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 $788 a year cheaper than Kogarah Bay, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $9,034.
Over 10 years the gap between these two is about $9,000, about $17 a week, and most of it is the AI-estimated insurance line.
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Kogarah Bay
Annual cost breakdown
| Category | Allawah | Kogarah Bay | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,447 | $1,447 | - |
| Water & sewerage Official, 2026-27 | $1,548 | $1,548 | - |
| Commute (driving) Modelled, 2026-27 | $4,149 | $4,237 | -$88 |
| Commute (public transport) Modelled, 2026-27 | $2,386 | $2,386 | - |
| Home insurance Estimated | $1,150 | $1,850 | -$700 |
| Body corporate (unit) Estimated | $2,300 | $2,300 | - |
| Total (driving) | $8,294 | $9,082 | -$788 |
| Total (public transport) | $6,531 | $7,231 | -$700 |
Totals exclude electricity, estimated separately below. Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance estimated from ACCC premium rates; 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 and Kogarah Bay differ by $788 a year by car, but $700 of that is the building insurance estimate rather than a published figure. On the sourced costs, council rates, water and the commute, the gap is $88, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $700 per year. Kogarah Bay carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $700 per year, $6,531 from Allawah versus $7,231 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 $700 a year, $1,150 against $1,850.
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 | $8,294 | $9,082 | $788 |
| Year 3 | $25,636 | $28,072 | $2,436 |
| Year 5 | $44,034 | $48,218 | $4,184 |
| Year 10 | $95,081 | $104,115 | $9,034 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Allawah or Kogarah Bay cheaper to live in?
Neither is named cheaper. Allawah runs $8,294 a year by car and Kogarah Bay $9,082, but most of the $788 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $88. 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 $95,081 and Kogarah Bay costs $104,115 over 10 years by car. The cumulative difference is $9,034 in favour of Allawah. Excludes purchase price, mortgage, and personal expenses.
Which of Allawah and Kogarah Bay suits you better?
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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 insurance estimates from ACCC premium rates. Data updated July 2026.