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 $209 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 these two cost about the same to run. The difference here isn't money — it's location, schools and lifestyle.
Get the free report: 10-year costs, flood & fire risk, crime, schools and overall verdict →Koolewong
Woy Woy Bay
Annual cost breakdown
| Category | Koolewong | Woy Woy Bay | Difference |
|---|---|---|---|
| Council rates | $1,454 | $1,454 | - |
| Water & sewerage | $1,300 | $1,300 | - |
| Commute (driving) | $6,871 | $6,912 | -$41 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $3,250 | $3,000 | +$250 |
| Body corporate (unit) | $2,100 | $2,100 | - |
| Total (driving) | $12,875 | $12,666 | +$209 |
| Total (public transport) | $8,404 | $8,154 | +$250 |
Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance AI-estimated; 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 cost within $209 of each other annually by car. Over ten years with 3% annual growth the gap reaches roughly $2,396, making running cost a minor factor in the decision.
The biggest single gap is home insurance at $250 per year. Koolewong carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $250 per year, $8,404 from Koolewong versus $8,154 from Woy Woy Bay.
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 $250 a year, $3,000 against $3,250.
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 | $12,875 | $12,666 | $209 |
| Year 3 | $39,795 | $39,149 | $646 |
| Year 5 | $68,355 | $67,246 | $1,109 |
| Year 10 | $147,597 | $145,201 | $2,396 |
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?
Woy Woy Bay is cheaper to run by car at $12,666 per year versus $12,875 for Koolewong, a difference of $209 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. 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 $147,597 and Woy Woy Bay costs $145,201 over 10 years by car. The cumulative difference is $2,396 in favour of Woy Woy Bay. Excludes purchase price, mortgage, and personal expenses.
Which of Koolewong and Woy Woy Bay 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: 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 AI insurance estimates. Data updated July 2026.