Cogra Bay vs Dangar Island: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Cogra Bay (Central Coast rates (OLG) and Dangar Island (Hornsby rates (OLG) attract comparison from buyers considering suburbs across different council areas at similar distances from Sydney CBD (38.4 km and 36.8 km).
The two sit within $98 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 →Cogra Bay
Dangar Island
Annual cost breakdown
| Category | Cogra Bay | Dangar Island | Difference |
|---|---|---|---|
| Council rates | $1,454 | $1,541 | -$87 |
| Water & sewerage | $1,300 | $1,548 | -$248 |
| Commute (driving) | $6,748 | $6,715 | +$33 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $3,000 | $2,600 | +$400 |
| Body corporate (unit) | $2,100 | $2,100 | - |
| Total (driving) | $12,502 | $12,404 | +$98 |
| Total (public transport) | $8,154 | $8,089 | +$65 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Cogra Bay | Dangar Island | 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 — Cogra Bay vs Dangar Island (2026-27)
What the numbers show
Cogra Bay and Dangar Island cost within $98 of each other annually by car. Over ten years with 3% annual growth the gap reaches roughly $1,123, making running cost a minor factor in the decision.
The biggest single gap is home insurance at $400 per year. Cogra Bay carries medium flood risk, which pushes estimated premiums higher.
On public transport the two suburbs cost almost the same, $8,154 and $8,089 a year, so the $98 driving gap nearly closes if you commute by public transport.
10-year cumulative cost projection
| Year | Cogra Bay cumulative | Dangar Island cumulative | Difference |
|---|---|---|---|
| Year 1 | $12,502 | $12,404 | $98 |
| Year 3 | $38,642 | $38,340 | $302 |
| Year 5 | $66,375 | $65,855 | $520 |
| Year 10 | $143,321 | $142,198 | $1,123 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Cogra Bay or Dangar Island cheaper to live in?
Dangar Island is cheaper to run by car at $12,404 per year versus $12,502 for Cogra Bay, a difference of $98 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Cogra Bay and Dangar Island?
Annual council rates for a house are $1,454 in Cogra Bay (Central Coast rates (OLG) and $1,541 in Dangar Island (Hornsby rates (OLG). Water and sewerage adds $1,300 in Cogra Bay and $1,548 in Dangar Island. 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 Cogra Bay and Dangar Island?
Annual driving commute costs are $6,748 from Cogra Bay and $6,715 from Dangar Island to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Cogra Bay and $2,400 from Dangar Island.
What is the 10-year cost difference between Cogra Bay and Dangar Island?
At 3% annual cost growth, Cogra Bay costs a cumulative $143,321 and Dangar Island costs $142,198 over 10 years by car. The cumulative difference is $1,123 in favour of Dangar Island. Excludes purchase price, mortgage, and personal expenses.
Which of Cogra Bay and Dangar Island 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 Hornsby 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.