Cornubia vs Tanah Merah, true annual running costs compared 2026
Last updated July 2026 · council rates 2026-27 (QLD), ATO 91c/km, Translink fares, AER electricity benchmarks
Cornubia and Tanah Merah are both Logan City Council suburbs, sitting 28 km and 26.6 km from Brisbane CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
The two sit within $250 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, Cornubia costs about $2,900 less to run than Tanah Merah. That's about $6 a week.
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Tanah Merah
Annual cost breakdown
| Category | Cornubia | Tanah Merah | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,699 | $2,204 | -$505 |
| Water & sewerage Official, 2026-27 | $2,149 | $2,149 | - |
| Commute (driving) Modelled, 2026-27 | $6,360 | $6,205 | +$155 |
| Commute (public transport) Modelled, 2026-27 | $192 | $192 | - |
| Home insurance Estimated | $2,250 | $2,150 | +$100 |
| Body corporate (unit) Estimated | $2,200 | $2,200 | - |
| Total (driving) | $12,458 | $12,708 | -$250 |
| Total (public transport) | $6,290 | $6,695 | -$405 |
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: minimum residential general rate (QLD).
| Dwelling | Cornubia | Tanah Merah | Difference |
|---|---|---|---|
| House | $2,135 | $2,135 | - |
| Unit | $1,776 | $1,776 | - |
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, Cornubia vs Tanah Merah (2026-27)
What the numbers show
Cornubia and Tanah Merah cost within $250 of each other annually by car. Over ten years with 3% annual growth the gap reaches roughly $2,866, making running cost a minor factor in the decision.
The biggest single gap is council rates at $505 per year.
On public transport the gap is $405 per year, $6,290 from Cornubia versus $6,695 from Tanah Merah.
Where the difference actually comes from
- Council rates favours Cornubia by $505 a year, $1,699 against $2,204.
- Water and sewerage is identical at $2,149 a year.
- Driving commute favours Tanah Merah by $155 a year, $6,205 against $6,360.
- Building insurance favours Tanah Merah by $100 a year, $2,150 against $2,250.
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.
10-year cumulative cost projection
| Year | Cornubia cumulative | Tanah Merah cumulative | Difference |
|---|---|---|---|
| Year 1 | $12,458 | $12,708 | $250 |
| Year 3 | $38,506 | $39,279 | $773 |
| Year 5 | $66,141 | $67,468 | $1,327 |
| Year 10 | $142,817 | $145,683 | $2,866 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Cornubia or Tanah Merah cheaper to live in?
Cornubia is cheaper to run by car at $12,458 per year versus $12,708 for Tanah Merah, a difference of $250 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Cornubia and Tanah Merah?
Annual council rates for a house are $1,699 in Cornubia (Logan City Council) and $2,204 in Tanah Merah (Logan City Council). Water and sewerage adds $2,149 in Cornubia and $2,149 in Tanah Merah. Both figures are the minimum residential general rate; properties on higher land value pay more.
How does the commute cost compare between Cornubia and Tanah Merah?
Annual driving commute costs are $6,360 from Cornubia and $6,205 from Tanah Merah to Brisbane CBD (ATO 91c/km). Public transport costs $192 from Cornubia and $192 from Tanah Merah.
What is the 10-year cost difference between Cornubia and Tanah Merah?
At 3% annual cost growth, Cornubia costs a cumulative $142,817 and Tanah Merah costs $145,683 over 10 years by car. The cumulative difference is $2,866 in favour of Cornubia. Excludes purchase price, mortgage, and personal expenses.
Which of Cornubia and Tanah Merah suits you better?
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.
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Sources: Logan City Council and Logan City Council 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.