Granny Flat Builder Wentworth Point — From $150K Fixed Price
Fixed-price granny flat construction in Wentworth Point 2127. 1-bed from $150K, 2-bed from $185K. CDC approval, City of Parramatta Council compliant. No hidden extras.
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A granny flat in Wentworth Point costs $150,000–$300,000+ depending on size and finishes. 1-bed from $150K, 2-bed from $200K. CDC fast-track approval in 10–15 business days. Buildana manages design, City of Parramatta Council approval and fixed-price construction.
Wentworth Point Granny Flat Construction — Fixed Price
Granny flat in Wentworth Point is not applicable — master-planned R4 waterfront apartment peninsula, no detached stock.
Practical realities of building a granny flat in Wentworth Point: Nearest rail is Olympic Park (T7, 1.5 km) / ferry to Circular Quay, which influences site access during construction (deliveries, cranage, skip placement). N/A (apartment-led precinct) blocks usually have enough room for proper site set-up, but tight battle-axe lots and narrow frontages need staging plans factored into the build program. City of Parramatta Council processes a steady volume of residential applications — clean documentation moves fast, and Buildana lodges everything at full standard the first time. 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) sets foundation cost in the $45,000–$80,000 range; budget allocation for that line item is fixed in your contract, not estimated.
Buildana manages the full granny flat process in Wentworth Point — from site assessment and CDC fast-track approval through to fixed-price construction and handover. We build studio, 1-bedroom, and 2-bedroom designs up to the NSW maximum of 60m².
Read our Complete Granny Flat Guide or explore granny flat builds across Sydney.
- Granny flats in Wentworth Point from $150K
- CDC fast-track approval (10–15 business days)
- N/A (apartment-led precinct) blocks — most qualify for 60m² granny flat
- Wentworth Point zoned R2 Low / R3 Medium (station precincts) / R4 High (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre)
- Fixed-price contract — design to handover
- 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
- Rental yield $520–$750/week (Westmead Health Precinct demand drives premium) in Wentworth Point
- Free site assessment — near Olympic Park (T7, 1.5 km) / ferry to Circular Quay station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Why Build a Granny Flat in Wentworth Point?
Wentworth Point is the master-planned waterfront residential precinct on the former Homebush Bay industrial site — R4 high-rise apartment towers built 2010s onwards on 300–500m² strata blocks. No detached stock. Wianamatta Shale and reclaimed alluvial soil. Heavy industrial-legacy contamination management on remediated parcels. Bennelong Bridge and ferry to the CBD.
As one of Western Sydney's newer residential areas, Wentworth Point offers contemporary streetscapes with modern infrastructure. N/A (apartment-led precinct) lots with R2 Low / R3 Medium (station precincts) / R4 High (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre) zoning. Transport access via Olympic Park (T7, 1.5 km) / ferry to Circular Quay connects Wentworth Point to the wider Sydney network. Secondary dwellings on N/A (apartment-led precinct) blocks deliver rental returns of $520–$750/week (Westmead Health Precinct demand drives premium) per week. CDC approval through a private certifier typically takes 10–15 business days. 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) is standard for Wentworth Point — Buildana includes engineered slab design in every quote.
Granny flats in the City of Parramatta deliver some of Sydney's strongest hospital-and-rail-driven yields — $520–$750/week typical, $650–$850/week in Westmead and North Parramatta driven by Westmead Health Precinct staff demand (Westmead Hospital, The Children's Hospital, Westmead Private, Cumberland Hospital), and $600–$800/week in Carlingford, Epping, Oatlands driven by top-school and rail/metro station premium. Block sizes 500–900m² across the suburban core (Carlingford, Northmead, Dundas, Dundas Valley, Ermington, Old Toongabbie, North Parramatta, parts of Oatlands and Rydalmere) generally accommodate compliant 60m² siting. Wianamatta Shale soil predominant with minimal rock excavation; Class P/E alluvial soil on Parramatta River corridor (Rydalmere, Ermington, parts of Telopea) requires suspended slabs, Class P/E footings and dewatering — build cost premium $25K–$60K. Industrial-legacy contamination clearance required on Sydney Olympic Park, Wentworth Point, Camellia, Rosehill industrial fringe, Rydalmere, Ermington redevelopment parcels — SEPP 55 protocols add 3–6 months pre-build. Heritage Conservation Areas restrict granny flat placement on the Parramatta CBD heritage core, Harris Park UNESCO buffer, North Parramatta Cumberland Hospital precinct, Federation streets in Dundas, Dundas Valley, parts of Carlingford, Epping village, Oatlands, Northmead, Rydalmere riverfront. Tree Preservation Order strict — AS4970 root-zone protection plans routine on protected canopy trees. Riparian setbacks 10–60m on Parramatta River, Toongabbie Creek, Duck River and tributaries. Foreshore Building Line restrictions on direct waterfront. CDC available outside heritage/contamination/foreshore zones on compliant lots; otherwise full DA. Realistic build cost $200K–$330K for premium 60m² inland; $240K–$400K on Class P/E river-corridor 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.
