Big Ridge vs Sedgefield, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Big Ridge and Sedgefield are both Singleton rates (OLG suburbs, and are commonly compared by buyers weighing up running costs within the same council area.
Big Ridge runs $350 a year cheaper than Sedgefield, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $4,012.
Over 10 years the gap between these two is about $4,000, about $8 a week, and most of it is the AI-estimated insurance line.
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Sedgefield
Annual cost breakdown
| Category | Big Ridge | Sedgefield | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,341 | $1,341 | - |
| Water & sewerage Estimated | $1,300 | $1,300 | - |
| Commute (driving) Modelled, 2026-27 | $18,200 | $18,200 | - |
| Commute (public transport) Modelled, 2026-27 | $18,200 | $18,200 | - |
| Home insurance Estimated | $1,850 | $2,200 | -$350 |
| Body corporate (unit) Estimated | $1,800 | $1,800 | - |
| Total (driving) | $22,691 | $23,041 | -$350 |
| Total (public transport) | $22,691 | $23,041 | -$350 |
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 | Big Ridge | Sedgefield | Difference |
|---|---|---|---|
| House | $2,615 | $2,615 | - |
| Unit | $2,113 | $2,113 | - |
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, Big Ridge vs Sedgefield (2026-27)
What the numbers show
Big Ridge and Sedgefield differ by $350 a year by car, but $350 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 $0, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $350 per year. Sedgefield carries medium flood risk, which pushes estimated premiums higher.
On public transport the gap is $350 per year, $22,691 from Big Ridge versus $23,041 from Sedgefield.
Where the difference actually comes from
- Council rates is identical at $1,341 a year.
- Water and sewerage is identical at $1,300 a year.
- Driving commute is identical at $18,200 a year.
- Building insurance favours Big Ridge by $350 a year, $1,850 against $2,200.
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 the insurance band.
Fire risk is rated high in Sedgefield against medium in Big Ridge, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Big Ridge cumulative | Sedgefield cumulative | Difference |
|---|---|---|---|
| Year 1 | $22,691 | $23,041 | $350 |
| Year 3 | $70,136 | $71,217 | $1,081 |
| Year 5 | $120,470 | $122,328 | $1,858 |
| Year 10 | $260,127 | $264,139 | $4,012 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Big Ridge or Sedgefield cheaper to live in?
Neither is named cheaper. Big Ridge runs $22,691 a year by car and Sedgefield $23,041, but most of the $350 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $0. Source: SuburbCost 2026 data.
What are council rates in Big Ridge and Sedgefield?
Annual council rates for a house are $1,341 in Big Ridge (Singleton rates (OLG) and $1,341 in Sedgefield (Singleton rates (OLG). Water and sewerage adds $1,300 in Big Ridge and $1,300 in Sedgefield. 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 Big Ridge and Sedgefield?
Big Ridge carries a flat regional driving allowance of $18,200, about 20,000 km of household driving a year, because it is more than 100 km from Sydney CBD. Sedgefield carries a flat regional driving allowance of $18,200, about 20,000 km of household driving a year, because it is more than 100 km from Sydney CBD. No daily public transport commute is assumed from either suburb, so both are costed by car.
What is the 10-year cost difference between Big Ridge and Sedgefield?
At 3% annual cost growth, Big Ridge costs a cumulative $260,127 and Sedgefield costs $264,139 over 10 years by car. The cumulative difference is $4,012 in favour of Big Ridge. Excludes purchase price, mortgage, and personal expenses.
Which of Big Ridge and Sedgefield suits you better?
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Sources: Singleton rates (OLG and Singleton rates (OLG 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.