Barden Ridge vs Woronora Heights, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Barden Ridge and Woronora Heights are both Sutherland rates (OLG suburbs, sitting 26.7 km and 24.8 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Barden Ridge runs $363 a year cheaper than Woronora Heights, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $4,161.
Over 10 years the gap between these two is about $4,200, about $8 a week, and most of it is the AI-estimated insurance line.
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Woronora Heights
Annual cost breakdown
| Category | Barden Ridge | Woronora Heights | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,617 | $1,617 | - |
| Water & sewerage Official, 2026-27 | $1,548 | $1,548 | - |
| Commute (driving) Modelled, 2026-27 | $6,216 | $5,979 | +$237 |
| Commute (public transport) Modelled, 2026-27 | $2,400 | $2,400 | - |
| Home insurance Estimated | $1,550 | $2,150 | -$600 |
| Body corporate (unit) Estimated | $2,100 | $2,300 | -$200 |
| Total (driving) | $10,931 | $11,294 | -$363 |
| Total (public transport) | $7,115 | $7,715 | -$600 |
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 | Barden Ridge | Woronora Heights | Difference |
|---|---|---|---|
| House | $2,342 | $2,342 | - |
| Unit | $1,909 | $1,909 | - |
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, Barden Ridge vs Woronora Heights (2026-27)
What the numbers show
Barden Ridge and Woronora Heights differ by $363 a year by car, but $600 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 $237, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $600 per year. Woronora Heights carries medium flood risk, which pushes estimated premiums higher.
On public transport the gap is $600 per year, $7,115 from Barden Ridge versus $7,715 from Woronora Heights.
Where the difference actually comes from
- Council rates is identical at $1,617 a year.
- Water and sewerage is identical at $1,548 a year.
- Driving commute favours Woronora Heights by $237 a year, $5,979 against $6,216.
- Building insurance favours Barden Ridge by $600 a year, $1,550 against $2,150.
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.
Flood risk is rated medium in Woronora Heights against low in Barden Ridge, which feeds the insurance estimate. Fire risk is rated high in Woronora Heights against medium in Barden Ridge, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Barden Ridge cumulative | Woronora Heights cumulative | Difference |
|---|---|---|---|
| Year 1 | $10,931 | $11,294 | $363 |
| Year 3 | $33,787 | $34,909 | $1,122 |
| Year 5 | $58,034 | $59,961 | $1,927 |
| Year 10 | $125,312 | $129,473 | $4,161 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Barden Ridge or Woronora Heights cheaper to live in?
Neither is named cheaper. Barden Ridge runs $10,931 a year by car and Woronora Heights $11,294, but most of the $363 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $237. Source: SuburbCost 2026 data.
What are council rates in Barden Ridge and Woronora Heights?
Annual council rates for a house are $1,617 in Barden Ridge (Sutherland rates (OLG) and $1,617 in Woronora Heights (Sutherland rates (OLG). Water and sewerage adds $1,548 in Barden Ridge and $1,548 in Woronora Heights. 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 Barden Ridge and Woronora Heights?
Annual driving commute costs are $6,216 from Barden Ridge and $5,979 from Woronora Heights to Sydney CBD (ATO 91c/km). Public transport costs $2,400 from Barden Ridge and $2,400 from Woronora Heights.
What is the 10-year cost difference between Barden Ridge and Woronora Heights?
At 3% annual cost growth, Barden Ridge costs a cumulative $125,312 and Woronora Heights costs $129,473 over 10 years by car. The cumulative difference is $4,161 in favour of Barden Ridge. Excludes purchase price, mortgage, and personal expenses.
Which of Barden Ridge and Woronora Heights suits you better?
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Sources: Sutherland rates (OLG and Sutherland 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.