Dean Park vs Nirimba Fields, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Dean Park and Nirimba Fields are both Blacktown City Council rates (IPART approved SRV, 11.54% adopted for suburbs, sitting 35 km and 35.6 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Nirimba Fields runs $425 a year cheaper than Dean Park, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $4,872.
Over 10 years the gap between these two is about $4,900, about $9 a week, and most of it is the AI-estimated insurance line.
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Nirimba Fields
Annual cost breakdown
| Category | Dean Park | Nirimba Fields | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,360 | $1,360 | - |
| Water & sewerage Official, 2026-27 | $1,548 | $1,548 | - |
| Commute (driving) Modelled, 2026-27 | $6,880 | $6,905 | -$25 |
| Commute (public transport) Modelled, 2026-27 | $2,400 | $2,400 | - |
| Home insurance Estimated | $2,300 | $1,850 | +$450 |
| Body corporate (unit) Estimated | $2,100 | $2,100 | - |
| Total (driving) | $12,088 | $11,663 | +$425 |
| Total (public transport) | $7,608 | $7,158 | +$450 |
Totals exclude electricity, estimated separately below. Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance estimated from ACCC premium rates; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Dean Park | Nirimba Fields | Difference |
|---|---|---|---|
| House | $2,720 | $2,720 | - |
| Unit | $2,209 | $2,209 | - |
Estimated from AER residential benchmarks for each suburb's climate zone at 2026-27 regulated prices for each suburb's electricity network, including supply charge (AER Default Market Offer caps, or the QCA price in regional Queensland; unit ≈ 75% of a house). Get the free report for a breakdown by your exact number of occupants.
Cost breakdown chart
Annual cost breakdown, Dean Park vs Nirimba Fields (2026-27)
What the numbers show
Dean Park and Nirimba Fields differ by $425 a year by car, but $450 of that is the building insurance estimate rather than a published figure. On the sourced costs, council rates, water and the commute, the gap is $25, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $450 per year. Dean Park carries medium flood risk, which pushes estimated premiums higher.
On public transport the gap is $450 per year, $7,608 from Dean Park versus $7,158 from Nirimba Fields.
Where the difference actually comes from
- Council rates is identical at $1,360 a year.
- Water and sewerage is identical at $1,548 a year.
- Driving commute favours Dean Park by $25 a year, $6,880 against $6,905.
- Building insurance favours Nirimba Fields by $450 a year, $1,850 against $2,300.
Both suburbs sit in the same council area, so the rates line is identical and none of the difference between them comes from council. What separates them is commute distance and the insurance band.
The catchment state school scores 9.2 in Nirimba Fields against 5.9 in Dean Park, on ACARA's ICSEA percentile scaled to ten.
10-year cumulative cost projection
| Year | Dean Park cumulative | Nirimba Fields cumulative | Difference |
|---|---|---|---|
| Year 1 | $12,088 | $11,663 | $425 |
| Year 3 | $37,363 | $36,049 | $1,314 |
| Year 5 | $64,177 | $61,920 | $2,257 |
| Year 10 | $138,575 | $133,703 | $4,872 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Dean Park or Nirimba Fields cheaper to live in?
Neither is named cheaper. Dean Park runs $12,088 a year by car and Nirimba Fields $11,663, but most of the $425 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $25. Source: SuburbCost 2026 data.
What are council rates in Dean Park and Nirimba Fields?
Annual council rates for a house are $1,360 in Dean Park (Blacktown City Council rates (IPART approved SRV, 11.54% adopted for) and $1,360 in Nirimba Fields (Blacktown City Council rates (IPART approved SRV, 11.54% adopted for). Water and sewerage adds $1,548 in Dean Park and $1,548 in Nirimba Fields. Both figures are the average residential rate reported to the Office of Local Government, uplifted by each council's IPART rate peg.
How does the commute cost compare between Dean Park and Nirimba Fields?
Annual driving commute costs are $6,880 from Dean Park and $6,905 from Nirimba Fields to Sydney CBD (ATO 91c/km). Public transport costs $2,400 from Dean Park and $2,400 from Nirimba Fields.
What is the 10-year cost difference between Dean Park and Nirimba Fields?
At 3% annual cost growth, Dean Park costs a cumulative $138,575 and Nirimba Fields costs $133,703 over 10 years by car. The cumulative difference is $4,872 in favour of Nirimba Fields. Excludes purchase price, mortgage, and personal expenses.
Which of Dean Park and Nirimba Fields suits you better?
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Sources: Blacktown City Council rates (IPART approved SRV, 11.54% adopted for and Blacktown City Council rates (IPART approved SRV, 11.54% adopted for rate data, water utility pricing (QLD: Queensland Urban Utilities / Unitywater; NSW: Sydney Water / Hunter Water), ATO 91c/km, and SuburbCost insurance estimates from ACCC premium rates. Data updated July 2026.