Frenchs Forest vs Oxford Falls: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Frenchs Forest and Oxford Falls are both Northern Beaches rates (OLG suburbs, sitting 13.3 km and 15.2 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Frenchs Forest runs $827 a year cheaper than Oxford Falls, driven mostly by the commute. Over 10 years at 3% growth that gap compounds to about $9,481.
Over 10 years, Frenchs Forest costs about $9,500 less to run than Oxford Falls — the same as paying $9,500 less for the home. It's the cost no listing shows you.
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Oxford Falls
Annual cost breakdown
| Category | Frenchs Forest | Oxford Falls | Difference |
|---|---|---|---|
| Council rates | $1,766 | $1,766 | - |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $3,875 | $4,302 | -$427 |
| Commute (public transport) | $2,386 | $2,386 | - |
| Home insurance | $2,150 | $2,550 | -$400 |
| Body corporate (unit) | $2,300 | $2,300 | - |
| Total (driving) | $9,339 | $10,166 | -$827 |
| Total (public transport) | $7,850 | $8,250 | -$400 |
Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Frenchs Forest | Oxford Falls | 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 — Frenchs Forest vs Oxford Falls (2026-27)
What the numbers show
Frenchs Forest costs $827 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $9,481 in favour of Frenchs Forest.
The biggest single gap is commute costs at $427 per year. Oxford Falls is 15.2 km from Sydney CBD, which drives higher annual driving costs at the ATO rate of 91c/km.
On public transport the gap is $400 per year, $7,850 from Frenchs Forest versus $8,250 from Oxford Falls.
Where the difference actually comes from
- Council rates is identical at $1,766 a year.
- Water and sewerage is identical at $1,548 a year.
- Driving commute favours Frenchs Forest by $427 a year, $3,875 against $4,302.
- Building insurance favours Frenchs Forest by $400 a year, $2,150 against $2,550.
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 high in Oxford Falls against medium in Frenchs Forest, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Frenchs Forest cumulative | Oxford Falls cumulative | Difference |
|---|---|---|---|
| Year 1 | $9,339 | $10,166 | $827 |
| Year 3 | $28,866 | $31,422 | $2,556 |
| Year 5 | $49,582 | $53,973 | $4,391 |
| Year 10 | $107,061 | $116,542 | $9,481 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Frenchs Forest or Oxford Falls cheaper to live in?
Frenchs Forest is cheaper to run by car at $9,339 per year versus $10,166 for Oxford Falls, a difference of $827 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Frenchs Forest and Oxford Falls?
Annual council rates for a house are $1,766 in Frenchs Forest (Northern Beaches rates (OLG) and $1,766 in Oxford Falls (Northern Beaches rates (OLG). Water and sewerage adds $1,548 in Frenchs Forest and $1,548 in Oxford Falls. 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 Frenchs Forest and Oxford Falls?
Annual driving commute costs are $3,875 from Frenchs Forest and $4,302 from Oxford Falls to Sydney CBD (ATO 91c/km). Public transport costs $2,386 from Frenchs Forest and $2,386 from Oxford Falls.
What is the 10-year cost difference between Frenchs Forest and Oxford Falls?
At 3% annual cost growth, Frenchs Forest costs a cumulative $107,061 and Oxford Falls costs $116,542 over 10 years by car. The cumulative difference is $9,481 in favour of Frenchs Forest. Excludes purchase price, mortgage, and personal expenses.
Which of Frenchs Forest and Oxford Falls 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: Northern Beaches rates (OLG and Northern Beaches 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.