Koolewong vs Woy Woy Bay, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Koolewong and Woy Woy Bay are both Central Coast rates (OLG suburbs, sitting 45.2 km and 44.2 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
The two sit within $109 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 $1,300, about $2 a week, and most of it is the AI-estimated insurance line.
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Woy Woy Bay
Annual cost breakdown
| Category | Koolewong | Woy Woy Bay | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,454 | $1,454 | - |
| Water & sewerage Estimated | $1,300 | $1,300 | - |
| Commute (driving) Modelled, 2026-27 | $6,871 | $6,912 | -$41 |
| Commute (public transport) Modelled, 2026-27 | $2,400 | $2,400 | - |
| Home insurance Estimated | $2,000 | $1,850 | +$150 |
| Body corporate (unit) Estimated | $2,100 | $2,100 | - |
| Total (driving) | $11,625 | $11,516 | +$109 |
| Total (public transport) | $7,154 | $7,004 | +$150 |
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 | Koolewong | Woy Woy Bay | 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, Koolewong vs Woy Woy Bay (2026-27)
What the numbers show
Koolewong and Woy Woy Bay differ by $109 a year by car, but $150 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 $41, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $150 per year. Koolewong carries high flood risk, which pushes estimated premiums higher.
On public transport the two suburbs cost almost the same, $7,154 and $7,004 a year, so the $109 driving gap nearly closes if you commute by public transport.
Where the difference actually comes from
- Council rates is identical at $1,454 a year.
- Water and sewerage is identical at $1,300 a year.
- Driving commute favours Koolewong by $41 a year, $6,871 against $6,912.
- Building insurance favours Woy Woy Bay by $150 a year, $1,850 against $2,000.
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 Koolewong against medium in Woy Woy Bay, which feeds the insurance estimate. Fire risk is rated high in Woy Woy Bay against medium in Koolewong, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Koolewong cumulative | Woy Woy Bay cumulative | Difference |
|---|---|---|---|
| Year 1 | $11,625 | $11,516 | $109 |
| Year 3 | $35,932 | $35,595 | $337 |
| Year 5 | $61,719 | $61,140 | $579 |
| Year 10 | $133,268 | $132,018 | $1,250 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Koolewong or Woy Woy Bay cheaper to live in?
Neither is named cheaper. Koolewong runs $11,625 a year by car and Woy Woy Bay $11,516, but most of the $109 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $41. Source: SuburbCost 2026 data.
What are council rates in Koolewong and Woy Woy Bay?
Annual council rates for a house are $1,454 in Koolewong (Central Coast rates (OLG) and $1,454 in Woy Woy Bay (Central Coast rates (OLG). Water and sewerage adds $1,300 in Koolewong and $1,300 in Woy Woy Bay. 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 Koolewong and Woy Woy Bay?
Annual driving commute costs are $6,871 from Koolewong and $6,912 from Woy Woy Bay to Sydney CBD (ATO 91c/km). Public transport costs $2,400 from Koolewong and $2,400 from Woy Woy Bay.
What is the 10-year cost difference between Koolewong and Woy Woy Bay?
At 3% annual cost growth, Koolewong costs a cumulative $133,268 and Woy Woy Bay costs $132,018 over 10 years by car. The cumulative difference is $1,250 in favour of Woy Woy Bay. Excludes purchase price, mortgage, and personal expenses.
Which of Koolewong and Woy Woy Bay suits you better?
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.
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Sources: Central Coast rates (OLG and Central Coast 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.