Karaak Flat vs Killawarra: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Karaak Flat and Killawarra are both Mid-Coast rates (OLG suburbs, sitting 239.3 km and 243.2 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Killawarra runs $450 a year cheaper than Karaak Flat, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $5,159.
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 →Karaak Flat
Killawarra
Annual cost breakdown
| Category | Karaak Flat | Killawarra | Difference |
|---|---|---|---|
| Council rates | $1,609 | $1,609 | - |
| Water & sewerage | $1,300 | $1,300 | - |
| Commute (driving) | $17,600 | $17,600 | - |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,450 | $2,000 | +$450 |
| Body corporate (unit) | $1,500 | $1,500 | - |
| Total (driving) | $22,959 | $22,509 | +$450 |
| Total (public transport) | $7,759 | $7,309 | +$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 | Karaak Flat | Killawarra | 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 — Karaak Flat vs Killawarra (2026-27)
What the numbers show
Killawarra costs $450 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $5,159 in favour of Killawarra.
The biggest single gap is home insurance at $450 per year. Karaak Flat carries medium flood risk, which pushes estimated premiums higher.
On public transport the gap is $450 per year, $7,759 from Karaak Flat versus $7,309 from Killawarra.
10-year cumulative cost projection
| Year | Karaak Flat cumulative | Killawarra cumulative | Difference |
|---|---|---|---|
| Year 1 | $22,959 | $22,509 | $450 |
| Year 3 | $70,964 | $69,573 | $1,391 |
| Year 5 | $121,892 | $119,503 | $2,389 |
| Year 10 | $263,199 | $258,040 | $5,159 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Karaak Flat or Killawarra cheaper to live in?
Killawarra is cheaper to run by car at $22,509 per year versus $22,959 for Karaak Flat, a difference of $450 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Karaak Flat and Killawarra?
Annual council rates for a house are $1,609 in Karaak Flat (Mid-Coast rates (OLG) and $1,609 in Killawarra (Mid-Coast rates (OLG). Water and sewerage adds $1,300 in Karaak Flat and $1,300 in Killawarra. 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 Karaak Flat and Killawarra?
Annual driving commute costs are $17,600 from Karaak Flat and $17,600 from Killawarra to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Karaak Flat and $2,400 from Killawarra.
What is the 10-year cost difference between Karaak Flat and Killawarra?
At 3% annual cost growth, Karaak Flat costs a cumulative $263,199 and Killawarra costs $258,040 over 10 years by car. The cumulative difference is $5,159 in favour of Killawarra. Excludes purchase price, mortgage, and personal expenses.
Which of Karaak Flat and Killawarra 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: Mid-Coast rates (OLG and Mid-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.