Mount Ommaney vs Sinnamon Park, true annual running costs compared 2026
Last updated July 2026 · council rates 2026-27 (QLD), ATO 91c/km, Translink fares, AER electricity benchmarks
Mount Ommaney and Sinnamon Park are both Brisbane City Council suburbs, sitting 12.5 km and 11.2 km from Brisbane CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Sinnamon Park runs $320 a year cheaper than Mount Ommaney, driven mostly by the commute. Over 10 years at 3% growth that gap compounds to about $3,668.
Over 10 years, Sinnamon Park costs about $3,700 less to run than Mount Ommaney. That's about $7 a week.
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Sinnamon Park
Annual cost breakdown
| Category | Mount Ommaney | Sinnamon Park | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $950 | $950 | - |
| Water & sewerage Official, 2026-27 | $1,900 | $1,900 | - |
| Commute (driving) Modelled, 2026-27 | $3,686 | $3,366 | +$320 |
| Commute (public transport) Modelled, 2026-27 | $192 | $192 | - |
| Home insurance Estimated | $2,150 | $2,150 | - |
| Body corporate (unit) Estimated | $2,800 | $2,800 | - |
| Total (driving) | $8,686 | $8,366 | +$320 |
| Total (public transport) | $5,192 | $5,192 | - |
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 | Mount Ommaney | Sinnamon Park | 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, Mount Ommaney vs Sinnamon Park (2026-27)
What the numbers show
Sinnamon Park costs $320 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $3,668 in favour of Sinnamon Park.
The biggest single gap is commute costs at $320 per year. Mount Ommaney is 12.5 km from Brisbane CBD, which drives higher annual driving costs at the ATO rate of 91c/km.
On public transport the two suburbs cost almost the same, $5,192 and $5,192 a year, so the $320 driving gap nearly closes if you commute by public transport.
Where the difference actually comes from
- Council rates is identical at $950 a year.
- Water and sewerage is identical at $1,900 a year.
- Driving commute favours Sinnamon Park by $320 a year, $3,366 against $3,686.
- Building insurance is identical at $2,150 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.
Fire risk is rated high in Mount Ommaney against medium in Sinnamon Park, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Mount Ommaney cumulative | Sinnamon Park cumulative | Difference |
|---|---|---|---|
| Year 1 | $8,686 | $8,366 | $320 |
| Year 3 | $26,848 | $25,858 | $990 |
| Year 5 | $46,115 | $44,416 | $1,699 |
| Year 10 | $99,575 | $95,907 | $3,668 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Mount Ommaney or Sinnamon Park cheaper to live in?
Sinnamon Park is cheaper to run by car at $8,366 per year versus $8,686 for Mount Ommaney, a difference of $320 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Mount Ommaney and Sinnamon Park?
Annual council rates for a house are $950 in Mount Ommaney (Brisbane City Council) and $950 in Sinnamon Park (Brisbane City Council). Water and sewerage adds $1,900 in Mount Ommaney and $1,900 in Sinnamon Park. Both figures are the minimum residential general rate; properties on higher land value pay more.
How does the commute cost compare between Mount Ommaney and Sinnamon Park?
Annual driving commute costs are $3,686 from Mount Ommaney and $3,366 from Sinnamon Park to Brisbane CBD (ATO 91c/km). Public transport costs $192 from Mount Ommaney and $192 from Sinnamon Park.
What is the 10-year cost difference between Mount Ommaney and Sinnamon Park?
At 3% annual cost growth, Mount Ommaney costs a cumulative $99,575 and Sinnamon Park costs $95,907 over 10 years by car. The cumulative difference is $3,668 in favour of Sinnamon Park. Excludes purchase price, mortgage, and personal expenses.
Which of Mount Ommaney and Sinnamon Park suits you better?
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Sources: Brisbane City Council and Brisbane 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.