Deauville vs Diamond Head, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Deauville and Diamond Head are both Port Macquarie-Hastings rates (OLG suburbs, sitting 28.8 km and 32.4 km from Port Macquarie CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Deauville runs $646 a year cheaper than Diamond Head, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $7,406.
Over 10 years the gap between these two is about $7,400, about $14 a week, and most of it is the AI-estimated insurance line.
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Diamond Head
Annual cost breakdown
| Category | Deauville | Diamond Head | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,370 | $1,370 | - |
| Water & sewerage Estimated | $1,300 | $1,300 | - |
| Commute (driving) Modelled, 2026-27 | $6,441 | $6,737 | -$296 |
| Commute (public transport) Modelled, 2026-27 | $6,441 | $6,737 | -$296 |
| Home insurance Estimated | $2,750 | $3,100 | -$350 |
| Body corporate (unit) Estimated | $1,500 | $1,500 | - |
| Total (driving) | $11,861 | $12,507 | -$646 |
| Total (public transport) | $11,861 | $12,507 | -$646 |
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: average residential rate (NSW, IPART-uplifted).
| Dwelling | Deauville | Diamond Head | Difference |
|---|---|---|---|
| House | $2,827 | $2,827 | - |
| Unit | $2,369 | $2,369 | - |
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, Deauville vs Diamond Head (2026-27)
What the numbers show
Deauville and Diamond Head differ by $646 a year by car, but $350 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 $296, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $350 per year. Diamond Head carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $646 per year, $11,861 from Deauville versus $12,507 from Diamond Head.
Where the difference actually comes from
- Council rates is identical at $1,370 a year.
- Water and sewerage is identical at $1,300 a year.
- Driving commute favours Deauville by $296 a year, $6,441 against $6,737.
- Building insurance favours Deauville by $350 a year, $2,750 against $3,100.
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.
Fire risk is rated high in Diamond Head against medium in Deauville, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Deauville cumulative | Diamond Head cumulative | Difference |
|---|---|---|---|
| Year 1 | $11,861 | $12,507 | $646 |
| Year 3 | $36,661 | $38,658 | $1,997 |
| Year 5 | $62,972 | $66,401 | $3,429 |
| Year 10 | $135,973 | $143,379 | $7,406 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Deauville or Diamond Head cheaper to live in?
Neither is named cheaper. Deauville runs $11,861 a year by car and Diamond Head $12,507, but most of the $646 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $296. Source: SuburbCost 2026 data.
What are council rates in Deauville and Diamond Head?
Annual council rates for a house are $1,370 in Deauville (Port Macquarie-Hastings rates (OLG) and $1,370 in Diamond Head (Port Macquarie-Hastings rates (OLG). Water and sewerage adds $1,300 in Deauville and $1,300 in Diamond Head. 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 Deauville and Diamond Head?
Annual driving commute costs are $6,441 from Deauville and $6,737 from Diamond Head to Port Macquarie 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 Deauville and Diamond Head?
At 3% annual cost growth, Deauville costs a cumulative $135,973 and Diamond Head costs $143,379 over 10 years by car. The cumulative difference is $7,406 in favour of Deauville. Excludes purchase price, mortgage, and personal expenses.
Which of Deauville and Diamond Head suits you better?
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Sources: Port Macquarie-Hastings rates (OLG and Port Macquarie-Hastings rates (OLG 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.