Banksia vs Rockdale: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Banksia and Rockdale are both Bayside rates (OLG suburbs, sitting 10.5 km and 11.3 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
The two sit within $197 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 →Banksia
Rockdale
Annual cost breakdown
| Category | Banksia | Rockdale | Difference |
|---|---|---|---|
| Council rates | $1,265 | $1,265 | - |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $3,082 | $3,279 | -$197 |
| Commute (public transport) | $2,386 | $2,386 | - |
| Home insurance | $2,950 | $2,950 | - |
| Body corporate (unit) | $2,600 | $2,600 | - |
| Total (driving) | $8,845 | $9,042 | -$197 |
| Total (public transport) | $8,149 | $8,149 | - |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Banksia | Rockdale | 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 — Banksia vs Rockdale (2026-27)
What the numbers show
Banksia and Rockdale cost within $197 of each other annually by car. Over ten years with 3% annual growth the gap reaches roughly $2,258, making running cost a minor factor in the decision.
The biggest single gap is commute costs at $197 per year. Rockdale is 11.3 km from Sydney CBD, which drives higher annual driving costs at the ATO rate of 88c/km.
On public transport the two suburbs cost almost the same, $8,149 and $8,149 a year, so the $197 driving gap nearly closes if you commute by public transport.
10-year cumulative cost projection
| Year | Banksia cumulative | Rockdale cumulative | Difference |
|---|---|---|---|
| Year 1 | $8,845 | $9,042 | $197 |
| Year 3 | $27,339 | $27,948 | $609 |
| Year 5 | $46,959 | $48,005 | $1,046 |
| Year 10 | $101,398 | $103,656 | $2,258 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Banksia or Rockdale cheaper to live in?
Banksia is cheaper to run by car at $8,845 per year versus $9,042 for Rockdale, a difference of $197 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Banksia and Rockdale?
Annual council rates for a house are $1,265 in Banksia (Bayside rates (OLG) and $1,265 in Rockdale (Bayside rates (OLG). Water and sewerage adds $1,548 in Banksia and $1,548 in Rockdale. 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 Banksia and Rockdale?
Annual driving commute costs are $3,082 from Banksia and $3,279 from Rockdale to Sydney CBD (ATO 88c/km). Public transport costs $2,386 from Banksia and $2,386 from Rockdale.
What is the 10-year cost difference between Banksia and Rockdale?
At 3% annual cost growth, Banksia costs a cumulative $101,398 and Rockdale costs $103,656 over 10 years by car. The cumulative difference is $2,258 in favour of Banksia. Excludes purchase price, mortgage, and personal expenses.
Which of Banksia and Rockdale 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: Bayside rates (OLG and Bayside 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.