Potts Hill vs Sefton, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Potts Hill and Sefton are both Canterbury-Bankstown rates (OLG suburbs, sitting 16.8 km and 18.4 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Potts Hill runs $863 a year cheaper than Sefton, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $9,894.
Over 10 years the gap between these two is about $9,900, about $19 a week, and most of it is the AI-estimated insurance line.
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Sefton
Annual cost breakdown
| Category | Potts Hill | Sefton | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,377 | $1,377 | - |
| Water & sewerage Official, 2026-27 | $1,548 | $1,548 | - |
| Commute (driving) Modelled, 2026-27 | $4,638 | $4,951 | -$313 |
| Commute (public transport) Modelled, 2026-27 | $2,386 | $2,386 | - |
| Home insurance Estimated | $1,300 | $1,850 | -$550 |
| Body corporate (unit) Estimated | $2,300 | $2,300 | - |
| Total (driving) | $8,863 | $9,726 | -$863 |
| Total (public transport) | $6,611 | $7,161 | -$550 |
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 | Potts Hill | Sefton | 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, Potts Hill vs Sefton (2026-27)
What the numbers show
Potts Hill and Sefton differ by $863 a year by car, but $550 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 $313, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $550 per year. Sefton carries medium flood risk, which pushes estimated premiums higher.
On public transport the gap is $550 per year, $6,611 from Potts Hill versus $7,161 from Sefton.
Where the difference actually comes from
- Council rates is identical at $1,377 a year.
- Water and sewerage is identical at $1,548 a year.
- Driving commute favours Potts Hill by $313 a year, $4,638 against $4,951.
- Building insurance favours Potts Hill by $550 a year, $1,300 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 medium in Sefton against low in Potts Hill, which feeds the insurance estimate. The catchment state school scores 6.7 in Sefton against 5.2 in Potts Hill, on ACARA's ICSEA percentile scaled to ten.
10-year cumulative cost projection
| Year | Potts Hill cumulative | Sefton cumulative | Difference |
|---|---|---|---|
| Year 1 | $8,863 | $9,726 | $863 |
| Year 3 | $27,395 | $30,062 | $2,667 |
| Year 5 | $47,055 | $51,637 | $4,582 |
| Year 10 | $101,604 | $111,498 | $9,894 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Potts Hill or Sefton cheaper to live in?
Neither is named cheaper. Potts Hill runs $8,863 a year by car and Sefton $9,726, but most of the $863 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $313. Source: SuburbCost 2026 data.
What are council rates in Potts Hill and Sefton?
Annual council rates for a house are $1,377 in Potts Hill (Canterbury-Bankstown rates (OLG) and $1,377 in Sefton (Canterbury-Bankstown rates (OLG). Water and sewerage adds $1,548 in Potts Hill and $1,548 in Sefton. 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 Potts Hill and Sefton?
Annual driving commute costs are $4,638 from Potts Hill and $4,951 from Sefton to Sydney CBD (ATO 91c/km). Public transport costs $2,386 from Potts Hill and $2,386 from Sefton.
What is the 10-year cost difference between Potts Hill and Sefton?
At 3% annual cost growth, Potts Hill costs a cumulative $101,604 and Sefton costs $111,498 over 10 years by car. The cumulative difference is $9,894 in favour of Potts Hill. Excludes purchase price, mortgage, and personal expenses.
Which of Potts Hill and Sefton suits you better?
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Sources: Canterbury-Bankstown rates (OLG and Canterbury-Bankstown 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.