Caves Beach vs Swansea: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Caves Beach and Swansea are both Lake Macquarie rates (OLG suburbs, sitting 93.7 km and 94.5 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Caves Beach runs $335 a year cheaper than Swansea, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $3,841.
Over 10 years these two cost about the same to run. The difference here isn't money — it's location, schools and lifestyle.
Get the free report: 10-year costs, flood & fire risk, crime, schools and overall verdict →Caves Beach
Swansea
Annual cost breakdown
| Category | Caves Beach | Swansea | Difference |
|---|---|---|---|
| Council rates | $1,763 | $1,763 | - |
| Water & sewerage | $1,377 | $1,377 | - |
| Commute (driving) | $4,093 | $4,128 | -$35 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,800 | $3,100 | -$300 |
| Body corporate (unit) | $1,800 | $1,800 | - |
| Total (driving) | $10,033 | $10,368 | -$335 |
| Total (public transport) | $8,340 | $8,640 | -$300 |
Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Caves Beach | Swansea | 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 — Caves Beach vs Swansea (2026-27)
What the numbers show
Caves Beach costs $335 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $3,841 in favour of Caves Beach.
The biggest single gap is home insurance at $300 per year. Swansea carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $300 per year, $8,340 from Caves Beach versus $8,640 from Swansea.
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 Caves Beach by $35 a year, $4,093 against $4,128.
- Building insurance favours Caves Beach by $300 a year, $2,800 against $3,100.
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.
Fire risk is rated medium in Swansea against low in Caves Beach, which feeds the insurance estimate. The catchment state school scores 6.5 in Caves Beach against 4.1 in Swansea, on ACARA's ICSEA percentile scaled to ten.
10-year cumulative cost projection
| Year | Caves Beach cumulative | Swansea cumulative | Difference |
|---|---|---|---|
| Year 1 | $10,033 | $10,368 | $335 |
| Year 3 | $31,011 | $32,046 | $1,035 |
| Year 5 | $53,267 | $55,045 | $1,778 |
| Year 10 | $115,017 | $118,858 | $3,841 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Caves Beach or Swansea cheaper to live in?
Caves Beach is cheaper to run by car at $10,033 per year versus $10,368 for Swansea, a difference of $335 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Caves Beach and Swansea?
Annual council rates for a house are $1,763 in Caves Beach (Lake Macquarie rates (OLG) and $1,763 in Swansea (Lake Macquarie rates (OLG). Water and sewerage adds $1,377 in Caves Beach and $1,377 in Swansea. 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 Caves Beach and Swansea?
Annual driving commute costs are $4,093 from Caves Beach and $4,128 from Swansea to Sydney CBD (ATO 91c/km). Public transport costs $2,400 from Caves Beach and $2,400 from Swansea.
What is the 10-year cost difference between Caves Beach and Swansea?
At 3% annual cost growth, Caves Beach costs a cumulative $115,017 and Swansea costs $118,858 over 10 years by car. The cumulative difference is $3,841 in favour of Caves Beach. Excludes purchase price, mortgage, and personal expenses.
Which of Caves Beach and Swansea 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.
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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 AI insurance estimates. Data updated July 2026.