Caves Beach vs Swansea: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/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 $334 a year cheaper than Swansea, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $3,829.
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) | $3,958 | $3,992 | -$34 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,800 | $3,100 | -$300 |
| Body corporate (unit) | $1,800 | $1,800 | - |
| Total (driving) | $9,898 | $10,232 | -$334 |
| Total (public transport) | $8,340 | $8,640 | -$300 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Caves Beach | Swansea | Difference |
|---|---|---|---|
| House | $2,148 | $2,148 | - |
| Unit | $1,716 | $1,716 | - |
Estimated from AER residential benchmarks for each suburb's climate zone at 2025 rates (QLD 30c/kWh, NSW 33c/kWh incl. supply charge; 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 $334 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $3,829 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.
10-year cumulative cost projection
| Year | Caves Beach cumulative | Swansea cumulative | Difference |
|---|---|---|---|
| Year 1 | $9,898 | $10,232 | $334 |
| Year 3 | $30,594 | $31,626 | $1,032 |
| Year 5 | $52,550 | $54,323 | $1,773 |
| Year 10 | $113,469 | $117,298 | $3,829 |
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 $9,898 per year versus $10,232 for Swansea, a difference of $334 annually. Figures cover council rates, water, commute (ATO 88c/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 $3,958 from Caves Beach and $3,992 from Swansea to Sydney CBD (ATO 88c/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 $113,469 and Swansea costs $117,298 over 10 years by car. The cumulative difference is $3,829 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.
Related comparisons
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 88c/km, and SuburbCost AI insurance estimates. Data updated July 2026.