Allawah vs Kogarah 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
Allawah and Kogarah Bay are both Georges River rates (OLG suburbs, sitting 14.5 km and 14.9 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Allawah runs $1,188 a year cheaper than Kogarah Bay, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $13,619.
Over 10 years, Allawah costs about $13,600 less to run than Kogarah Bay — the same as paying $13,600 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 →Allawah
Kogarah Bay
Annual cost breakdown
| Category | Allawah | Kogarah Bay | Difference |
|---|---|---|---|
| Council rates | $1,447 | $1,447 | - |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $4,149 | $4,237 | -$88 |
| Commute (public transport) | $2,386 | $2,386 | - |
| Home insurance | $1,850 | $2,950 | -$1,100 |
| Body corporate (unit) | $2,300 | $2,300 | - |
| Total (driving) | $8,994 | $10,182 | -$1,188 |
| Total (public transport) | $7,231 | $8,331 | -$1,100 |
Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Allawah | Kogarah 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 — Allawah vs Kogarah Bay (2026-27)
What the numbers show
Allawah costs $1,188 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $13,619 in favour of Allawah.
The biggest single gap is home insurance at $1,100 per year. Kogarah Bay carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $1,100 per year, $7,231 from Allawah versus $8,331 from Kogarah Bay.
Where the difference actually comes from
- Council rates is identical at $1,447 a year.
- Water and sewerage is identical at $1,548 a year.
- Driving commute favours Allawah by $88 a year, $4,149 against $4,237.
- Building insurance favours Allawah by $1,100 a year, $1,850 against $2,950.
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 high in Kogarah Bay against low in Allawah, which feeds the insurance estimate. The catchment state school scores 8.6 in Allawah against 7.2 in Kogarah Bay, on ACARA's ICSEA percentile scaled to ten.
10-year cumulative cost projection
| Year | Allawah cumulative | Kogarah Bay cumulative | Difference |
|---|---|---|---|
| Year 1 | $8,994 | $10,182 | $1,188 |
| Year 3 | $27,800 | $31,472 | $3,672 |
| Year 5 | $47,750 | $54,058 | $6,308 |
| Year 10 | $103,106 | $116,725 | $13,619 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Allawah or Kogarah Bay cheaper to live in?
Allawah is cheaper to run by car at $8,994 per year versus $10,182 for Kogarah Bay, a difference of $1,188 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Allawah and Kogarah Bay?
Annual council rates for a house are $1,447 in Allawah (Georges River rates (OLG) and $1,447 in Kogarah Bay (Georges River rates (OLG). Water and sewerage adds $1,548 in Allawah and $1,548 in Kogarah 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 Allawah and Kogarah Bay?
Annual driving commute costs are $4,149 from Allawah and $4,237 from Kogarah Bay to Sydney CBD (ATO 91c/km). Public transport costs $2,386 from Allawah and $2,386 from Kogarah Bay.
What is the 10-year cost difference between Allawah and Kogarah Bay?
At 3% annual cost growth, Allawah costs a cumulative $103,106 and Kogarah Bay costs $116,725 over 10 years by car. The cumulative difference is $13,619 in favour of Allawah. Excludes purchase price, mortgage, and personal expenses.
Which of Allawah and Kogarah 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: Georges River rates (OLG and Georges River 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.