Caves Beach vs Swansea Heads, 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 Heads are both Lake Macquarie rates (OLG suburbs, sitting 93.7 km and 96 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Caves Beach runs $300 a year cheaper than Swansea Heads, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $3,440.
Over 10 years the gap between these two is about $3,400, about $7 a week, and most of it is the AI-estimated insurance line.
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Swansea Heads
Annual cost breakdown
| Category | Caves Beach | Swansea Heads | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,763 | $1,763 | - |
| Water & sewerage Official, 2026-27 | $1,377 | $1,377 | - |
| Commute (driving) Modelled, 2026-27 | $4,093 | $4,193 | -$100 |
| Commute (public transport) Modelled, 2026-27 | $2,400 | $2,400 | - |
| Home insurance Estimated | $1,850 | $2,050 | -$200 |
| Body corporate (unit) Estimated | $1,800 | $1,800 | - |
| Total (driving) | $9,083 | $9,383 | -$300 |
| Total (public transport) | $7,390 | $7,590 | -$200 |
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 | Caves Beach | Swansea Heads | 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 Heads (2026-27)
What the numbers show
Caves Beach and Swansea Heads differ by $300 a year by car, but $200 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 $100, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $200 per year. Swansea Heads carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $200 per year, $7,390 from Caves Beach versus $7,590 from Swansea Heads.
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 $100 a year, $4,093 against $4,193.
- Building insurance favours Caves Beach by $200 a year, $1,850 against $2,050.
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 Heads against low in Caves Beach, which feeds the insurance estimate. The catchment state school scores 6.5 in Caves Beach against 5.5 in Swansea Heads, on ACARA's ICSEA percentile scaled to ten.
10-year cumulative cost projection
| Year | Caves Beach cumulative | Swansea Heads cumulative | Difference |
|---|---|---|---|
| Year 1 | $9,083 | $9,383 | $300 |
| Year 3 | $28,075 | $29,002 | $927 |
| Year 5 | $48,223 | $49,816 | $1,593 |
| Year 10 | $104,126 | $107,566 | $3,440 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Caves Beach or Swansea Heads cheaper to live in?
Neither is named cheaper. Caves Beach runs $9,083 a year by car and Swansea Heads $9,383, but most of the $300 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $100. Source: SuburbCost 2026 data.
What are council rates in Caves Beach and Swansea Heads?
Annual council rates for a house are $1,763 in Caves Beach (Lake Macquarie rates (OLG) and $1,763 in Swansea Heads (Lake Macquarie rates (OLG). Water and sewerage adds $1,377 in Caves Beach and $1,377 in Swansea Heads. 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 Heads?
Annual driving commute costs are $4,093 from Caves Beach and $4,193 from Swansea Heads to Sydney CBD (ATO 91c/km). Public transport costs $2,400 from Caves Beach and $2,400 from Swansea Heads.
What is the 10-year cost difference between Caves Beach and Swansea Heads?
At 3% annual cost growth, Caves Beach costs a cumulative $104,126 and Swansea Heads costs $107,566 over 10 years by car. The cumulative difference is $3,440 in favour of Caves Beach. Excludes purchase price, mortgage, and personal expenses.
Which of Caves Beach and Swansea Heads 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.