment-led precinct) in Sydney Olympic Park
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Olympic Park (T7, in suburb) / Sydney Metro West (under construction) 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 Sydney Olympic Park?
Sydney Olympic Park is the master-planned event and residential precinct on the former Homebush Bay industrial and abattoir site — R4 high-rise apartment towers built 2000s onwards with no detached stock. Wianamatta Shale and reclaimed alluvial soil. Heavy industrial-legacy contamination management on remediated parcels. Sydney Metro West (under construction) station precinct.
Sydney Olympic Park's established streetscape and median house prices of $700K–$1.6M (apartments) reflect a premium location within City of Parramatta. Building costs sit above the metro average, offset by stronger capital growth and rental returns. Sydney Olympic Park benefits from Olympic Park (T7, in suburb) / Sydney Metro West (under construction) station on the doorstep — walkable rail access lifts both rental demand and property values. 2000s+ apartment towers-era housing stock across Sydney Olympic Park is prime for knockdown rebuild — replacing dated layouts and materials with modern, NCC-compliant homes that maximise block potential. Soil conditions in Sydney Olympic Park (Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park, extremely reactive) are factored into every Buildana foundation design.
KDR in the City of Parramatta is split sharply by suburb tier. The acreage-style premium tier — Oatlands (700–1,200m² R2 lots, top-school King's School premium), Carlingford (600–900m² R2), Northmead and North Parramatta (550–800m² R2) — carries premium custom KDR with end values $2.0M–$3.5M+ on Oatlands. Mid-tier KDR is the dominant scope across Dundas, Dundas Valley, Ermington, Rydalmere, Old Toongabbie, parts of Carlingford and Northmead with 1950s–1970s brick stock on 500–800m² R2 lots being replaced with two-storey contemporary builds. KDR is largely impractical on the apartment-led R4 cores (Parramatta CBD, Westmead, Harris Park, Sydney Olympic Park, Wentworth Point, Telopea Renewal Precinct, Epping town centre) where the playbook is apartment redevelopment. Wianamatta Shale soil predominant on suburban cores with minimal rock excavation; Class P/E alluvial soil with elevated water table on the Parramatta River corridor (Rydalmere, Ermington, parts of Telopea, Sydney Olympic Park, Wentworth Point) requiring suspended slabs, Class P/E footings and dewatering — cost premium $40K–$80K above standard. Industrial-legacy contamination clearance required on Sydney Olympic Park (former Homebush Bay industrial/Union Carbide), Wentworth Point (former industrial), Camellia (former Shell Oil refinery), Rosehill industrial fringe, Rydalmere (former industrial), Ermington (former Department of Defence, Boys Town) parcels — NSW EPA SEPP 55 site investigation, remediation action plan and validation reports add 4–8 months and $30K–$150K+ depending on contamination level. Heritage Conservation Areas restrict KDR on the heritage core (Parramatta CBD heritage precinct, Harris Park UNESCO buffer, North Parramatta Cumberland Hospital state-significant precinct, Federation streets in Dundas, Dundas Valley, parts of Carlingford, Epping village, Oatlands, Northmead, Rydalmere riverfront). UNESCO Old Government House World Heritage buffer-zone controls extend to adjoining streets in Harris Park, Parramatta CBD, North Parramatta and parts of Westmead. Tree Preservation Order LGA-wide. Demolition $30K–$60K with asbestos universal pre-1990. Riparian setbacks 10–60m on Parramatta River, Toongabbie Creek, Duck River and tributaries. Foreshore Building Line restrictions on direct waterfront in Wentworth Point, Sydney Olympic Park, Rydalmere, Ermington. Realistic premium turnkey $1.4M–$2.5M for 280–450m² build on suburban-core R2; $2.0M–$3.8M on Oatlands/Carlingford/Northmead premium suburban; $2.5M–$5M on direct river-frontage Rydalmere/Ermington with foreshore consent and Class P/E engineering. Pre-construction 4–7 months suburban-core; 6–10 months on heritage-adjacent, river-frontage, or contamination-clearance sites.
