Mowbray Park vs Thirlmere: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Mowbray Park and Thirlmere are both Wollondilly rates (OLG suburbs, sitting 69.1 km and 70.2 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
The two sit within $184 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 →Mowbray Park
Thirlmere
Annual cost breakdown
| Category | Mowbray Park | Thirlmere | Difference |
|---|---|---|---|
| Council rates | $2,195 | $2,195 | - |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $3,181 | $2,965 | +$216 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,000 | $2,400 | -$400 |
| Body corporate (unit) | $1,800 | $1,800 | - |
| Total (driving) | $8,924 | $9,108 | -$184 |
| Total (public transport) | $8,143 | $8,543 | -$400 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Mowbray Park | Thirlmere | Difference |
|---|---|---|---|
| House | $2,420 | $2,420 | - |
| Unit | $1,920 | $1,920 | - |
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 — Mowbray Park vs Thirlmere (2026-27)
What the numbers show
Mowbray Park and Thirlmere cost within $184 of each other annually by car. Over ten years with 3% annual growth the gap reaches roughly $2,109, making running cost a minor factor in the decision.
The biggest single gap is home insurance at $400 per year.
On public transport the gap is $400 per year, $8,143 from Mowbray Park versus $8,543 from Thirlmere.
10-year cumulative cost projection
| Year | Mowbray Park cumulative | Thirlmere cumulative | Difference |
|---|---|---|---|
| Year 1 | $8,924 | $9,108 | $184 |
| Year 3 | $27,583 | $28,152 | $569 |
| Year 5 | $47,379 | $48,356 | $977 |
| Year 10 | $102,304 | $104,413 | $2,109 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Mowbray Park or Thirlmere cheaper to live in?
Mowbray Park is cheaper to run by car at $8,924 per year versus $9,108 for Thirlmere, a difference of $184 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Mowbray Park and Thirlmere?
Annual council rates for a house are $2,195 in Mowbray Park (Wollondilly rates (OLG) and $2,195 in Thirlmere (Wollondilly rates (OLG). Water and sewerage adds $1,548 in Mowbray Park and $1,548 in Thirlmere. 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 Mowbray Park and Thirlmere?
Annual driving commute costs are $3,181 from Mowbray Park and $2,965 from Thirlmere to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Mowbray Park and $2,400 from Thirlmere.
What is the 10-year cost difference between Mowbray Park and Thirlmere?
At 3% annual cost growth, Mowbray Park costs a cumulative $102,304 and Thirlmere costs $104,413 over 10 years by car. The cumulative difference is $2,109 in favour of Mowbray Park. Excludes purchase price, mortgage, and personal expenses.
Which of Mowbray Park and Thirlmere 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: Wollondilly rates (OLG and Wollondilly 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.