Flat Tops vs Marshdale: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Flat Tops and Marshdale are both Dungog rates (OLG suburbs, sitting 167.3 km and 167.5 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Marshdale runs $400 a year cheaper than Flat Tops, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $4,586.
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 →Flat Tops
Marshdale
Annual cost breakdown
| Category | Flat Tops | Marshdale | Difference |
|---|---|---|---|
| Council rates | $1,712 | $1,712 | - |
| Water & sewerage | $1,377 | $1,377 | - |
| Commute (driving) | $17,600 | $17,600 | - |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,400 | $2,000 | +$400 |
| Body corporate (unit) | $1,800 | $1,800 | - |
| Total (driving) | $23,089 | $22,689 | +$400 |
| Total (public transport) | $7,889 | $7,489 | +$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 | Flat Tops | Marshdale | 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 — Flat Tops vs Marshdale (2026-27)
What the numbers show
Marshdale costs $400 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $4,586 in favour of Marshdale.
The biggest single gap is home insurance at $400 per year.
On public transport the gap is $400 per year, $7,889 from Flat Tops versus $7,489 from Marshdale.
10-year cumulative cost projection
| Year | Flat Tops cumulative | Marshdale cumulative | Difference |
|---|---|---|---|
| Year 1 | $23,089 | $22,689 | $400 |
| Year 3 | $71,366 | $70,129 | $1,237 |
| Year 5 | $122,583 | $120,459 | $2,124 |
| Year 10 | $264,690 | $260,104 | $4,586 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Flat Tops or Marshdale cheaper to live in?
Marshdale is cheaper to run by car at $22,689 per year versus $23,089 for Flat Tops, a difference of $400 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Flat Tops and Marshdale?
Annual council rates for a house are $1,712 in Flat Tops (Dungog rates (OLG) and $1,712 in Marshdale (Dungog rates (OLG). Water and sewerage adds $1,377 in Flat Tops and $1,377 in Marshdale. 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 Flat Tops and Marshdale?
Annual driving commute costs are $17,600 from Flat Tops and $17,600 from Marshdale to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Flat Tops and $2,400 from Marshdale.
What is the 10-year cost difference between Flat Tops and Marshdale?
At 3% annual cost growth, Flat Tops costs a cumulative $264,690 and Marshdale costs $260,104 over 10 years by car. The cumulative difference is $4,586 in favour of Marshdale. Excludes purchase price, mortgage, and personal expenses.
Which of Flat Tops and Marshdale 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: Dungog rates (OLG and Dungog 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.