Planning Controls — City of Parramatta Council
Parramatta LEP 2023 & Parramatta DCP 2023. The City of Parramatta is Sydney's geographic centre and second CBD — a four-tier LGA spanning R4 high-rise apartment cores (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre), R3 station-precinct medium density, R2 detached suburban cores (Carlingford, Oatlands, Northmead, Dundas, Dundas Valley, Ermington, Rydalmere, North Parramatta, Old Toongabbie), and industrial-legacy redevelopment parcels (Camellia, Rosehill fringe, Silverwater, Sydney Olympic Park). R2 Low Density: FSR 0.5–0.55:1, building height 9m, front setback 6–7.5m, landscaped area 35–45%, deep soil 25%. R3 Medium Density along station precincts and major road corridors permits FSR up to 0.85:1 with heights 12–15m. R4 High Density on the Parramatta CBD core, Westmead Health Precinct, Harris Park, Wentworth Point peninsula, Sydney Olympic Park, Telopea Renewal Precinct and Epping town centre permits FSR 2.5–6:1+ with heights 50–150m+ — Parramatta hosts Sydney's tallest residential and commercial towers outside the CBD. Parramatta DCP 2023 enforces 600m² R2 dual-occupancy minimum. Heritage Conservation Areas in pockets covering Parramatta CBD heritage core (St John's Cathedral, Lancer Barracks, Old Government House precinct), Harris Park (UNESCO Old Government House World Heritage buffer), North Parramatta (Cumberland Hospital state-significant precinct + Female Factory), Westmead Boys' Home / Cumberland Hospital, parts of Carlingford, Beecroft fringe, Epping village, Oatlands, Northmead, Federation streets in Dundas, Dundas Valley, Rydalmere riverfront. Old Government House and the Government Domain at Parramatta Park are UNESCO World Heritage — buffer-zone planning controls extend to adjoining streets in Harris Park, Parramatta CBD, North Parramatta and parts of Westmead. Tree Preservation Order LGA-wide. Wianamatta Shale soil predominant; Class P/E alluvial soil with elevated water table on the Parramatta River corridor (Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point, Camellia) requiring suspended slabs, Class P/E footings and dewatering on basement excavations. Industrial-legacy contamination management protocols apply to remediated parcels in Sydney Olympic Park (former Homebush Bay industrial/abattoir/Union Carbide), Wentworth Point (former industrial), Camellia (former Shell Oil refinery), Rosehill industrial fringe, Rydalmere (former industrial), Silverwater (current industrial transitioning) and Ermington (former Department of Defence, Boys Town). Riparian setbacks 10–60m on Parramatta River, Toongabbie Creek, Duck River and Parramatta River tributaries. Foreshore Building Line restrictions on direct waterfront in Wentworth Point, Sydney Olympic Park, Rydalmere, Ermington. Aircraft Noise overlays affect Sydney Olympic Park and Wentworth Point on the helicopter routes serving the Olympic Park heliport. Sydney Metro West (under construction, opening 2032) is the LGA's signature infrastructure event — stations at Parramatta CBD, Westmead, Sydney Olympic Park, Rosehill (planned) drive station-precinct redevelopment under specific 400m TOD overlays. Parramatta Light Rail Stage 1 (Carlingford–Westmead via Camellia–Rydalmere–Telopea–Dundas–Carlingford, opening 2024) anchors Stage-1 corridor R3/R4 redevelopment. Parramatta Light Rail Stage 2 (Parramatta CBD–Sydney Olympic Park via Camellia and Wentworth Point) opens further density precincts. Westmead Health Precinct (Westmead Hospital, The Children's Hospital, Westmead Private, Cumberland Hospital, Sydney Children's Hospital Network) anchors LGA employment with hospital-staff demand driving granny flat rental yield. Sydney Olympic Park is a master-planned event-and-residential precinct with apartment-only redevelopment under SREP 24 (Sydney Olympic Park) controls. Wentworth Point is a master-planned waterfront residential peninsula. Telopea Renewal is a UrbanGrowth NSW master-planned light-rail-corridor renewal precinct (post-war public housing replaced by 4,000+ apartment dwellings). Parramatta CBD is undergoing the largest commercial and residential tower redevelopment outside the Sydney CBD core — tallest residential tower outside Sydney CBD (Aspire Tower, 90 stories) and commercial towers Walker Corp, ATO, NSW Government precinct.
Knockdown-rebuild builder in Sydney Olympic Park — key facts
- Suburb
- Sydney Olympic Park, NSW 2127
- Council / LGA
- City of Parramatta Council (City of Parramatta)
- Primary zoning
- R2 Low / R3 Medium (station precincts) / R4 High (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre)
- Typical lot size
- N/A (apartment-led precinct)
- Soil class
- Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park
- Median house price
- $700K–$1.6M (apartments)
- Home era
- 2000s+ apartment towers
- 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 Sydney Olympic Park — Local Context
Ground Conditions That Affect Your Build
Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park is the rule across Sydney Olympic Park — extremely reactive clay. For your knockdown rebuild, expect engineered footings in the $45,000–$80,000 range. The variables that shift you up or down inside that band: building footprint, number of storeys, point loads (heavy stone benchtops, masonry feature walls), and whether the adjacent stormwater system needs upgrading. Sydney Olympic Park is close to Olympic Park (T7, in suburb) / Sydney Metro West (under construction) station — site access on tighter blocks adds a logistics premium, which is why we cost cranage and material delivery before signing, not after.
City of Parramatta Council & Approval Pathway
Sydney Olympic Park sits inside the City of Parramatta LGA, governed by City of Parramatta Council. For a knockdown rebuild, the approval question is usually CDC vs DA. Either CDC or DA can apply, depending on whether your design fits within the State Codes SEPP. We assess that before drawing anything. Either way, we manage submission, RFIs, and re-lodgement in-house — you don't deal with the council.
