
Old Toongabbie Custom Home Builder — Local to the Job
Buildana builds custom homes in Old Toongabbie 2146 from our Fairfield office. We know City of Parramatta Council's controls, the 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, and the streets. Free consultation on your block.
Quick Answer
A custom home in Old Toongabbie costs $450,000–$1,200,000+ depending on size and specification. Single storey from $450K, double storey from $650K. Buildana manages design, City of Parramatta Council approvals and fixed-price construction.
Custom Home Builder in Old Toongabbie
Custom in Old Toongabbie is mid-tier suburban — 500–750m² R2 1960s–1980s brick stock. Realistic premium custom $3,000–$4,300/m².
For a custom home in Old Toongabbie, the economics are the framing question. Median price $1.3M–$1.8M; build cost on 500–750m² blocks scales by site conditions and specification. 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 ground (extremely reactive clay) keeps foundations honest — $45,000–$80,000 band — and blowouts on that line are the single most common reason fixed-price contracts elsewhere don't stay fixed. Buildana itemises the slab, structural engineering, and geotech work upfront so you see the actual cost in the contract. R3 zoning in pockets of Old Toongabbie opens up dual occupancy potential — worth exploring even if you're not initially considering it.
Buildana's design-and-construct service covers everything — from initial design brief and land assessment through to council approval and fixed-price construction. One builder, one contract, one point of contact.
Read our Complete Custom Home Guide or explore custom home builds across Sydney.
- Custom homes in Old Toongabbie from $450K
- Designed for your 500–750m² block
- City of Parramatta Council DA and CDC approvals managed
- Old Toongabbie zoned R2 Low / R3 Medium (station precincts) / R4 High (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre)
- Single and double storey designs
- 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 included
- 6-year structural warranty
- Free consultation — near Toongabbie (T1, 2 km) / bus to Parramatta station

Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Why Build a Custom Home in Old Toongabbie?
Old Toongabbie is the established suburb between Toongabbie and Winston Hills — 1960s–1980s brick on 500–750m² R2 lots. Wianamatta Shale soil. Quiet residential. Strong KDR and duplex market on the larger blocks. Bus connections to Parramatta.
Old Toongabbie's mix of 1960s–1980s-era housing on 500–750m² blocks creates strong opportunity for property improvement. Median prices of $1.3M–$1.8M support quality build investment. Transport access via Toongabbie (T1, 2 km) / bus to Parramatta connects Old Toongabbie to the wider Sydney network. Custom home construction here benefits from 500–750m² blocks that allow generous floor plans — single or double storey designs with proper setbacks and outdoor living. Soil conditions in Old Toongabbie (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.
Custom homes in the City of Parramatta span four distinct markets. The premium suburban tier — Oatlands (top-school King's School premium, 700–1,200m² R2 lots), Carlingford (Federation cottage replacements behind retained heritage facades on Beecroft Road and side streets, 600–900m² R2), Epping (premium Federation/inter-war replacements with R4 town-centre adjacency), parts of Northmead and North Parramatta with heritage-adjacent character work. The mid-tier suburban core — Dundas, Dundas Valley, Ermington, Rydalmere, Old Toongabbie, parts of Northmead — runs 500–800m² R2 lots with end values $1.5M–$2.4M, Wianamatta Shale soil and CDC pathways available. The river-corridor premium tier — direct Parramatta River frontage in Rydalmere, Ermington, parts of Telopea — runs Class P/E alluvial engineering, Foreshore Building Line consent, suspended slabs. The R4 apartment redevelopment core — Parramatta CBD, Westmead Health Precinct, Harris Park, Wentworth Point peninsula, Sydney Olympic Park, Telopea Renewal Precinct, Epping town centre — is apartment-only territory and runs through specialist tower developers. Sydney Metro West and Parramatta Light Rail Stage 1/2 station-precinct adjacency drives demand on Parramatta CBD, Westmead, Sydney Olympic Park, Rosehill, Camellia, Rydalmere, Telopea, Dundas, Carlingford. UNESCO Old Government House World Heritage buffer-zone controls on Harris Park, Parramatta CBD, North Parramatta, parts of Westmead. Industrial-legacy contamination clearance on Sydney Olympic Park, Wentworth Point, Camellia, Rosehill industrial fringe, Rydalmere, Ermington redevelopment parcels. Realistic premium custom $3,200–$4,800/m² for 280–450m² build on suburban-core; $4,200–$6,000/m² on Oatlands/Carlingford/Epping premium suburban; $5,000–$7,500/m² on direct river-frontage Rydalmere/Ermington/Telopea with Class P/E engineering and Foreshore Building Line consent. 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.
