Diamondvale vs Kyoomba, true annual running costs compared 2026
Last updated July 2026 · council rates 2026-27 (QLD), ATO 91c/km, Translink fares, AER electricity benchmarks
Diamondvale and Kyoomba are both Southern Downs Regional Council suburbs, and are commonly compared by buyers weighing up running costs within the same council area.
The two sit within $200 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 the gap between these two is about $2,300, about $4 a week, and most of it is the AI-estimated insurance line.
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Kyoomba
Annual cost breakdown
| Category | Diamondvale | Kyoomba | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,416 | $1,416 | - |
| Water & sewerage Estimated stand-in | $1,900 | $1,900 | - |
| Commute (driving) Modelled, 2026-27 | $18,200 | $18,200 | - |
| Commute (public transport) Modelled, 2026-27 | $18,200 | $18,200 | - |
| Home insurance Estimated | $2,050 | $2,250 | -$200 |
| Body corporate (unit) Estimated | $1,300 | $1,400 | -$100 |
| Total (driving) | $23,566 | $23,766 | -$200 |
| Total (public transport) | $23,566 | $23,766 | -$200 |
Totals exclude electricity, estimated separately below. Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance estimated from ACCC premium rates; actual premiums vary. Diamondvale's water charge is Queensland Urban Utilities's, standing in until its own council's schedule is loaded. Kyoomba's water charge is Queensland Urban Utilities's, standing in until its own council's schedule is loaded. Council rates: minimum residential general rate (QLD).
| Dwelling | Diamondvale | Kyoomba | Difference |
|---|---|---|---|
| House | $2,274 | $2,274 | - |
| Unit | $1,870 | $1,870 | - |
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, Diamondvale vs Kyoomba (2026-27)
What the numbers show
Diamondvale and Kyoomba differ by $200 a year by car, but $200 of that is the building insurance estimate rather than a published figure. On the sourced costs, council rates, water and the commute, the gap is $0, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $200 per year.
On public transport the gap is $200 per year, $23,566 from Diamondvale versus $23,766 from Kyoomba.
Where the difference actually comes from
- Council rates is identical at $1,416 a year.
- Water and sewerage is identical at $1,900 a year.
- Driving commute is identical at $18,200 a year.
- Building insurance favours Diamondvale by $200 a year, $2,050 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 the insurance band.
10-year cumulative cost projection
| Year | Diamondvale cumulative | Kyoomba cumulative | Difference |
|---|---|---|---|
| Year 1 | $23,566 | $23,766 | $200 |
| Year 3 | $72,840 | $73,458 | $618 |
| Year 5 | $125,115 | $126,177 | $1,062 |
| Year 10 | $270,158 | $272,451 | $2,293 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Diamondvale or Kyoomba cheaper to live in?
Neither is named cheaper. Diamondvale runs $23,566 a year by car and Kyoomba $23,766, but most of the $200 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $0. Source: SuburbCost 2026 data.
What are council rates in Diamondvale and Kyoomba?
Annual council rates for a house are $1,416 in Diamondvale (Southern Downs Regional Council) and $1,416 in Kyoomba (Southern Downs Regional Council). Water and sewerage adds $1,900 in Diamondvale and $1,900 in Kyoomba. Both figures are the minimum residential general rate; properties on higher land value pay more.
How does the commute cost compare between Diamondvale and Kyoomba?
Diamondvale 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 Brisbane CBD. Kyoomba 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 Toowoomba CBD. No daily public transport commute is assumed from either suburb, so both are costed by car.
What is the 10-year cost difference between Diamondvale and Kyoomba?
At 3% annual cost growth, Diamondvale costs a cumulative $270,158 and Kyoomba costs $272,451 over 10 years by car. The cumulative difference is $2,293 in favour of Diamondvale. Excludes purchase price, mortgage, and personal expenses.
Which of Diamondvale and Kyoomba suits you better?
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Sources: Southern Downs Regional Council and Southern Downs Regional 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.