South Grafton vs Southampton: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
South Grafton and Southampton are both Clarence Valley rates (OLG suburbs, and are commonly compared by buyers weighing up running costs within the same council area.
The two sit within $0 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.
South Grafton
Southampton
Annual cost breakdown
| Category | South Grafton | Southampton | Difference |
|---|---|---|---|
| Council rates | $1,439 | $1,439 | - |
| Water & sewerage | $1,300 | $1,300 | - |
| Commute (driving) | $18,200 | $18,200 | - |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $3,100 | $3,100 | - |
| Body corporate (unit) | $1,500 | $1,500 | - |
| Total (driving) | $24,039 | $24,039 | - |
| Total (public transport) | $8,239 | $8,239 | - |
Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | South Grafton | Southampton | Difference |
|---|---|---|---|
| House | $2,774 | $2,774 | - |
| Unit | $2,329 | $2,329 | - |
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 — South Grafton vs Southampton (2026-27)
What the numbers show
South Grafton and Southampton cost within $0 of each other annually by car. Over ten years with 3% annual growth the gap reaches roughly $0, making running cost a minor factor in the decision.
The biggest single gap is council rates at $0 per year.
On public transport the two suburbs cost almost the same, $8,239 and $8,239 a year, so the $0 driving gap nearly closes if you commute by public transport.
Where the difference actually comes from
- Council rates is identical at $1,439 a year.
- Water and sewerage is identical at $1,300 a year.
- Driving commute is identical at $18,200 a year.
- Building insurance is identical at $3,100 a year.
Both suburbs sit in the same council area, so the rates line is identical and none of the difference between them comes from council. On these four costs they are identical.
The catchment state school scores 3.6 in South Grafton against 1 in Southampton, on ACARA's ICSEA percentile scaled to ten.
10-year cumulative cost projection
| Year | South Grafton cumulative | Southampton cumulative | Difference |
|---|---|---|---|
| Year 1 | $24,039 | $24,039 | $0 |
| Year 3 | $74,302 | $74,302 | $0 |
| Year 5 | $127,626 | $127,626 | $0 |
| Year 10 | $275,580 | $275,580 | $0 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is South Grafton or Southampton cheaper to live in?
South Grafton is cheaper to run by car at $24,039 per year versus $24,039 for Southampton, a difference of $0 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in South Grafton and Southampton?
Annual council rates for a house are $1,439 in South Grafton (Clarence Valley rates (OLG) and $1,439 in Southampton (Clarence Valley rates (OLG). Water and sewerage adds $1,300 in South Grafton and $1,300 in Southampton. 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 South Grafton and Southampton?
South Grafton carries a flat regional driving allowance of $18,200, about 20,000 km of household driving a year, because it is more than 100 km from Sydney CBD. Southampton carries a flat regional driving allowance of $18,200, about 20,000 km of household driving a year, because it is more than 100 km from Sydney CBD. Public transport costs $2,400 from South Grafton and $2,400 from Southampton.
What is the 10-year cost difference between South Grafton and Southampton?
At 3% annual cost growth, South Grafton costs a cumulative $275,580 and Southampton costs $275,580 over 10 years by car. The cumulative difference is $0 in favour of South Grafton. Excludes purchase price, mortgage, and personal expenses.
Which of South Grafton and Southampton 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: Clarence Valley rates (OLG and Clarence Valley 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.