Diamond Head vs North Brother: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Diamond Head and North Brother are both Port Macquarie-Hastings rates (OLG suburbs, sitting 282 km and 285.1 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
North Brother runs $1,100 a year cheaper than Diamond Head, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $12,610.
Over 10 years, North Brother costs about $12,600 less to run than Diamond Head — the same as paying $12,600 less for the home. It's the cost no listing shows you.
Get the free report: 10-year costs, flood & fire risk, crime, schools and overall verdict →Diamond Head
North Brother
Annual cost breakdown
| Category | Diamond Head | North Brother | Difference |
|---|---|---|---|
| Council rates | $1,370 | $1,370 | - |
| Water & sewerage | $1,300 | $1,300 | - |
| Commute (driving) | $17,600 | $17,600 | - |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $3,500 | $2,400 | +$1,100 |
| Body corporate (unit) | $1,500 | $1,500 | - |
| Total (driving) | $23,770 | $22,670 | +$1,100 |
| Total (public transport) | $8,570 | $7,470 | +$1,100 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Diamond Head | North Brother | Difference |
|---|---|---|---|
| House | $2,148 | $2,148 | - |
| Unit | $1,716 | $1,716 | - |
Estimated from AER residential benchmarks for each suburb's climate zone at 2025 rates (QLD 30c/kWh, NSW 33c/kWh incl. supply charge; unit ≈ 75% of a house). Get the free report for a breakdown by your exact number of occupants.
Cost breakdown chart
Annual cost breakdown — Diamond Head vs North Brother (2026-27)
What the numbers show
North Brother costs $1,100 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $12,610 in favour of North Brother.
The biggest single gap is home insurance at $1,100 per year. Diamond Head carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $1,100 per year, $8,570 from Diamond Head versus $7,470 from North Brother.
10-year cumulative cost projection
| Year | Diamond Head cumulative | North Brother cumulative | Difference |
|---|---|---|---|
| Year 1 | $23,770 | $22,670 | $1,100 |
| Year 3 | $73,471 | $70,071 | $3,400 |
| Year 5 | $126,198 | $120,358 | $5,840 |
| Year 10 | $272,496 | $259,886 | $12,610 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Diamond Head or North Brother cheaper to live in?
North Brother is cheaper to run by car at $22,670 per year versus $23,770 for Diamond Head, a difference of $1,100 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Diamond Head and North Brother?
Annual council rates for a house are $1,370 in Diamond Head (Port Macquarie-Hastings rates (OLG) and $1,370 in North Brother (Port Macquarie-Hastings rates (OLG). Water and sewerage adds $1,300 in Diamond Head and $1,300 in North Brother. 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 Diamond Head and North Brother?
Annual driving commute costs are $17,600 from Diamond Head and $17,600 from North Brother to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Diamond Head and $2,400 from North Brother.
What is the 10-year cost difference between Diamond Head and North Brother?
At 3% annual cost growth, Diamond Head costs a cumulative $272,496 and North Brother costs $259,886 over 10 years by car. The cumulative difference is $12,610 in favour of North Brother. Excludes purchase price, mortgage, and personal expenses.
Which of Diamond Head and North Brother is best to actually live in?
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.
Related comparisons
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 88c/km, and SuburbCost AI insurance estimates. Data updated July 2026.