Rose Valley vs Saddleback Mountain: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Rose Valley and Saddleback Mountain are both Kiama rates (OLG suburbs, sitting 100.6 km and 99.6 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Saddleback Mountain runs $14,243 a year cheaper than Rose Valley, driven mostly by the commute. Over 10 years at 3% growth that gap compounds to about $163,280.
Over 10 years, Saddleback Mountain costs about $163,300 less to run than Rose Valley — the same as paying $163,300 less for the home. It's the cost no listing shows you.
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Saddleback Mountain
Annual cost breakdown
| Category | Rose Valley | Saddleback Mountain | Difference |
|---|---|---|---|
| Council rates | $1,959 | $1,959 | - |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $17,600 | $4,207 | +$13,393 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,850 | $2,000 | +$850 |
| Body corporate (unit) | $1,800 | $1,800 | - |
| Total (driving) | $23,957 | $9,714 | +$14,243 |
| Total (public transport) | $8,757 | $7,907 | +$850 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Rose Valley | Saddleback Mountain | 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 — Rose Valley vs Saddleback Mountain (2026-27)
What the numbers show
Saddleback Mountain costs $14,243 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $163,280 in favour of Saddleback Mountain.
The biggest single gap is commute costs at $13,393 per year. Rose Valley is 100.6 km from Sydney CBD, which drives higher annual driving costs at the ATO rate of 88c/km.
On public transport the gap is $850 per year, $8,757 from Rose Valley versus $7,907 from Saddleback Mountain.
10-year cumulative cost projection
| Year | Rose Valley cumulative | Saddleback Mountain cumulative | Difference |
|---|---|---|---|
| Year 1 | $23,957 | $9,714 | $14,243 |
| Year 3 | $74,049 | $30,025 | $44,024 |
| Year 5 | $127,191 | $51,573 | $75,618 |
| Year 10 | $274,640 | $111,360 | $163,280 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Rose Valley or Saddleback Mountain cheaper to live in?
Saddleback Mountain is cheaper to run by car at $9,714 per year versus $23,957 for Rose Valley, a difference of $14,243 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Rose Valley and Saddleback Mountain?
Annual council rates for a house are $1,959 in Rose Valley (Kiama rates (OLG) and $1,959 in Saddleback Mountain (Kiama rates (OLG). Water and sewerage adds $1,548 in Rose Valley and $1,548 in Saddleback Mountain. 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 Rose Valley and Saddleback Mountain?
Annual driving commute costs are $17,600 from Rose Valley and $4,207 from Saddleback Mountain to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Rose Valley and $2,400 from Saddleback Mountain.
What is the 10-year cost difference between Rose Valley and Saddleback Mountain?
At 3% annual cost growth, Rose Valley costs a cumulative $274,640 and Saddleback Mountain costs $111,360 over 10 years by car. The cumulative difference is $163,280 in favour of Saddleback Mountain. Excludes purchase price, mortgage, and personal expenses.
Which of Rose Valley and Saddleback Mountain 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: Kiama rates (OLG and Kiama 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.