Comerong Island vs Shoalhaven Heads: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Comerong Island and Shoalhaven Heads are both Shoalhaven rates (OLG suburbs, and are commonly compared by buyers weighing up running costs within the same council area.
Shoalhaven Heads runs $11,639 a year cheaper than Comerong Island, driven mostly by the commute. Over 10 years at 3% growth that gap compounds to about $133,428.
Over 10 years, Shoalhaven Heads costs about $133,400 less to run than Comerong Island — the same as paying $133,400 less for the home. It's the cost no listing shows you.
Get the free report: 10-year costs, flood & fire risk, crime, schools and overall verdict →Comerong Island
Shoalhaven Heads
Annual cost breakdown
| Category | Comerong Island | Shoalhaven Heads | Difference |
|---|---|---|---|
| Council rates | $1,547 | $1,547 | - |
| Water & sewerage | $1,300 | $1,300 | - |
| Commute (driving) | $18,200 | $6,561 | +$11,639 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $3,100 | $3,100 | - |
| Body corporate (unit) | $1,800 | $1,800 | - |
| Total (driving) | $24,147 | $12,508 | +$11,639 |
| Total (public transport) | $8,347 | $8,347 | - |
Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Comerong Island | Shoalhaven Heads | Difference |
|---|---|---|---|
| House | $2,720 | $2,720 | - |
| Unit | $2,209 | $2,209 | - |
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 — Comerong Island vs Shoalhaven Heads (2026-27)
What the numbers show
Shoalhaven Heads costs $11,639 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $133,428 in favour of Shoalhaven Heads.
The biggest single gap is commute costs at $11,639 per year. Comerong Island is more than 100 km from Sydney CBD, so its driving figure is a flat regional allowance of about 20,000 km of household driving a year rather than a commute.
On public transport the two suburbs cost almost the same, $8,347 and $8,347 a year, so the $11,639 driving gap nearly closes if you commute by public transport.
Where the difference actually comes from
- Council rates is identical at $1,547 a year.
- Water and sewerage is identical at $1,300 a year.
- Driving commute favours Shoalhaven Heads by $11,639 a year, $6,561 against $18,200.
- Building insurance is identical at $3,100 a year.
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.
The catchment state school scores 6.5 in Shoalhaven Heads against 4.6 in Comerong Island, on ACARA's ICSEA percentile scaled to ten.
10-year cumulative cost projection
| Year | Comerong Island cumulative | Shoalhaven Heads cumulative | Difference |
|---|---|---|---|
| Year 1 | $24,147 | $12,508 | $11,639 |
| Year 3 | $74,636 | $38,661 | $35,975 |
| Year 5 | $128,200 | $66,407 | $61,793 |
| Year 10 | $276,818 | $143,390 | $133,428 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Comerong Island or Shoalhaven Heads cheaper to live in?
Shoalhaven Heads is cheaper to run by car at $12,508 per year versus $24,147 for Comerong Island, a difference of $11,639 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Comerong Island and Shoalhaven Heads?
Annual council rates for a house are $1,547 in Comerong Island (Shoalhaven rates (OLG) and $1,547 in Shoalhaven Heads (Shoalhaven rates (OLG). Water and sewerage adds $1,300 in Comerong Island and $1,300 in Shoalhaven Heads. 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 Comerong Island and Shoalhaven Heads?
Comerong Island 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. Shoalhaven Heads is $6,561 a year to drive to Wollongong CBD (ATO 91c/km). Public transport costs $2,400 from Comerong Island and $2,400 from Shoalhaven Heads.
What is the 10-year cost difference between Comerong Island and Shoalhaven Heads?
At 3% annual cost growth, Comerong Island costs a cumulative $276,818 and Shoalhaven Heads costs $143,390 over 10 years by car. The cumulative difference is $133,428 in favour of Shoalhaven Heads. Excludes purchase price, mortgage, and personal expenses.
Which of Comerong Island and Shoalhaven Heads 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: Shoalhaven rates (OLG and Shoalhaven rates (OLG rate data, water utility pricing (QLD: Queensland Urban Utilities / Unitywater; NSW: Sydney Water / Hunter Water), ATO 91c/km, and SuburbCost AI insurance estimates. Data updated July 2026.