Biggera Waters vs Coombabah: true annual running costs compared (2026)
Last updated July 2026 · council rates 2026-27 (QLD), ATO 88c/km, Translink fares, AER electricity benchmarks
Biggera Waters and Coombabah are both City of Gold Coast suburbs, sitting 5.2 km and 7.4 km from Brisbane CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Biggera Waters runs $2,826 a year cheaper than Coombabah, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $32,397.
Over 10 years, Biggera Waters costs about $32,400 less to run than Coombabah — the same as paying $32,400 less for the home. It's the cost no listing shows you.
Get the free report: 10-year costs, flood & fire risk, crime, schools and overall verdict →Biggera Waters
Coombabah
Annual cost breakdown
| Category | Biggera Waters | Coombabah | Difference |
|---|---|---|---|
| Council rates | $1,359 | $1,359 | - |
| Water & sewerage | $2,169 | $2,169 | - |
| Commute (driving) | $1,643 | $2,269 | -$626 |
| Commute (public transport) | $192 | $192 | - |
| Home insurance | $3,000 | $5,200 | -$2,200 |
| Body corporate (unit) | $3,200 | $2,800 | +$400 |
| Total (driving) | $8,171 | $10,997 | -$2,826 |
| Total (public transport) | $6,720 | $8,920 | -$2,200 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: minimum residential general rate (QLD).
| Dwelling | Biggera Waters | Coombabah | Difference |
|---|---|---|---|
| House | $1,976 | $1,976 | - |
| Unit | $1,591 | $1,591 | - |
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 — Biggera Waters vs Coombabah (2026-27)
What the numbers show
Biggera Waters costs $2,826 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $32,397 in favour of Biggera Waters.
The biggest single gap is home insurance at $2,200 per year. Coombabah carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $2,200 per year, $6,720 from Biggera Waters versus $8,920 from Coombabah.
10-year cumulative cost projection
| Year | Biggera Waters cumulative | Coombabah cumulative | Difference |
|---|---|---|---|
| Year 1 | $8,171 | $10,997 | $2,826 |
| Year 3 | $25,256 | $33,991 | $8,735 |
| Year 5 | $43,381 | $58,385 | $15,004 |
| Year 10 | $93,671 | $126,068 | $32,397 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Biggera Waters or Coombabah cheaper to live in?
Biggera Waters is cheaper to run by car at $8,171 per year versus $10,997 for Coombabah, a difference of $2,826 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Biggera Waters and Coombabah?
Annual council rates for a house are $1,359 in Biggera Waters (City of Gold Coast) and $1,359 in Coombabah (City of Gold Coast). Water and sewerage adds $2,169 in Biggera Waters and $2,169 in Coombabah. Both figures are the minimum residential general rate; properties on higher land value pay more.
How does the commute cost compare between Biggera Waters and Coombabah?
Annual driving commute costs are $1,643 from Biggera Waters and $2,269 from Coombabah to Brisbane CBD (ATO 88c/km). Public transport costs $192 from Biggera Waters and $192 from Coombabah.
What is the 10-year cost difference between Biggera Waters and Coombabah?
At 3% annual cost growth, Biggera Waters costs a cumulative $93,671 and Coombabah costs $126,068 over 10 years by car. The cumulative difference is $32,397 in favour of Biggera Waters. Excludes purchase price, mortgage, and personal expenses.
Which of Biggera Waters and Coombabah 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: City of Gold Coast and City of Gold Coast 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.