Heckenberg vs Sadleir, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Heckenberg and Sadleir are both Liverpool rates (OLG suburbs, sitting 29.7 km and 29.8 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Heckenberg runs $359 a year cheaper than Sadleir, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $4,116.
Over 10 years the gap between these two is about $4,100, about $8 a week, and most of it is the AI-estimated insurance line.
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Sadleir
Annual cost breakdown
| Category | Heckenberg | Sadleir | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,376 | $1,376 | - |
| Water & sewerage Official, 2026-27 | $1,548 | $1,548 | - |
| Commute (driving) Modelled, 2026-27 | $6,525 | $6,534 | -$9 |
| Commute (public transport) Modelled, 2026-27 | $2,400 | $2,400 | - |
| Home insurance Estimated | $1,600 | $1,950 | -$350 |
| Body corporate (unit) Estimated | $2,100 | $2,100 | - |
| Total (driving) | $11,049 | $11,408 | -$359 |
| Total (public transport) | $6,924 | $7,274 | -$350 |
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 | Heckenberg | Sadleir | Difference |
|---|---|---|---|
| House | $2,720 | $2,720 | - |
| Unit | $2,209 | $2,209 | - |
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, Heckenberg vs Sadleir (2026-27)
What the numbers show
Heckenberg and Sadleir differ by $359 a year by car, but $350 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 $9, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $350 per year. Sadleir carries medium flood risk, which pushes estimated premiums higher.
On public transport the gap is $350 per year, $6,924 from Heckenberg versus $7,274 from Sadleir.
Where the difference actually comes from
- Council rates is identical at $1,376 a year.
- Water and sewerage is identical at $1,548 a year.
- Driving commute favours Heckenberg by $9 a year, $6,525 against $6,534.
- Building insurance favours Heckenberg by $350 a year, $1,600 against $1,950.
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 medium in Sadleir against low in Heckenberg, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Heckenberg cumulative | Sadleir cumulative | Difference |
|---|---|---|---|
| Year 1 | $11,049 | $11,408 | $359 |
| Year 3 | $34,151 | $35,261 | $1,110 |
| Year 5 | $58,661 | $60,567 | $1,906 |
| Year 10 | $126,664 | $130,780 | $4,116 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Heckenberg or Sadleir cheaper to live in?
Neither is named cheaper. Heckenberg runs $11,049 a year by car and Sadleir $11,408, but most of the $359 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $9. Source: SuburbCost 2026 data.
What are council rates in Heckenberg and Sadleir?
Annual council rates for a house are $1,376 in Heckenberg (Liverpool rates (OLG) and $1,376 in Sadleir (Liverpool rates (OLG). Water and sewerage adds $1,548 in Heckenberg and $1,548 in Sadleir. 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 Heckenberg and Sadleir?
Annual driving commute costs are $6,525 from Heckenberg and $6,534 from Sadleir to Sydney CBD (ATO 91c/km). Public transport costs $2,400 from Heckenberg and $2,400 from Sadleir.
What is the 10-year cost difference between Heckenberg and Sadleir?
At 3% annual cost growth, Heckenberg costs a cumulative $126,664 and Sadleir costs $130,780 over 10 years by car. The cumulative difference is $4,116 in favour of Heckenberg. Excludes purchase price, mortgage, and personal expenses.
Which of Heckenberg and Sadleir suits you better?
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Related comparisons
Sources: Liverpool rates (OLG and Liverpool 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.