Berowra Heights vs Cowan, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Berowra Heights and Cowan are both Hornsby rates (OLG suburbs, sitting 30.6 km and 34.8 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Berowra Heights runs $568 a year cheaper than Cowan, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $6,512.
Over 10 years the gap between these two is about $6,500, about $13 a week, and most of it is the AI-estimated insurance line.
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Cowan
Annual cost breakdown
| Category | Berowra Heights | Cowan | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,541 | $1,541 | - |
| Water & sewerage Official, 2026-27 | $1,548 | $1,548 | - |
| Commute (driving) Modelled, 2026-27 | $6,603 | $6,871 | -$268 |
| Commute (public transport) Modelled, 2026-27 | $2,400 | $2,400 | - |
| Home insurance Estimated | $1,850 | $2,150 | -$300 |
| Body corporate (unit) Estimated | $2,100 | $2,100 | - |
| Total (driving) | $11,542 | $12,110 | -$568 |
| Total (public transport) | $7,339 | $7,639 | -$300 |
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 | Berowra Heights | Cowan | 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, Berowra Heights vs Cowan (2026-27)
What the numbers show
Berowra Heights and Cowan differ by $568 a year by car, but $300 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 $268, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $300 per year. Cowan carries medium flood risk, which pushes estimated premiums higher.
On public transport the gap is $300 per year, $7,339 from Berowra Heights versus $7,639 from Cowan.
Where the difference actually comes from
- Council rates is identical at $1,541 a year.
- Water and sewerage is identical at $1,548 a year.
- Driving commute favours Berowra Heights by $268 a year, $6,603 against $6,871.
- Building insurance favours Berowra Heights by $300 a year, $1,850 against $2,150.
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.
Flood risk is rated medium in Cowan against low in Berowra Heights, which feeds the insurance estimate. The catchment state school scores 8.6 in Berowra Heights against 7.6 in Cowan, on ACARA's ICSEA percentile scaled to ten.
10-year cumulative cost projection
| Year | Berowra Heights cumulative | Cowan cumulative | Difference |
|---|---|---|---|
| Year 1 | $11,542 | $12,110 | $568 |
| Year 3 | $35,675 | $37,431 | $1,756 |
| Year 5 | $61,278 | $64,294 | $3,016 |
| Year 10 | $132,316 | $138,828 | $6,512 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Berowra Heights or Cowan cheaper to live in?
Neither is named cheaper. Berowra Heights runs $11,542 a year by car and Cowan $12,110, but most of the $568 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $268. Source: SuburbCost 2026 data.
What are council rates in Berowra Heights and Cowan?
Annual council rates for a house are $1,541 in Berowra Heights (Hornsby rates (OLG) and $1,541 in Cowan (Hornsby rates (OLG). Water and sewerage adds $1,548 in Berowra Heights and $1,548 in Cowan. 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 Berowra Heights and Cowan?
Annual driving commute costs are $6,603 from Berowra Heights and $6,871 from Cowan to Sydney CBD (ATO 91c/km). Public transport costs $2,400 from Berowra Heights and $2,400 from Cowan.
What is the 10-year cost difference between Berowra Heights and Cowan?
At 3% annual cost growth, Berowra Heights costs a cumulative $132,316 and Cowan costs $138,828 over 10 years by car. The cumulative difference is $6,512 in favour of Berowra Heights. Excludes purchase price, mortgage, and personal expenses.
Which of Berowra Heights and Cowan suits you better?
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Sources: Hornsby rates (OLG and Hornsby 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.