Hardys Bay vs Killcare: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Hardys Bay and Killcare are both Central Coast rates (OLG suburbs, sitting 40.6 km and 40.8 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Hardys Bay runs $649 a year cheaper than Killcare, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $7,440.
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 →Hardys Bay
Killcare
Annual cost breakdown
| Category | Hardys Bay | Killcare | Difference |
|---|---|---|---|
| Council rates | $1,454 | $1,454 | - |
| Water & sewerage | $1,300 | $1,300 | - |
| Commute (driving) | $6,757 | $6,756 | +$1 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $3,000 | $3,650 | -$650 |
| Body corporate (unit) | $2,100 | $2,100 | - |
| Total (driving) | $12,511 | $13,160 | -$649 |
| Total (public transport) | $8,154 | $8,804 | -$650 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Hardys Bay | Killcare | 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 — Hardys Bay vs Killcare (2026-27)
What the numbers show
Hardys Bay costs $649 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $7,440 in favour of Hardys Bay.
The biggest single gap is home insurance at $650 per year. Killcare carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $650 per year, $8,154 from Hardys Bay versus $8,804 from Killcare.
10-year cumulative cost projection
| Year | Hardys Bay cumulative | Killcare cumulative | Difference |
|---|---|---|---|
| Year 1 | $12,511 | $13,160 | $649 |
| Year 3 | $38,670 | $40,676 | $2,006 |
| Year 5 | $66,423 | $69,868 | $3,445 |
| Year 10 | $143,425 | $150,865 | $7,440 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Hardys Bay or Killcare cheaper to live in?
Hardys Bay is cheaper to run by car at $12,511 per year versus $13,160 for Killcare, a difference of $649 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Hardys Bay and Killcare?
Annual council rates for a house are $1,454 in Hardys Bay (Central Coast rates (OLG) and $1,454 in Killcare (Central Coast rates (OLG). Water and sewerage adds $1,300 in Hardys Bay and $1,300 in Killcare. 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 Hardys Bay and Killcare?
Annual driving commute costs are $6,757 from Hardys Bay and $6,756 from Killcare to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Hardys Bay and $2,400 from Killcare.
What is the 10-year cost difference between Hardys Bay and Killcare?
At 3% annual cost growth, Hardys Bay costs a cumulative $143,425 and Killcare costs $150,865 over 10 years by car. The cumulative difference is $7,440 in favour of Hardys Bay. Excludes purchase price, mortgage, and personal expenses.
Which of Hardys Bay and Killcare 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 88c/km, and SuburbCost AI insurance estimates. Data updated July 2026.