Where the Money Goes on a Sydney Olympic Park Rebuild
Cost breakdown for a typical rebuild in Sydney Olympic Park: structure and frame around 30%, slab and foundations 8–14% (driven by Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park soil), roofing and external 10–12%, services (plumbing, electrical, HVAC) 12–18%, fit-out (kitchen, bathrooms, joinery) 18–25%, and finishes (paint, tiles, flooring) 8–12%. The remaining 4–6% covers approvals, certifications, and site establishment. Buildana itemises every line so you see what you're paying for — no lump sums hiding margin.
Designing for the Sydney Olympic Park Streetscape
Sydney Olympic Park's housing stock is predominantly from the 2000s+ apartment towers. Olympic Park (T7, in suburb) / Sydney Metro West (under construction) station is the rail anchor for the suburb. The local anchor is ANZ Stadium + Sydney Showground + Olympic Park venues. For a knockdown rebuild, the streetscape question matters more than most builders admit — a brand-new double-storey on a street of single-storey 2000s+ apartment towers weatherboards will draw council attention on bulk and scale, even if technically compliant. Buildana designs the front elevation to read appropriately for the street while modernising the floor plan and structure behind it. Materials palette, roof pitch, fenestration rhythm — all chosen to settle into the existing rhythm rather than fight it.
Realistic Sydney Olympic Park Timeline
End-to-end timeline for a knockdown rebuild in Sydney Olympic Park, 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 (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park, 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 Sydney Olympic Park
2000s+ apartment towers Sydney Olympic Park homes are often asbestos-affected — not always, but often enough that the demolition quote should include contingency. AL/A-class licensed removal runs $8K–$25K on top of standard demolition. Any builder who doesn't flag this is either inexperienced or setting up a variation.
Service abolishment and reinstatement in Sydney Olympic Park typically costs $3K–$8K. Sydney Water cap-off, Endeavour Energy disconnection, gas cap. Cheap KDR quotes often bundle this into "demolition" as a line item worth $1K — which is wrong and gets billed later.
Sydney Olympic Park vs Nearby Suburbs
Sydney Olympic Park vs nearby suburbs — key metrics for knocking down and rebuilding.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| Sydney Olympic Park2127this suburb | $700K–$1.6M (apartments) | N/A (apartment-led precinct) | Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park | 2000s+ apartment towers | Olympic Park (T7, in suburb) / Sydney Metro West (under construction) |
| Wentworth Point2127 | $750K–$1.5M (apartments) | N/A (apartment-led precinct) | Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park | 2010s+ apartment towers | Olympic Park (T7, 1.5 km) / ferry to Circular Quay |
| Lidcombe2141 | $1.1M–$1.4M | 450–650m² | Class M | 1950s–1970s | Lidcombe |
| Concord West2138 | $2.0M–$3.8M | 450–800m² | Class M–H (Wianamatta Shale) / H (river/bay fall) | 1900s–1960s + apartments | Concord West (in suburb) |
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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How It Works
From First Call to Final Key
Everything that has to be right before we touch the ground. Free site inspection of your Sydney Olympic Park property. We check lot dimensions, City of Parramatta Council's planning controls, existing home condition, and potential asbestos. Written assessment with budget estimate within 5 business days. KDR is the chance to get the design right — the new build doesn't have to mimic the original layout. We start from your block's strengths (orientation, slope, views) and your family's brief, then design the home the original lot always deserved.
⏱The Sydney Olympic Park construction phase. Fixed price, programmed, supervised. Licensed demolition of existing 2000s+ apartment towers-era dwelling. Asbestos removal by certified contractors (if present). Site cleared, levelled, and ready for new slab. Typically 1–2 weeks. Your new home goes up on the cleared site. Engineered slab sized for Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park soil, frame, roof, fit-out, kitchen, bathrooms, flooring, painting, driveway, and landscaping. Quality inspections at every stage.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Handover pack: OC, structural certificates, BASIX, appliance manuals and warranties, paint colour schedule, maintenance plan, and the keys. Six-year structural warranty kicks in from OC date — keep the documentation safe for any future sale.
⏱Quality Promise
Sydney Olympic Park knockdown rebuild done cleanly: licensed demolition, compliant slab, new home built to NCC 2025. Fixed-price contract.
Cost Guide
| Item | Estimated Range |
|---|---|
| Single storey rebuild (150–200m²) | $500,000 – $710,000 |
| Double storey rebuild (200–300m²) | $710,000 – $1,100,000 |
| Premium rebuild (300m²+) | $1,100,000+ |
| Demolition (2000s+ apartment towers Sydney Olympic Park home) | $19,000 – $42,000 |
| Asbestos removal (if present) | $8,000 – $26,000 |
| Service disconnections & reinstatement | $3,000 – $8,000 |
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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Last updated: 1 April 2026
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