Helensburgh vs Waterfall: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/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 $292 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. The difference here isn't money — it's location, schools and lifestyle.
Get the free report: 10-year costs, flood & fire risk, crime, schools and overall verdict →Helensburgh
Waterfall
Annual cost breakdown
| Category | Helensburgh | Waterfall | Difference |
|---|---|---|---|
| Council rates | $1,819 | $1,617 | +$202 |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $6,751 | $6,661 | +$90 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,550 | $2,550 | - |
| Body corporate (unit) | $2,100 | $2,100 | - |
| Total (driving) | $12,668 | $12,376 | +$292 |
| Total (public transport) | $8,317 | $8,115 | +$202 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Helensburgh | Waterfall | Difference |
|---|---|---|---|
| House | $2,148 | $2,148 | - |
| Unit | $1,716 | $1,716 | - |
Estimated from AER residential benchmarks for each suburb's climate zone at 2025 rates (QLD 30c/kWh, NSW 33c/kWh incl. supply charge; 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 $292 of each other annually by car. Over ten years with 3% annual growth the gap reaches roughly $3,347, making running cost a minor factor in the decision.
The biggest single gap is council rates at $202 per year.
On public transport the gap is $202 per year, $8,317 from Helensburgh versus $8,115 from Waterfall.
10-year cumulative cost projection
| Year | Helensburgh cumulative | Waterfall cumulative | Difference |
|---|---|---|---|
| Year 1 | $12,668 | $12,376 | $292 |
| Year 3 | $39,156 | $38,253 | $903 |
| Year 5 | $67,256 | $65,706 | $1,550 |
| Year 10 | $145,224 | $141,877 | $3,347 |
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 $12,376 per year versus $12,668 for Helensburgh, a difference of $292 annually. Figures cover council rates, water, commute (ATO 88c/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 $6,751 from Helensburgh and $6,661 from Waterfall to Sydney CBD (ATO 88c/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 $145,224 and Waterfall costs $141,877 over 10 years by car. The cumulative difference is $3,347 in favour of Waterfall. Excludes purchase price, mortgage, and personal expenses.
Which of Helensburgh and Waterfall is best to actually live in?
You've got the costs. Get the free personalised report for the rest: a clear verdict on which suburb wins, the full flood, fire and crime risk profile, nearest schools, estimated electricity cost by number of occupants, and your own loan or rent stress-tested over 10 years. No spam.
Related comparisons
Sources: Wollongong rates (OLG and Sutherland rates (OLG rate data, water utility pricing (QLD: Queensland Urban Utilities / Unitywater; NSW: Sydney Water / Hunter Water), ATO 88c/km, and SuburbCost AI insurance estimates. Data updated July 2026.