Helensburgh vs Waterfall, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Helensburgh (Wollongong rates (OLG) and Waterfall (Sutherland rates (OLG) attract comparison from buyers considering suburbs across different council areas at similar distances from Sydney CBD (38.7 km and 35.2 km).
The two sit within $95 a year of each other to run, so running cost is a minor factor here. The decision comes down to schools, risk and lifestyle, all in the free report.
Over 10 years these two cost about the same to run.
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Waterfall
Annual cost breakdown
| Category | Helensburgh | Waterfall | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,819 | $1,617 | +$202 |
| Water & sewerage Official, 2026-27 | $1,548 | $1,548 | - |
| Commute (driving) Modelled, 2026-27 | $6,981 | $6,888 | +$93 |
| Commute (public transport) Modelled, 2026-27 | $2,400 | $2,400 | - |
| Home insurance Estimated | $1,650 | $1,850 | -$200 |
| Body corporate (unit) Estimated | $2,100 | $2,100 | - |
| Total (driving) | $11,998 | $11,903 | +$95 |
| Total (public transport) | $7,417 | $7,415 | +$2 |
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 | Helensburgh | Waterfall | Difference |
|---|---|---|---|
| House | $2,442 | $2,342 | +$100 |
| Unit | $2,001 | $1,909 | +$92 |
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, Helensburgh vs Waterfall (2026-27)
What the numbers show
Helensburgh and Waterfall cost within $95 of each other annually by car. Over ten years with 3% annual growth the gap reaches roughly $1,089, making running cost a minor factor in the decision.
The biggest single gap is council rates at $202 per year.
On public transport the two suburbs cost almost the same, $7,417 and $7,415 a year, so the $95 driving gap nearly closes if you commute by public transport.
Where the difference actually comes from
- Council rates favours Waterfall by $202 a year, $1,617 against $1,819.
- Water and sewerage is identical at $1,548 a year.
- Driving commute favours Waterfall by $93 a year, $6,888 against $6,981.
- Building insurance favours Helensburgh by $200 a year, $1,650 against $1,850.
They sit in different council areas, so the rates line is set by two different councils. For NSW that figure is the average residential rate reported to the Office of Local Government, uplifted by that council's IPART rate peg.
10-year cumulative cost projection
| Year | Helensburgh cumulative | Waterfall cumulative | Difference |
|---|---|---|---|
| Year 1 | $11,998 | $11,903 | $95 |
| Year 3 | $37,085 | $36,791 | $294 |
| Year 5 | $63,699 | $63,195 | $504 |
| Year 10 | $137,544 | $136,455 | $1,089 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Helensburgh or Waterfall cheaper to live in?
Waterfall is cheaper to run by car at $11,903 per year versus $11,998 for Helensburgh, a difference of $95 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Helensburgh and Waterfall?
Annual council rates for a house are $1,819 in Helensburgh (Wollongong rates (OLG) and $1,617 in Waterfall (Sutherland rates (OLG). Water and sewerage adds $1,548 in Helensburgh and $1,548 in Waterfall. 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 Helensburgh and Waterfall?
Annual driving commute costs are $6,981 from Helensburgh and $6,888 from Waterfall to Sydney CBD (ATO 91c/km). Public transport costs $2,400 from Helensburgh and $2,400 from Waterfall.
What is the 10-year cost difference between Helensburgh and Waterfall?
At 3% annual cost growth, Helensburgh costs a cumulative $137,544 and Waterfall costs $136,455 over 10 years by car. The cumulative difference is $1,089 in favour of Waterfall. Excludes purchase price, mortgage, and personal expenses.
Which of Helensburgh and Waterfall suits you better?
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Sources: Wollongong 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.