Dungay vs Kynnumboon: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Dungay and Kynnumboon are both Tweed rates (OLG suburbs, sitting 655.4 km and 652.3 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Dungay runs $650 a year cheaper than Kynnumboon, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $7,452.
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 →Dungay
Kynnumboon
Annual cost breakdown
| Category | Dungay | Kynnumboon | Difference |
|---|---|---|---|
| Council rates | $1,799 | $1,799 | - |
| Water & sewerage | $1,300 | $1,300 | - |
| Commute (driving) | $17,600 | $17,600 | - |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,450 | $3,100 | -$650 |
| Body corporate (unit) | $1,500 | $1,500 | - |
| Total (driving) | $23,149 | $23,799 | -$650 |
| Total (public transport) | $7,949 | $8,599 | -$650 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Dungay | Kynnumboon | Difference |
|---|---|---|---|
| House | $2,098 | $2,098 | - |
| Unit | $1,679 | $1,679 | - |
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 — Dungay vs Kynnumboon (2026-27)
What the numbers show
Dungay costs $650 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $7,452 in favour of Dungay.
The biggest single gap is home insurance at $650 per year. Kynnumboon carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $650 per year, $7,949 from Dungay versus $8,599 from Kynnumboon.
10-year cumulative cost projection
| Year | Dungay cumulative | Kynnumboon cumulative | Difference |
|---|---|---|---|
| Year 1 | $23,149 | $23,799 | $650 |
| Year 3 | $71,551 | $73,560 | $2,009 |
| Year 5 | $122,901 | $126,352 | $3,451 |
| Year 10 | $265,377 | $272,829 | $7,452 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Dungay or Kynnumboon cheaper to live in?
Dungay is cheaper to run by car at $23,149 per year versus $23,799 for Kynnumboon, a difference of $650 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Dungay and Kynnumboon?
Annual council rates for a house are $1,799 in Dungay (Tweed rates (OLG) and $1,799 in Kynnumboon (Tweed rates (OLG). Water and sewerage adds $1,300 in Dungay and $1,300 in Kynnumboon. 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 Dungay and Kynnumboon?
Annual driving commute costs are $17,600 from Dungay and $17,600 from Kynnumboon to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Dungay and $2,400 from Kynnumboon.
What is the 10-year cost difference between Dungay and Kynnumboon?
At 3% annual cost growth, Dungay costs a cumulative $265,377 and Kynnumboon costs $272,829 over 10 years by car. The cumulative difference is $7,452 in favour of Dungay. Excludes purchase price, mortgage, and personal expenses.
Which of Dungay and Kynnumboon 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: Tweed rates (OLG and Tweed 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.