Hardys Bay vs Killcare Heights: 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 Heights are both Central Coast rates (OLG suburbs, sitting 40.6 km and 41 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Killcare Heights runs $453 a year cheaper than Hardys Bay, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $5,194.
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 Heights
Annual cost breakdown
| Category | Hardys Bay | Killcare Heights | Difference |
|---|---|---|---|
| Council rates | $1,454 | $1,454 | - |
| Water & sewerage | $1,300 | $1,300 | - |
| Commute (driving) | $6,757 | $6,754 | +$3 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $3,000 | $2,550 | +$450 |
| Body corporate (unit) | $2,100 | $2,100 | - |
| Total (driving) | $12,511 | $12,058 | +$453 |
| Total (public transport) | $8,154 | $7,704 | +$450 |
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 Heights | 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 Heights (2026-27)
What the numbers show
Killcare Heights costs $453 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $5,194 in favour of Killcare Heights.
The biggest single gap is home insurance at $450 per year. Hardys Bay carries medium flood risk, which pushes estimated premiums higher.
On public transport the gap is $450 per year, $8,154 from Hardys Bay versus $7,704 from Killcare Heights.
10-year cumulative cost projection
| Year | Hardys Bay cumulative | Killcare Heights cumulative | Difference |
|---|---|---|---|
| Year 1 | $12,511 | $12,058 | $453 |
| Year 3 | $38,670 | $37,270 | $1,400 |
| Year 5 | $66,423 | $64,018 | $2,405 |
| Year 10 | $143,425 | $138,231 | $5,194 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Hardys Bay or Killcare Heights cheaper to live in?
Killcare Heights is cheaper to run by car at $12,058 per year versus $12,511 for Hardys Bay, a difference of $453 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 Heights?
Annual council rates for a house are $1,454 in Hardys Bay (Central Coast rates (OLG) and $1,454 in Killcare Heights (Central Coast rates (OLG). Water and sewerage adds $1,300 in Hardys Bay and $1,300 in Killcare Heights. 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 Heights?
Annual driving commute costs are $6,757 from Hardys Bay and $6,754 from Killcare Heights to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Hardys Bay and $2,400 from Killcare Heights.
What is the 10-year cost difference between Hardys Bay and Killcare Heights?
At 3% annual cost growth, Hardys Bay costs a cumulative $143,425 and Killcare Heights costs $138,231 over 10 years by car. The cumulative difference is $5,194 in favour of Killcare Heights. Excludes purchase price, mortgage, and personal expenses.
Which of Hardys Bay and Killcare Heights 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.