Cordeaux Heights vs Unanderra: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Cordeaux Heights and Unanderra are both Wollongong rates (OLG suburbs, sitting 73.2 km and 73.8 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
The two sit within $175 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 →Cordeaux Heights
Unanderra
Annual cost breakdown
| Category | Cordeaux Heights | Unanderra | Difference |
|---|---|---|---|
| Council rates | $1,819 | $1,819 | - |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $3,092 | $3,117 | -$25 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,000 | $2,150 | -$150 |
| Body corporate (unit) | $1,800 | $1,800 | - |
| Total (driving) | $8,459 | $8,634 | -$175 |
| Total (public transport) | $7,767 | $7,917 | -$150 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Cordeaux Heights | Unanderra | 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 — Cordeaux Heights vs Unanderra (2026-27)
What the numbers show
Cordeaux Heights and Unanderra cost within $175 of each other annually by car. Over ten years with 3% annual growth the gap reaches roughly $2,006, making running cost a minor factor in the decision.
The biggest single gap is home insurance at $150 per year. Unanderra carries medium flood risk, which pushes estimated premiums higher.
On public transport the two suburbs cost almost the same, $7,767 and $7,917 a year, so the $175 driving gap nearly closes if you commute by public transport.
10-year cumulative cost projection
| Year | Cordeaux Heights cumulative | Unanderra cumulative | Difference |
|---|---|---|---|
| Year 1 | $8,459 | $8,634 | $175 |
| Year 3 | $26,146 | $26,687 | $541 |
| Year 5 | $44,910 | $45,839 | $929 |
| Year 10 | $96,973 | $98,979 | $2,006 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Cordeaux Heights or Unanderra cheaper to live in?
Cordeaux Heights is cheaper to run by car at $8,459 per year versus $8,634 for Unanderra, a difference of $175 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Cordeaux Heights and Unanderra?
Annual council rates for a house are $1,819 in Cordeaux Heights (Wollongong rates (OLG) and $1,819 in Unanderra (Wollongong rates (OLG). Water and sewerage adds $1,548 in Cordeaux Heights and $1,548 in Unanderra. 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 Cordeaux Heights and Unanderra?
Annual driving commute costs are $3,092 from Cordeaux Heights and $3,117 from Unanderra to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Cordeaux Heights and $2,400 from Unanderra.
What is the 10-year cost difference between Cordeaux Heights and Unanderra?
At 3% annual cost growth, Cordeaux Heights costs a cumulative $96,973 and Unanderra costs $98,979 over 10 years by car. The cumulative difference is $2,006 in favour of Cordeaux Heights. Excludes purchase price, mortgage, and personal expenses.
Which of Cordeaux Heights and Unanderra 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 Wollongong 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.