Cardiff vs Cardiff South, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Cardiff and Cardiff South are both Lake Macquarie rates (OLG suburbs, sitting 11.4 km and 10.8 km from Newcastle CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
The two sit within $252 a year of each other to run, so running cost is a minor factor here. The decision comes down to schools, risk and lifestyle, all in the free report.
Over 10 years, Cardiff South costs about $2,900 less to run than Cardiff. That's about $6 a week.
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Cardiff South
Annual cost breakdown
| Category | Cardiff | Cardiff South | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,763 | $1,763 | - |
| Water & sewerage Official, 2026-27 | $1,377 | $1,377 | - |
| Commute (driving) Modelled, 2026-27 | $3,416 | $3,264 | +$152 |
| Commute (public transport) Modelled, 2026-27 | $2,400 | $2,400 | - |
| Home insurance Estimated | $1,400 | $1,300 | +$100 |
| Body corporate (unit) Estimated | $1,800 | $1,800 | - |
| Total (driving) | $7,956 | $7,704 | +$252 |
| Total (public transport) | $6,940 | $6,840 | +$100 |
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 | Cardiff | Cardiff South | 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, Cardiff vs Cardiff South (2026-27)
What the numbers show
Cardiff and Cardiff South cost within $252 of each other annually by car. Over ten years with 3% annual growth the gap reaches roughly $2,889, making running cost a minor factor in the decision.
The biggest single gap is commute costs at $152 per year. Cardiff is 11.4 km from Newcastle CBD, which drives higher annual driving costs at the ATO rate of 91c/km.
On public transport the two suburbs cost almost the same, $6,940 and $6,840 a year, so the $252 driving gap nearly closes if you commute by public transport.
Where the difference actually comes from
- Council rates is identical at $1,763 a year.
- Water and sewerage is identical at $1,377 a year.
- Driving commute favours Cardiff South by $152 a year, $3,264 against $3,416.
- Building insurance favours Cardiff South by $100 a year, $1,300 against $1,400.
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 Cardiff against low in Cardiff South, which feeds the insurance estimate. Fire risk is rated medium in Cardiff South against low in Cardiff, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Cardiff cumulative | Cardiff South cumulative | Difference |
|---|---|---|---|
| Year 1 | $7,956 | $7,704 | $252 |
| Year 3 | $24,591 | $23,812 | $779 |
| Year 5 | $42,239 | $40,902 | $1,337 |
| Year 10 | $91,207 | $88,318 | $2,889 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Cardiff or Cardiff South cheaper to live in?
Cardiff South is cheaper to run by car at $7,704 per year versus $7,956 for Cardiff, a difference of $252 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Cardiff and Cardiff South?
Annual council rates for a house are $1,763 in Cardiff (Lake Macquarie rates (OLG) and $1,763 in Cardiff South (Lake Macquarie rates (OLG). Water and sewerage adds $1,377 in Cardiff and $1,377 in Cardiff South. 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 Cardiff and Cardiff South?
Annual driving commute costs are $3,416 from Cardiff and $3,264 from Cardiff South to Newcastle CBD (ATO 91c/km). Public transport costs $2,400 from Cardiff and $2,400 from Cardiff South.
What is the 10-year cost difference between Cardiff and Cardiff South?
At 3% annual cost growth, Cardiff costs a cumulative $91,207 and Cardiff South costs $88,318 over 10 years by car. The cumulative difference is $2,889 in favour of Cardiff South. Excludes purchase price, mortgage, and personal expenses.
Which of Cardiff and Cardiff South suits you better?
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Sources: Lake Macquarie rates (OLG and Lake Macquarie 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.