Harlaxton vs Rockville: true annual running costs compared (2026)
Last updated July 2026 · council rates 2026-27 (QLD), ATO 88c/km, Translink fares, AER electricity benchmarks
Harlaxton and Rockville are both Toowoomba Regional Council suburbs, sitting 3.2 km and 2.9 km from Brisbane CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Rockville runs $594 a year cheaper than Harlaxton, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $6,810.
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 →Harlaxton
Rockville
Annual cost breakdown
| Category | Harlaxton | Rockville | Difference |
|---|---|---|---|
| Council rates | $1,444 | $1,444 | - |
| Water & sewerage | $2,188 | $2,188 | - |
| Commute (driving) | $1,038 | $944 | +$94 |
| Commute (public transport) | $192 | $192 | - |
| Home insurance | $2,400 | $1,900 | +$500 |
| Body corporate (unit) | $2,000 | $2,200 | -$200 |
| Total (driving) | $7,070 | $6,476 | +$594 |
| Total (public transport) | $6,224 | $5,724 | +$500 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: minimum residential general rate (QLD).
| Dwelling | Harlaxton | Rockville | Difference |
|---|---|---|---|
| House | $2,115 | $2,115 | - |
| Unit | $1,696 | $1,696 | - |
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 — Harlaxton vs Rockville (2026-27)
What the numbers show
Rockville costs $594 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $6,810 in favour of Rockville.
The biggest single gap is home insurance at $500 per year.
On public transport the gap is $500 per year, $6,224 from Harlaxton versus $5,724 from Rockville.
10-year cumulative cost projection
| Year | Harlaxton cumulative | Rockville cumulative | Difference |
|---|---|---|---|
| Year 1 | $7,070 | $6,476 | $594 |
| Year 3 | $21,853 | $20,017 | $1,836 |
| Year 5 | $37,536 | $34,382 | $3,154 |
| Year 10 | $81,050 | $74,240 | $6,810 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Harlaxton or Rockville cheaper to live in?
Rockville is cheaper to run by car at $6,476 per year versus $7,070 for Harlaxton, a difference of $594 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Harlaxton and Rockville?
Annual council rates for a house are $1,444 in Harlaxton (Toowoomba Regional Council) and $1,444 in Rockville (Toowoomba Regional Council). Water and sewerage adds $2,188 in Harlaxton and $2,188 in Rockville. Both figures are the minimum residential general rate; properties on higher land value pay more.
How does the commute cost compare between Harlaxton and Rockville?
Annual driving commute costs are $1,038 from Harlaxton and $944 from Rockville to Brisbane CBD (ATO 88c/km). Public transport costs $192 from Harlaxton and $192 from Rockville.
What is the 10-year cost difference between Harlaxton and Rockville?
At 3% annual cost growth, Harlaxton costs a cumulative $81,050 and Rockville costs $74,240 over 10 years by car. The cumulative difference is $6,810 in favour of Rockville. Excludes purchase price, mortgage, and personal expenses.
Which of Harlaxton and Rockville 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: Toowoomba Regional Council and Toowoomba Regional Council 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.