Killarney Heights vs Roseville Chase: 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 Heights (Northern Beaches rates (OLG) and Roseville Chase (Ku-ring-gai Council rates (IPART approved SRV, 29% in) attract comparison from buyers considering suburbs across different council areas at similar distances from Sydney CBD (10.3 km and 10.6 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 →Killarney Heights
Roseville Chase
Annual cost breakdown
| Category | Killarney Heights | Roseville Chase | Difference |
|---|---|---|---|
| Council rates | $1,766 | $2,189 | -$423 |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $3,032 | $3,107 | -$75 |
| Commute (public transport) | $2,386 | $2,386 | - |
| Home insurance | $2,550 | $2,150 | +$400 |
| Body corporate (unit) | $2,600 | $2,600 | - |
| Total (driving) | $8,896 | $8,994 | -$98 |
| Total (public transport) | $8,250 | $8,273 | -$23 |
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 Heights | Roseville Chase | 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 Heights vs Roseville Chase (2026-27)
What the numbers show
Killarney Heights and Roseville Chase 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 council rates at $423 per year.
On public transport the two suburbs cost almost the same, $8,250 and $8,273 a year, so the $98 driving gap nearly closes if you commute by public transport.
10-year cumulative cost projection
| Year | Killarney Heights cumulative | Roseville Chase cumulative | Difference |
|---|---|---|---|
| Year 1 | $8,896 | $8,994 | $98 |
| Year 3 | $27,497 | $27,800 | $303 |
| Year 5 | $47,230 | $47,750 | $520 |
| Year 10 | $101,983 | $103,106 | $1,123 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Killarney Heights or Roseville Chase cheaper to live in?
Killarney Heights is cheaper to run by car at $8,896 per year versus $8,994 for Roseville Chase, 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 Killarney Heights and Roseville Chase?
Annual council rates for a house are $1,766 in Killarney Heights (Northern Beaches rates (OLG) and $2,189 in Roseville Chase (Ku-ring-gai Council rates (IPART approved SRV, 29% in). Water and sewerage adds $1,548 in Killarney Heights and $1,548 in Roseville Chase. 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 Heights and Roseville Chase?
Annual driving commute costs are $3,032 from Killarney Heights and $3,107 from Roseville Chase to Sydney CBD (ATO 88c/km). Public transport costs $2,386 from Killarney Heights and $2,386 from Roseville Chase.
What is the 10-year cost difference between Killarney Heights and Roseville Chase?
At 3% annual cost growth, Killarney Heights costs a cumulative $101,983 and Roseville Chase costs $103,106 over 10 years by car. The cumulative difference is $1,123 in favour of Killarney Heights. Excludes purchase price, mortgage, and personal expenses.
Which of Killarney Heights and Roseville Chase 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: Northern Beaches rates (OLG and Ku-ring-gai Council rates (IPART approved SRV, 29% in 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.