Diwan vs Thornton Beach, true annual running costs compared 2026
Last updated July 2026 · council rates 2026-27 (QLD), ATO 91c/km, Translink fares, AER electricity benchmarks
Diwan and Thornton Beach are both Douglas Shire Council suburbs, sitting 89.5 km and 92.4 km from Cairns CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Diwan runs $327 a year cheaper than Thornton Beach, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $3,749.
Over 10 years the gap between these two is about $3,700, about $7 a week, and most of it is the AI-estimated insurance line.
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Thornton Beach
Annual cost breakdown
| Category | Diwan | Thornton Beach | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,400 | $1,400 | - |
| Water & sewerage Official, 2026-27 | $1,765 | $1,765 | - |
| Commute (driving) Modelled, 2026-27 | $3,909 | $4,036 | -$127 |
| Commute (public transport) Modelled, 2026-27 | $3,909 | $4,036 | -$127 |
| Home insurance Estimated | $3,500 | $3,700 | -$200 |
| Body corporate (unit) Estimated | $1,500 | $1,600 | -$100 |
| Total (driving) | $10,574 | $10,901 | -$327 |
| Total (public transport) | $10,574 | $10,901 | -$327 |
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 | Diwan | Thornton Beach | Difference |
|---|---|---|---|
| House | $2,373 | $2,373 | - |
| Unit | $1,945 | $1,945 | - |
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, Diwan vs Thornton Beach (2026-27)
What the numbers show
Diwan and Thornton Beach differ by $327 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 $127, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $200 per year.
On public transport the gap is $327 per year, $10,574 from Diwan versus $10,901 from Thornton Beach.
Where the difference actually comes from
- Council rates is identical at $1,400 a year.
- Water and sewerage is identical at $1,765 a year.
- Driving commute favours Diwan by $127 a year, $3,909 against $4,036.
- Building insurance favours Diwan by $200 a year, $3,500 against $3,700.
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 | Diwan cumulative | Thornton Beach cumulative | Difference |
|---|---|---|---|
| Year 1 | $10,574 | $10,901 | $327 |
| Year 3 | $32,683 | $33,694 | $1,011 |
| Year 5 | $56,139 | $57,875 | $1,736 |
| Year 10 | $121,219 | $124,968 | $3,749 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Diwan or Thornton Beach cheaper to live in?
Neither is named cheaper. Diwan runs $10,574 a year by car and Thornton Beach $10,901, but most of the $327 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $127. Source: SuburbCost 2026 data.
What are council rates in Diwan and Thornton Beach?
Annual council rates for a house are $1,400 in Diwan (Douglas Shire Council) and $1,400 in Thornton Beach (Douglas Shire Council). Water and sewerage adds $1,765 in Diwan and $1,765 in Thornton Beach. Both figures are the minimum residential general rate; properties on higher land value pay more.
How does the commute cost compare between Diwan and Thornton Beach?
Annual driving commute costs are $3,909 from Diwan and $4,036 from Thornton Beach to Cairns CBD (ATO 91c/km). No daily public transport commute is assumed from either suburb, so both are costed by car.
What is the 10-year cost difference between Diwan and Thornton Beach?
At 3% annual cost growth, Diwan costs a cumulative $121,219 and Thornton Beach costs $124,968 over 10 years by car. The cumulative difference is $3,749 in favour of Diwan. Excludes purchase price, mortgage, and personal expenses.
Which of Diwan and Thornton Beach suits you better?
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Sources: Douglas Shire Council and Douglas Shire 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.