Holmesville vs Seahampton, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Holmesville and Seahampton are both Lake Macquarie rates (OLG suburbs, sitting 19.1 km and 19.7 km from Newcastle CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
The two sit within $192 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 $2,200, about $4 a week, and most of it is the AI-estimated insurance line.
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Seahampton
Annual cost breakdown
| Category | Holmesville | Seahampton | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,763 | $1,763 | - |
| Water & sewerage Official, 2026-27 | $1,377 | $1,377 | - |
| Commute (driving) Modelled, 2026-27 | $5,081 | $5,189 | -$108 |
| Commute (public transport) Modelled, 2026-27 | $2,400 | $2,400 | - |
| Home insurance Estimated | $1,850 | $1,550 | +$300 |
| Body corporate (unit) Estimated | $1,800 | $1,800 | - |
| Total (driving) | $10,071 | $9,879 | +$192 |
| Total (public transport) | $7,390 | $7,090 | +$300 |
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 | Holmesville | Seahampton | Difference |
|---|---|---|---|
| House | $2,342 | $2,342 | - |
| Unit | $1,909 | $1,909 | - |
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, Holmesville vs Seahampton (2026-27)
What the numbers show
Holmesville and Seahampton differ by $192 a year by car, but $300 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 $108, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $300 per year. Holmesville carries medium flood risk, which pushes estimated premiums higher.
On public transport the gap is $300 per year, $7,390 from Holmesville versus $7,090 from Seahampton.
Where the difference actually comes from
- Council rates is identical at $1,763 a year.
- Water and sewerage is identical at $1,377 a year.
- Driving commute favours Holmesville by $108 a year, $5,081 against $5,189.
- Building insurance favours Seahampton by $300 a year, $1,550 against $1,850.
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 medium in Holmesville against low in Seahampton, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Holmesville cumulative | Seahampton cumulative | Difference |
|---|---|---|---|
| Year 1 | $10,071 | $9,879 | $192 |
| Year 3 | $31,128 | $30,535 | $593 |
| Year 5 | $53,468 | $52,449 | $1,019 |
| Year 10 | $115,453 | $113,252 | $2,201 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Holmesville or Seahampton cheaper to live in?
Neither is named cheaper. Holmesville runs $10,071 a year by car and Seahampton $9,879, but most of the $192 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $108. Source: SuburbCost 2026 data.
What are council rates in Holmesville and Seahampton?
Annual council rates for a house are $1,763 in Holmesville (Lake Macquarie rates (OLG) and $1,763 in Seahampton (Lake Macquarie rates (OLG). Water and sewerage adds $1,377 in Holmesville and $1,377 in Seahampton. 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 Holmesville and Seahampton?
Annual driving commute costs are $5,081 from Holmesville and $5,189 from Seahampton to Newcastle CBD (ATO 91c/km). Public transport costs $2,400 from Holmesville and $2,400 from Seahampton.
What is the 10-year cost difference between Holmesville and Seahampton?
At 3% annual cost growth, Holmesville costs a cumulative $115,453 and Seahampton costs $113,252 over 10 years by car. The cumulative difference is $2,201 in favour of Seahampton. Excludes purchase price, mortgage, and personal expenses.
Which of Holmesville and Seahampton suits you better?
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Sources: Lake Macquarie rates (OLG and Lake Macquarie 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.