Gymea vs Gymea Bay: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Gymea and Gymea Bay are both Sutherland rates (OLG suburbs, sitting 22.3 km and 23.1 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Gymea runs $571 a year cheaper than Gymea Bay, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $6,546.
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 →Gymea
Gymea Bay
Annual cost breakdown
| Category | Gymea | Gymea Bay | Difference |
|---|---|---|---|
| Council rates | $1,617 | $1,617 | - |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $5,620 | $5,741 | -$121 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $1,850 | $2,300 | -$450 |
| Body corporate (unit) | $2,300 | $2,300 | - |
| Total (driving) | $10,635 | $11,206 | -$571 |
| Total (public transport) | $7,415 | $7,865 | -$450 |
Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Gymea | Gymea Bay | Difference |
|---|---|---|---|
| House | $2,342 | $2,342 | - |
| Unit | $1,909 | $1,909 | - |
Estimated from AER residential benchmarks for each suburb's climate zone at 2026-27 regulated prices for each suburb's electricity network, including supply charge (AER Default Market Offer caps, or the QCA price in regional Queensland; unit ≈ 75% of a house). Get the free report for a breakdown by your exact number of occupants.
Cost breakdown chart
Annual cost breakdown — Gymea vs Gymea Bay (2026-27)
What the numbers show
Gymea costs $571 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $6,546 in favour of Gymea.
The biggest single gap is home insurance at $450 per year. Gymea Bay carries medium flood risk, which pushes estimated premiums higher.
On public transport the gap is $450 per year, $7,415 from Gymea versus $7,865 from Gymea Bay.
Where the difference actually comes from
- Council rates is identical at $1,617 a year.
- Water and sewerage is identical at $1,548 a year.
- Driving commute favours Gymea by $121 a year, $5,620 against $5,741.
- Building insurance favours Gymea by $450 a year, $1,850 against $2,300.
Both suburbs sit in the same council area, so the rates line is identical and none of the difference between them comes from council. What separates them is commute distance and the insurance band.
Flood risk is rated medium in Gymea Bay against low in Gymea, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Gymea cumulative | Gymea Bay cumulative | Difference |
|---|---|---|---|
| Year 1 | $10,635 | $11,206 | $571 |
| Year 3 | $32,872 | $34,637 | $1,765 |
| Year 5 | $56,463 | $59,494 | $3,031 |
| Year 10 | $121,918 | $128,464 | $6,546 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Gymea or Gymea Bay cheaper to live in?
Gymea is cheaper to run by car at $10,635 per year versus $11,206 for Gymea Bay, a difference of $571 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Gymea and Gymea Bay?
Annual council rates for a house are $1,617 in Gymea (Sutherland rates (OLG) and $1,617 in Gymea Bay (Sutherland rates (OLG). Water and sewerage adds $1,548 in Gymea and $1,548 in Gymea Bay. 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 Gymea and Gymea Bay?
Annual driving commute costs are $5,620 from Gymea and $5,741 from Gymea Bay to Sydney CBD (ATO 91c/km). Public transport costs $2,400 from Gymea and $2,400 from Gymea Bay.
What is the 10-year cost difference between Gymea and Gymea Bay?
At 3% annual cost growth, Gymea costs a cumulative $121,918 and Gymea Bay costs $128,464 over 10 years by car. The cumulative difference is $6,546 in favour of Gymea. Excludes purchase price, mortgage, and personal expenses.
Which of Gymea and Gymea Bay 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: Sutherland rates (OLG and Sutherland rates (OLG rate data, water utility pricing (QLD: Queensland Urban Utilities / Unitywater; NSW: Sydney Water / Hunter Water), ATO 91c/km, and SuburbCost AI insurance estimates. Data updated July 2026.