Granny flat builder in Wentworth Point — key facts
- Suburb
- Wentworth Point, 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
- $750K–$1.5M (apartments)
- Home era
- 2010s+ apartment towers
- Typical price range
- $150,000 – $300,000+
- Typical timeline
- 4–6 months design to handover
- Approval pathway
- CDC via NSW Affordable Rental Housing SEPP (10–15 days)
Building in Wentworth Point — Local Context
Site & Ground Conditions in Wentworth Point
Wentworth Point sits on 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. For a granny flat, 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 N/A (apartment-led precinct) blocks here. Geotechnical testing isn't optional — every Buildana secondary dwelling in Wentworth Point 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 Wentworth Point's topography can collect water against rear setbacks if the contour survey is sloppy.
What City of Parramatta Council Wants to See
Approval in Wentworth Point comes down to documentation quality. City of Parramatta 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 (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. For CDC, you also need to demonstrate compliance with every clause of the State Environmental Planning Policy (Exempt and Complying Development Codes) 2008. We prepare every document at full lodgement standard the first time.
Cost vs Value in Wentworth Point
Median sale price in Wentworth Point is $750K–$1.5M (apartments). For a secondary dwelling, the decision tree runs through three numbers: build cost, expected post-completion value, and how long you plan to hold. Granny flat at $150K–$260K build cost generates $520–$750/week (Westmead Health Precinct demand drives premium) weekly rental — gross yield 6–9% before holding costs, with the parent property usually picking up $80K–$150K in capital uplift. We map this in feasibility before you commit.
Wentworth Point Housing Stock & What That Means
Most homes in Wentworth Point were built 2010s+ apartment towers. Modern homes in this era generally have no asbestos, though survey is still standard before any major works.
Why Some Wentworth Point Builds Stall
Builds in Wentworth Point stall for predictable reasons. Lodgement defects (missing BASIX, wrong drawing scale, undeclared overlays). Soil surprises on 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 when the builder didn't commission a borehole upfront. Variation creep when the contract was light on inclusions. Trade scheduling gaps when the builder is over-committed across too many sites. City of Parramatta Council delays when neighbour objection triggers committee review. Buildana protects against each of these at contract stage — fully documented lodgement pack, geotech in the price, itemised inclusions instead of allowances, and a tight project-manager-to-job ratio that keeps trades moving.
Builder's Take on Wentworth Point
Rental yield on a Wentworth Point granny flat typically sits around 8–11% gross — often stronger than the main dwelling in percentage terms. The $200K–$260K build returns $18K–$28K per year in gross rent. Even after expenses, it clears comfortably.
Detached vs attached in Wentworth Point: if your block is deeper than 30m, detached almost always wins. Separate entry, independent outdoor space, cleaner rental listing. Attached only makes sense when the block is too narrow to get a detached past the 900mm setback.
Wentworth Point vs Nearby Suburbs
Wentworth Point vs nearby suburbs — key metrics for building a granny flat.
| Suburb | Median Price | Typical Lot | Soil Class | GF Rental | Station |
|---|---|---|---|---|---|
| Wentworth Point2127this suburb | $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 | $520–$750/week (Westmead Health Precinct demand drives premium) | Olympic Park (T7, 1.5 km) / ferry to Circular Quay |
| Sydney Olympic Park2127 | $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 | $520–$750/week (Westmead Health Precinct demand drives premium) | Olympic Park (T7, in suburb) / Sydney Metro West (under construction) |
| Rhodes2138 | $1.4M–$2.5M (apartments dominant) | 150–500m² | Class M–H (Wianamatta Shale) / H (river/bay fall) | $550–$850/week | Rhodes (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
Free on-site assessment of your Wentworth Point property. We measure setbacks, check existing services, assess access, and confirm your N/A (apartment-led precinct) block meets City of Parramatta Council's requirements for a secondary dwelling.
⏱60m² sounds tight on paper but designs well — high ceilings, good cross-ventilation, smart storage, and proper bedroom proportions make a 2-bed feel generous. We design for daily liveability, not just floor plan compliance.
⏱CDC fast-track through a private certifier — typically approved in 10–15 business days. Wentworth Point is zoned R2 Low / R3 Medium (station precincts) / R4 High (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre).
⏱Your granny flat is built from slab to keys in a single programme. Engineered slab 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, lock-up, fit-out, painting, flooring, and external works.
⏱Defect-free inspection means we don't hand over a list to chase — every snag is fixed before keys move. Final clean, electrical and plumbing tested, smoke alarms certified, BASIX commissioning verified.
⏱Quality Promise
Every Buildana granny flat in Wentworth Point is built under a fixed-price contract with full Wentworth Point council compliance and a 6-year structural warranty.
Cost Guide
| Item | Estimated Range |
|---|---|
| Rental income model (Wentworth Point 1-bed) | $190,000 – $240,000 |
| Family member (dependent living) | $210,000 – $270,000 |
| Teenager retreat / adult child | $180,000 – $230,000 |
| Home office / short-stay | $170,000 – $220,000 |
| Future main dwelling (build granny first, big house later) | $220,000 – $280,000 |
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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Liverpool, NSW
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Last updated: 1 July 2025
Wentworth Point Granny Flat — Free Site Check
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