Custom home builder in Old Toongabbie — key facts
- Suburb
- Old Toongabbie, NSW 2146
- 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
- 500–750m²
- 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
- $1.3M–$1.8M
- Home era
- 1960s–1980s
- Typical price range
- $450,000 – $1,200,000+
- Typical timeline
- 12–20 months design to handover
- Approval pathway
- CDC fast-track (15 business days) or DA (40–90 days)
Building in Old Toongabbie — Local Context
What Old Toongabbie Soil Means for Your Custom home
Most blocks across Old Toongabbie (2146) classify as 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 clay. Translation for a custom home build: foundation cost lands somewhere between $45,000–$80,000, depending on building footprint and how the engineer reads the borehole. Reactive soils move with seasonal moisture. A waffle pod alone won't cut it on a 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 site — you need stiffened edge beams, sometimes piered footings, and careful detailing around wet areas to stop differential movement showing up as cracking. Buildana includes the geotech report, structural engineering, and slab design in every quote. No site allowance, no provisional sum.
City of Parramatta Planning Context
City of Parramatta has its own LEP and DCP layered over State planning controls. For building a custom home in Old Toongabbie, the practical impact: City of Parramatta Council's DCP sets local rules for streetscape character, materials palette in some precincts, vehicle crossover widths, and tree retention. R2 Low / R3 Medium (station precincts) / R4 High (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre) zoning on most Old Toongabbie blocks permits single dwellings, alterations, and additions. Buildana checks every overlay (heritage, bushfire, flood, acid sulfate soil, biodiversity) before quoting.
Old Toongabbie Build Economics
Old Toongabbie sits in the $1.3M–$1.8M price band, which is the framing for any custom home build decision. On a 500–750m² block here, the build-versus-buy maths usually favours new construction over deep renovation of older stock. Free Buildana feasibility runs the numbers against your actual block before any commitment.
Designing for the Old Toongabbie Streetscape
Old Toongabbie's housing stock is predominantly from the 1960s–1980s. Toongabbie (T1, 2 km) / bus to Parramatta from the nearest station. The local anchor is Old Toongabbie Public School. For a custom home build, the streetscape question matters more than most builders admit — a brand-new double-storey on a street of single-storey 1960s–1980s 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.
City of Parramatta Council Processing & Old Toongabbie Activity
City of Parramatta Council processes thousands of residential applications a year across the City of Parramatta LGA, and Old Toongabbie (2146) sits in the active end of that workload. For a custom home build, 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 Old Toongabbie
Old Toongabbie clients often ask about single vs double storey. Quick answer: on a 500–750m² block, double storey usually wins because it preserves backyard. But it adds $120K–$200K to the build, and the stairs make it less practical for owners planning to age in place. If retirement's in sight, a single-storey design with a future granny-flat attached is often smarter.
I've walked a lot of Old Toongabbie blocks. The thing most owners don't realise until we're standing on the site is how much the slope, neighbour fencing, and driveway approach shape the final home. A block that looks flat on a survey might need $8K of cut/fill. A "simple" frontage might have a 900mm kerb drop that blows the driveway budget. Site visit first, design second — that order matters.
Old Toongabbie vs Nearby Suburbs
Old Toongabbie vs nearby suburbs — key metrics for building a custom home.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| Old Toongabbie2146this suburb | $1.3M–$1.8M | 500–750m² | 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 | 1960s–1980s | Toongabbie (T1, 2 km) / bus to Parramatta |
| Toongabbie2146 | $1.0M–$1.3M | 450–650m² | Class M | 1950s–1970s | Toongabbie |
| Winston Hills2153 | $1.5M–$2.2M | 600–900m² | Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) | 1970s–1990s | Bus to Parramatta (T1, 5 km) / T-Way |
| Wentworthville2145 | $1.0M–$1.3M | 450–650m² | Class M | 1950s–1970s | Wentworthville |
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.
Have a question about your project?
Talk to our team — free site assessment and fixed-price quote.
How It Works
From First Call to Final Key
We start at the kerb. Before a single sketch, we stand on your Old Toongabbie block and work out what the land wants — sun path, slope, views, neighbours, the R2 Low / R3 Medium (station precincts) / R4 High (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre) envelope we've got to design inside. That walk determines almost every decision that follows.
⏱Design happens in layers. First the plan — where the kitchen is, how the bedrooms stack, what the morning routine looks like. Then the envelope — roof pitch, eave depth, window sizes matched to the Old Toongabbie climate. Then the finishes. Nothing gets drawn without a reason you can point to.
⏱Documentation is the unglamorous part, but it's where most projects go wrong. Engineering 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, BASIX 2025, City of Parramatta Council drawings, hydraulics, stormwater. We stage it so the certifier approves the first time — not the fourth.
⏱Then we build. Programme in hand, trades booked, material orders placed weeks before they're needed so nothing waits on delivery. Weekly update, monthly milestone walk, defects fixed as we go rather than collected at the end.
⏱Quality Promise
We build custom homes in Old Toongabbie the way they should be built — one contractor, fixed price, accountability at every stage.
Cost Guide
| Item | Estimated Range |
|---|---|
| Standard inclusions package | $440,000 – $680,000 |
| Upgraded inclusions (stone, engineered timber, 2.7m ceilings) | $680,000 – $920,000 |
| Premium finishes (natural stone, bespoke joinery, hydronic heating) | $920,000 – $1,260,000 |
| Luxury bespoke (architect finishes, pool, smart home) | $1,260,000+ |
| BASIX and NCC 2025 compliance | Included |
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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Liverpool, NSW
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Last updated: 1 July 2025
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