Diamond Head vs North Brother: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Diamond Head and North Brother are both Port Macquarie-Hastings rates (OLG suburbs, sitting 32.4 km and 29.1 km from Port Macquarie CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
North Brother runs $1,367 a year cheaper than Diamond Head, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $15,671.
Over 10 years, North Brother costs about $15,700 less to run than Diamond Head — the same as paying $15,700 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) | $6,737 | $6,470 | +$267 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $3,500 | $2,400 | +$1,100 |
| Body corporate (unit) | $1,500 | $1,500 | - |
| Total (driving) | $12,907 | $11,540 | +$1,367 |
| Total (public transport) | $8,570 | $7,470 | +$1,100 |
Green = cheaper. Commute: ATO 91c/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 | $2,827 | $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 — Diamond Head vs North Brother (2026-27)
What the numbers show
North Brother costs $1,367 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $15,671 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.
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 North Brother by $267 a year, $6,470 against $6,737.
- Building insurance favours North Brother by $1,100 a year, $2,400 against $3,500.
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.
Flood risk is rated high in Diamond Head against low in North Brother, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Diamond Head cumulative | North Brother cumulative | Difference |
|---|---|---|---|
| Year 1 | $12,907 | $11,540 | $1,367 |
| Year 3 | $39,894 | $35,669 | $4,225 |
| Year 5 | $68,525 | $61,267 | $7,258 |
| Year 10 | $147,964 | $132,293 | $15,671 |
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 $11,540 per year versus $12,907 for Diamond Head, a difference of $1,367 annually. Figures cover council rates, water, commute (ATO 91c/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 $6,737 from Diamond Head and $6,470 from North Brother to Port Macquarie CBD (ATO 91c/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 $147,964 and North Brother costs $132,293 over 10 years by car. The cumulative difference is $15,671 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 91c/km, and SuburbCost AI insurance estimates. Data updated July 2026.