Killarney Vale vs Tumbi Umbi: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Killarney Vale and Tumbi Umbi are both Central Coast rates (OLG suburbs, sitting 60.6 km and 59.3 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Killarney Vale runs $419 a year cheaper than Tumbi Umbi, driven mostly by the commute. Over 10 years at 3% growth that gap compounds to about $4,803.
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 →Killarney Vale
Tumbi Umbi
Annual cost breakdown
| Category | Killarney Vale | Tumbi Umbi | Difference |
|---|---|---|---|
| Council rates | $1,454 | $1,454 | - |
| Water & sewerage | $1,300 | $1,300 | - |
| Commute (driving) | $4,966 | $5,185 | -$219 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,800 | $3,000 | -$200 |
| Body corporate (unit) | $1,800 | $2,100 | -$300 |
| Total (driving) | $10,520 | $10,939 | -$419 |
| Total (public transport) | $7,954 | $8,154 | -$200 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Killarney Vale | Tumbi Umbi | 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 — Killarney Vale vs Tumbi Umbi (2026-27)
What the numbers show
Killarney Vale costs $419 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $4,803 in favour of Killarney Vale.
The biggest single gap is commute costs at $219 per year. Killarney Vale is 60.6 km from Sydney CBD, which drives higher annual driving costs at the ATO rate of 88c/km.
On public transport the gap is $200 per year, $7,954 from Killarney Vale versus $8,154 from Tumbi Umbi.
10-year cumulative cost projection
| Year | Killarney Vale cumulative | Tumbi Umbi cumulative | Difference |
|---|---|---|---|
| Year 1 | $10,520 | $10,939 | $419 |
| Year 3 | $32,516 | $33,811 | $1,295 |
| Year 5 | $55,852 | $58,077 | $2,225 |
| Year 10 | $120,600 | $125,403 | $4,803 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Killarney Vale or Tumbi Umbi cheaper to live in?
Killarney Vale is cheaper to run by car at $10,520 per year versus $10,939 for Tumbi Umbi, a difference of $419 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Killarney Vale and Tumbi Umbi?
Annual council rates for a house are $1,454 in Killarney Vale (Central Coast rates (OLG) and $1,454 in Tumbi Umbi (Central Coast rates (OLG). Water and sewerage adds $1,300 in Killarney Vale and $1,300 in Tumbi Umbi. 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 Killarney Vale and Tumbi Umbi?
Annual driving commute costs are $4,966 from Killarney Vale and $5,185 from Tumbi Umbi to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Killarney Vale and $2,400 from Tumbi Umbi.
What is the 10-year cost difference between Killarney Vale and Tumbi Umbi?
At 3% annual cost growth, Killarney Vale costs a cumulative $120,600 and Tumbi Umbi costs $125,403 over 10 years by car. The cumulative difference is $4,803 in favour of Killarney Vale. Excludes purchase price, mortgage, and personal expenses.
Which of Killarney Vale and Tumbi Umbi is best to actually live in?
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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 88c/km, and SuburbCost AI insurance estimates. Data updated July 2026.